SUSE Linux update for the Linux Kernel
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 11 |
| CVE-ID | CVE-2017-0861 CVE-2017-11089 CVE-2017-13220 CVE-2017-18203 CVE-2018-10087 CVE-2018-10124 CVE-2018-1087 CVE-2018-7757 CVE-2018-8781 CVE-2018-8822 CVE-2018-8897 |
| CWE-ID | CWE-416 CWE-126 CWE-787 CWE-362 CWE-20 CWE-703 CWE-401 CWE-190 CWE-119 |
| Exploitation vector | Network |
| Public exploit |
Public exploit code for vulnerability #9 is available. Vulnerability #11 is being exploited in the wild. |
| Vulnerable software Subscribe |
SUSE Linux Operating systems & Components / Operating system |
| Vendor | SUSE |
Security Bulletin
This security bulletin contains information about 11 vulnerabilities.
1) 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
DescriptionThe 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 packages.
SUSE Linux: 12
External linkshttp://lists.opensuse.org/opensuse-security-announce/2018-05/msg00020.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.
2) Buffer over-read
EUVDB-ID: #VU12606
Risk: Low
CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2017-11089
CWE-ID:
CWE-126 - Buffer over-read
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to obtain potentially sensitive information on the target system.
The weakness exists in nl80211_set_station due to buffer over-read when user space application sends attribute NL80211_ATTR_LOCAL_MESH_POWER_MODE with data of size less than 4 bytes. A remote attacker can gain access to potentially sensitive information.
Update the affected packages.
SUSE Linux: 12
External linkshttp://lists.opensuse.org/opensuse-security-announce/2018-05/msg00020.html
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.
3) 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
DescriptionThe 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 packages.
SUSE Linux: 12
External linkshttp://lists.opensuse.org/opensuse-security-announce/2018-05/msg00020.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.
4) 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
Exploit availability: No
DescriptionThe 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 packages.
SUSE Linux: 12
External linkshttp://lists.opensuse.org/opensuse-security-announce/2018-05/msg00020.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.
5) Improper input validation
EUVDB-ID: #VU11878
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-2018-10087
CWE-ID:
CWE-20 - Improper input validation
Exploit availability: No
DescriptionThe vulnerability allows a local attacker to cause DoS condition on the target system.
The weakness exists in the kernel_wait4 function in kernel/exit.c due to improper validation of the INT_MIN parameter. A local attacker can trigger an error condition and cause the service to crash.
MitigationUpdate the affected packages.
SUSE Linux: 12
External linkshttp://lists.opensuse.org/opensuse-security-announce/2018-05/msg00020.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.
6) Improper input validation
EUVDB-ID: #VU11879
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-2018-10124
CWE-ID:
CWE-20 - Improper input validation
Exploit availability: No
DescriptionThe vulnerability allows a local attacker to cause DoS condition on the target system.
The weakness exists in the kill_something_info function in kernel/signal.c due to improper validation of input. A local attacker can run a program designed to send malicious requests and cause the service to crash.
MitigationUpdate the affected packages.
SUSE Linux: 12
External linkshttp://lists.opensuse.org/opensuse-security-announce/2018-05/msg00020.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.
7) Improper check or handling of exceptional conditions
EUVDB-ID: #VU12520
Risk: Low
CVSSv3.1: 7.7 [CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2018-1087
CWE-ID:
CWE-703 - Improper Check or Handling of Exceptional Conditions
Exploit availability: No
DescriptionThe vulnerability allows an adjacent attacker to cause DoS condition or gain elevated privileges on the target system.
The weakness exists in the Linux kernel KVM hypervisor due to improper handling of debug exceptions delivered after a stack switch operation via mov SS or pop SS instructions. During the stack switch operation, the exceptions are deferred. An adjacent attacker can cause the service to crash or gain root privileges.
Update the affected packages.
SUSE Linux: 12
External linkshttp://lists.opensuse.org/opensuse-security-announce/2018-05/msg00020.html
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
8) 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
DescriptionThe 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 packages.
SUSE Linux: 12
External linkshttp://lists.opensuse.org/opensuse-security-announce/2018-05/msg00020.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.
9) 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
DescriptionThe 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 packages.
SUSE Linux: 12
External linkshttp://lists.opensuse.org/opensuse-security-announce/2018-05/msg00020.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. However, proof of concept for this vulnerability is available.
10) 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
DescriptionThe 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 packages.
SUSE Linux: 12
External linkshttp://lists.opensuse.org/opensuse-security-announce/2018-05/msg00020.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.
11) Privilege escalation
EUVDB-ID: #VU12450
Risk: Low
CVSSv3.1: 8.4 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:H/RL:O/RC:C]
CVE-ID: CVE-2018-8897
CWE-ID:
CWE-703 - Improper Check or Handling of Exceptional Conditions
Exploit availability: Yes
DescriptionThe vulnerability allows a local attacker to gain elevated privileges on the target system.
The vulnerability exists due to improper implementation of Intel 64 and IA-32 Architectures Software Developer's Manual (SDM) on multiple system kernels, which results in an unexpected behavior for #DB exceptions that are deferred by MOV SS or POP SS. A local user can execute arbitrary code with elevated privileges.
Update the affected packages.
SUSE Linux: 12
External linkshttp://lists.opensuse.org/opensuse-security-announce/2018-05/msg00020.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?
Yes. This vulnerability is being exploited in the wild.
