Debian update for linux

1) Race condition

EUVDB-ID: #VU12339

Risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2015-9016

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

The vulnerability allows a local attacker to gain elevated privileges on the target system.

The weakness exists in blk_mq_tag_to_rq in blk-mq.c due to race condition when a request has been previously freed by blk_mq_complete_request. A local attacker can trigger use-after-free error and gain root privileges.

Update the affected package to version: 3.16.56-1

Debian Linux: All versions

http://github.com/torvalds/linux/commit/0048b4837affd153897ed1222283492070027aa9

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Use-after-free

EUVDB-ID: #VU9961

Risk: Low

CVSSv3.1: 5.7 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2017-0861

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

The vulnerability allows a local user to perform a denial of service attack.

The vulnerability exists due to a use-after-free error in snd_pcm_info() function in the ALSA subsystem.  A local user can perform a denial of service attack.

Update the affected package to version: 3.16.56-1

Debian Linux: All versions

http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.6
http://www.openwall.com/lists/oss-security/2017/12/04/2
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.69
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.4.106

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

3) Information disclosure

EUVDB-ID: #VU9883

Risk: Low

CVSSv3.1: 5 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:P/RL:O/RC:C]

CVE-ID: CVE-2017-5715

CWE-ID: CWE-200 - Information exposure

Exploit availability: Yes

The vulnerability allows a local attacker to obtain potentially sensitive information.

The vulnerability exists in Intel CPU hardware due to improper implementation of the speculative execution of instructions. A local attacker can utilize branch target injection, execute arbitrary code, perform a side-channel attack and read sensitive memory information.

Update the affected package to version: 3.16.56-1

Debian Linux: All versions

http://newsroom.intel.com/news/intel-responds-to-security-research-findings/

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.

4) Information disclosure

EUVDB-ID: #VU9884

Risk: Low

CVSSv3.1: 6.2 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N/E:H/RL:O/RC:C]

CVE-ID: CVE-2017-5753

CWE-ID: CWE-200 - Information exposure

Exploit availability: Yes

The vulnerability allows a local attacker to obtain potentially sensitive information.

The vulnerability exists in Intel CPU hardware due to improper implementation of the speculative execution of instructions. A local attacker can perform a bounds check bypass, execute arbitrary code, conduct a side-channel attack and read sensitive memory information.

Update the affected package to version: 3.16.56-1

Debian Linux: All versions

http://01.org/security/advisories/intel-oss-10002

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

Yes. This vulnerability is being exploited in the wild.

5) Privilege escalation

EUVDB-ID: #VU10345

Risk: Low

CVSSv3.1: 7.7 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2017-13166

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

The vulnerability allows a local attacker to gain elevated privileges on the target system.

The weakness exists in the V4L2 video driver component of the Google Android kernel due to insufficient validation of user-supplied input. A local attacker can use a specially crafted application and execute arbitrary code with elevated privileges.

Successful exploitation of the vulnerability may result in system compromise.

Update the affected package to version: 3.16.56-1

Debian Linux: All versions

http://source.android.com/security/bulletin/pixel/2017-12-01#asterisk

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

6) Out-of-bounds write

EUVDB-ID: #VU12340

Risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2017-13220

CWE-ID: CWE-787 - Out-of-bounds write

Exploit availability: No

The vulnerability allows a local attacker to gain elevated privileges on the target system.

The weakness exists in the Upstream kernel bluez due to put-of-bounds access. A local attacker can trigger memory corruption and gain root privileges.

Successful exploitation of the vulnerability may result in system compromise.

Update the affected package to version: 3.16.56-1

Debian Linux: All versions

http://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=51bda2bca53b265715ca18...

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

7) Denial of service

EUVDB-ID: #VU9152

Risk: Low

CVSSv3.1: 5.7 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2017-16526

CWE-ID: CWE-284 - Improper Access Control

Exploit availability: No

The vulnerability allows a local attacker to cause DoS condition on the target system.

The weakness exists due to a flaw in drivers/uwb/uwbd.c. A local attacker can use a specially crafted USB device and cause the system to crash.

Successful exploitation of the vulnerability results in denial of service.

Update the affected package to version: 3.16.56-1

Debian Linux: All versions

http://github.com/torvalds/linux/commit/bbf26183b7a6236ba602f4d6a2f7cade35bba043

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

8) Information disclosure

EUVDB-ID: #VU10628

Risk: Low

CVSSv3.1: 2.9 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2017-16911

CWE-ID: CWE-200 - Information exposure

Exploit availability: No

The vulnerability allows a local attacker to obtain potentially sensitive information.

The vulnerability exists n the vhci_hcd driver due to insufficient security restrictions. A local attacker with a USB device attached over IP can use the affected driver to bypass security restrictions and access sensitive information, such as kernel memory addresses on the targeted system.

Update the affected package to version: 3.16.56-1

Debian Linux: All versions

http://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git/commit/drivers/usb/usbip?id=...

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

9) Out-of-bounds read

EUVDB-ID: #VU11311

Risk: Low

CVSSv3.1: 5.7 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2017-16912

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

The vulnerability allows a local attacker to cause DoS condition on the target system.

The weakness exists in the "get_pipe()" function (drivers/usb/usbip/stub_rx.c) due to out-of-bounds read. A local attacker can supply specially crafted USB over IP packet, trigger memory corruption and cause the service to crash.

Update the affected package to version: 3.16.56-1

Debian Linux: All versions

http://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git/commit/drivers/usb/usbip?id=...

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

10) Memory corruption

EUVDB-ID: #VU11312

Risk: Low

CVSSv3.1: 5.7 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2017-16913

CWE-ID: CWE-125 - Out-of-bounds read

Exploit availability: No

The vulnerability allows a local attacker to cause DoS condition on the target system.

The weakness exists in the "stub_recv_cmd_submit()" function (drivers/usb/usbip/stub_rx.c) due to boundary error when handling CMD_SUBMIT packets. A local attacker can supply specially crafted USB over IP packet, trigger memory corruption and cause the service to crash.

Update the affected package to version: 3.16.56-1

Debian Linux: All versions

http://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git/commit/drivers/usb/usbip?id=...

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

11) NULL pointer dereference

EUVDB-ID: #VU11456

Risk: Medium

CVSSv3.1: 7.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2017-16914

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: No

The vulnerability allows a remote attacker to cause DoS condition on the targtt system.

The weakness exists in the "stub_send_ret_submit()" function due to NULL pointer dereference. A remote attacker can cause the service to crash.

Update the affected package to version: 3.16.56-1

Debian Linux: All versions

http://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git/commit/drivers/usb/usbip?id=...

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

12) Use-after-free error

EUVDB-ID: #VU10678

Risk: Medium

CVSSv3.1: 7.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2017-18017

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

The vulnerability allows a remote attacker to cause DoS condition no the target system.

The weakness exists in the tcpmss_mangle_packet function in net/netfilter/xt_TCPMSS.c in the Linux kernel due to use-after-free error. A remote attacker can leverage the presence of xt_TCPMSS in an iptables action, trigger memory corruption and cause the system to crash.

Update the affected package to version: 3.16.56-1

Debian Linux: All versions

http://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=2638fd0f92d4397884fd99...

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

13) Race condition

EUVDB-ID: #VU11190

Risk: Low

CVSSv3.1: 5.7 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2017-18203

CWE-ID: CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

Exploit availability: No

The vulnerability allows a local attacker to cause DoS condition on the target system.

The weakness exists in the dm_get_from_kobject function due to race condition. A local attacker can cause the service to crash.

Update the affected package to version: 3.16.56-1

Debian Linux: All versions

http://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=b9a41d21dceadf81048126...

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

14) NULL pointer dereference

EUVDB-ID: #VU11299

Risk: Low

CVSSv3.1: 5.7 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2017-18216

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: No

The vulnerability allows a local attacker to cause DoS condition on the target system.

The weakness exists due to the affected software does not use the subsystem.su_mutex component while accessing an item->ci_parent. A local attacker can trigger NULL pointer dereference in in the fs/ocfs2/cluster/nodemanager.c source code file cause the service to crash.

Update the affected package to version: 3.16.56-1

Debian Linux: All versions

http://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=853bc26a7ea39e354b9f88...

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

15) Error handling

EUVDB-ID: #VU12157

Risk: Low

CVSSv3.1: 5.7 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2017-18232

CWE-ID: CWE-388 - Error Handling

Exploit availability: No

The vulnerability allows a local attacker to cause DoS condition on the target system.

The weakness exists in the Serial Attached SCSI (SAS) implementation due to mishandling of a mutex within libsas. A local attacker can trigger certain error-handling code and cause the service to crash.

Update the affected package to version: 3.16.56-1

Debian Linux: All versions

http://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=0558f33c06bb910e2879e3...

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

16) NULL pointer dereference

EUVDB-ID: #VU11264

Risk: Low

CVSSv3.1: 5.7 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2017-18241

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: No

The vulnerability allows a local attacker to cause DoS condition on the target system.

The weakness exists in the fs/f2fs/segment.c source code file due to the use of the noflush_merge option, which could trigger a NULL value for a flush_cmd_control data structure. A local attacker can trigger NULL pointer dereference and kernel panic and cause the service to crash.

Update the affected package to version: 3.16.56-1

Debian Linux: All versions

http://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=d4fdf8ba0e5808ba9ad6b4...

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

17) NULL pointer dereference

EUVDB-ID: #VU11191

Risk: Medium

CVSSv3.1: 7.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-1066

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: No

The vulnerability allows a remote unauthenticated attacker to cause DoS condition on the target system.

The weakness exists in the fs/cifs/cifsencrypt.c:setup_ntlmv2_rsp() function due to NULL pointer dereference. A remote attacker can cause the service to crash.

Update the affected package to version: 3.16.56-1

Debian Linux: All versions

http://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=cabfb3680f78981d26c078...

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

18) Privilege escalation

EUVDB-ID: #VU11145

Risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-1068

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

The vulnerability allows a local attacker to gain elevated privileges on the target system.

The weakness exists due to an error in the implementation of 32 bit syscall interface. A local attacker can gain root privileges.

Update the affected package to version: 3.16.56-1

Debian Linux: All versions

http://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=b71812168571fa55e44cdd...

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

19) NULL pointer dereference

EUVDB-ID: #VU11518

Risk: Low

CVSSv3.1: 5.9 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H/E:P/RL:O/RC:C]

CVE-ID: CVE-2018-1092

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: No

The vulnerability allows a local attacker to cause DoS condition on the target system.

The weakness exists due to improper processing of a customized ext4 image when using the ext4_iget function, as defined in the fs/ext4/inode.c source code file. A local attacker can mount a customized ext4 image, trigger NULL pointer dereference and an Out-of-Process Space (OOPS) kernel memory error and cause the service to crash.

Update the affected package to version: 3.16.56-1

Debian Linux: All versions

http://bugzilla.kernel.org/show_bug.cgi?id=199179

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.

20) Heap out-of-bounds write

EUVDB-ID: #VU10002

Risk: Low

CVSSv3.1: 5.7 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-5332

CWE-ID: CWE-787 - Out-of-bounds write

Exploit availability: No

The vulnerability allows a local attacker to  cause DoS condition on the target system.

The weakness exists in the rds_message_alloc_sgs() function due to improper validation of DMA page allocation values. A local attacker can trigger a heap-based out-of-bounds write and cause the system to crash.

Update the affected package to version: 3.16.56-1

Debian Linux: All versions

http://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c095508770aebf1b9218e7...

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

21) Null pointer dereference

EUVDB-ID: #VU10001

Risk: Medium

CVSSv3.1: 8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H/E:F/RL:O/RC:C]

CVE-ID: CVE-2018-5333

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: Yes

The vulnerability allows a remote attacker to cause DoS condition on the target system.

The weakness exists in the rds_cmsg_atomic function due to insufficient handling of user-supplied input. A remote attacker can send a specially crafted HTTP request, trigger NULL pointer dereference and cause the system to crash.

Update the affected package to version: 3.16.56-1

Debian Linux: All versions

http://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=7d11f77f84b27cef452cee...

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, a fully functional exploit for this vulnerability is available.

22) Privilege escalation

EUVDB-ID: #VU10362

Risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-5750

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

The vulnerability allows a local attacker to gain elevated privileges on the target system.

The weakness exists due to a flaw in the acpi_smbus_hc_add() function in 'drivers/acpi/sbshc.c'. A local attacker can submit a specially crafted SBS HC printk system call to obtain potentially sensitive address information and potentially bypass kernel address space layout randomization (KASLR) security protection.

Update the affected package to version: 3.16.56-1

Debian Linux: All versions

http://patchwork.kernel.org/patch/10174835/

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

23) Memory corruption

EUVDB-ID: #VU10812

Risk: Low

CVSSv3.1: 6.2 [CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-5803

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

The vulnerability allows a local attacker to cause DoS condition on the target system.

The weakness exists in the _sctp_make_chunk() function due to boundary error. A local attacker can submit a crafted SCTP packet, trigger memory corruption and cause the service to crash.

Update the affected package to version: 3.16.56-1

Debian Linux: All versions

http://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/patch/?id=07f2c7ab6f8d0a7e7c5764c...

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

24) Integer overflow

EUVDB-ID: #VU11182

Risk: Low

CVSSv3.1: 5.7 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-6927

CWE-ID: CWE-190 - Integer overflow

Exploit availability: No

The vulnerability allows a local attacker to cause DoS condition on the target system.

The weakness exists in the futex_requeue function due to integer overflow. A local attacker can trigger a negative wake or requeue value and cause the service to crash.

Update the affected package to version: 3.16.56-1

Debian Linux: All versions

http://github.com/torvalds/linux/commit/fbe0e839d1e22d88810f3ee3e2f1479be4c0aa4a

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

25) NULL pointer dereference

EUVDB-ID: #VU10781

Risk: Low

CVSSv3.1: 5.7 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-7492

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: No

The vulnerability allows a local attacker to cause DoS condition on the target system.

The vulnerability exists due to a NULL pointer dereference in the net/rds/rdma.c __rds_rdma_map() function. A local attacker can cause the system to crash.

Update the affected package to version: 3.16.56-1

Debian Linux: All versions

http://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f3069c6d33f6ae63a16687...

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

26) Memory corruption

EUVDB-ID: #VU11458

Risk: Low

CVSSv3.1: 2.9 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-7566

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

The vulnerability allows a local attacker to write arbitrary files on the target system.

The weakness exists due to out-of-bounds write while ALSA sequencer core initializes the event pool on demand by invoking snd_seq_pool_init() when the first write happens and the pool is empty. A local attacker can trigger buffer overflow and use after free and reset the pool size manually via ioctl concurrently and write arbitrary files.

Update the affected package to version: 3.16.56-1

Debian Linux: All versions

http://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=d15d662e89fc667b90cd29...

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

27) Memory corruption

EUVDB-ID: #VU10922

Risk: Low

CVSSv3.1: 6.2 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H/E:P/RL:U/RC:C]

CVE-ID: CVE-2018-7740

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

The vulnerability allows a local attacker to cause DoS condition no the target system.

The weakness exists in the resv_map_release function due to boundary error when handling user-supplied input. A local attacker can execute an application that submits malicious input, trigger memory corruption and cause the system to crash.

Update the affected package to version: 3.16.56-1

Debian Linux: All versions

http://bugzilla.kernel.org/show_bug.cgi?id=199037

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.

28) Memory leak

EUVDB-ID: #VU10927

Risk: Low

CVSSv3.1: 5.7 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-7757

CWE-ID: CWE-401 - Missing release of memory after effective lifetime

Exploit availability: No

The vulnerability allows a local attacker to cause DoS condition on the target system.

The weakness exists in the drivers/scsi/libsas/sas_expander.c source code in the sas_smp_get_phy_events function due to memory leak. A local attacker can trigger memory corruption and cause the system to crash.

Update the affected package to version: 3.16.56-1

Debian Linux: All versions

http://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=4a491b1ab11ca0556d2fda...

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

29) Race condition

EUVDB-ID: #VU10950

Risk: Low

CVSSv3.1: 3.5 [CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-7995

CWE-ID: CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

Exploit availability: No

The vulnerability allows a local attacker to cause DoS condition on the target system.

The weakness exists in the arch/x86/kernel/cpu/mcheck/mce.c source code due to race condition. A local attacker can trigger memory corruption and cause the service to crash.

Update the affected package to version: 3.16.56-1

Debian Linux: All versions

http://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?id=b3b7c4795ccab5be71f080774c45b...

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

30) Integer overflow

EUVDB-ID: #VU12338

Risk: Low

CVSSv3.1: 7.9 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:P/RL:O/RC:C]

CVE-ID: CVE-2018-8781

CWE-ID: CWE-190 - Integer overflow

Exploit availability: Yes

The vulnerability allows a local attacker to gain elevated privileges on the target system.

The weakness exists in the udl_fb_mmap function in drivers/gpu/drm/udl/udl_fb.c due to integer overflow. A local attacker can gain full read and write permissions on kernel physical pages and execute arbitrary code.

Successful exploitation of the vulnerability may result in system compromise.

Update the affected package to version: 3.16.56-1

Debian Linux: All versions

http://patchwork.freedesktop.org/patch/211845/

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.

31) Privilege escalation

EUVDB-ID: #VU11228

Risk: Low

CVSSv3.1: 7.7 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-8822

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

The vulnerability allows a local attacker to gain elevated privileges on the target system.

The weakness exists in the ncp_read_kernel function due to incorrect buffer length handling. A local attacker can submit specially crafted data from a malicious NCPFS server, trigger memory corruption and execute arbitrary code with root privileges.

Update the affected package to version: 3.16.56-1

Debian Linux: All versions

http://www.mail-archive.com/netdev@vger.kernel.org/msg223373.html

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

32) Race condition

EUVDB-ID: #VU10679

Risk: Medium

CVSSv3.1: 7.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-1000004

CWE-ID: CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

Exploit availability: No

The vulnerability allows a remote attacker to cause DoS condition on the target system.

The weakness exists due to race condition in the sound system. A remote attacker can trigger deadlock and cause the system to crash.

Update the affected package to version: 3.16.56-1

Debian Linux: All versions

http://github.com/torvalds/linux/commit/b3defb791b26ea0683a93a4f49c77ec45ec96f10

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

33) Error handling

EUVDB-ID: #VU12337

Risk: Low

CVSSv3.1: 5.7 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-1000199

CWE-ID: CWE-388 - Error Handling

Exploit availability: No

The vulnerability allows a local attacker to cause DoS condition on the target system.

The weakness exists in the modify_user_hw_breakpoint() function due to error handling flaw. A local attacker can cause the service to crash.

Update the affected package to version: 3.16.56-1

Debian Linux: All versions

http://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f67b15037a7a50c57f72e69a6d59941ad90a0f0f

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.