Ubuntu update for linux-oem-5.17



Published: 2022-10-20 | Updated: 2022-12-22
Risk High
Patch available YES
Number of vulnerabilities 10
CVE-ID CVE-2022-2318
CVE-2022-2602
CVE-2022-2978
CVE-2022-3028
CVE-2022-40768
CVE-2022-41674
CVE-2022-42719
CVE-2022-42720
CVE-2022-42721
CVE-2022-42722
CWE-ID CWE-416
CWE-362
CWE-284
CWE-119
CWE-476
Exploitation vector Local network
Public exploit Public exploit code for vulnerability #2 is available.
Vulnerable software
Subscribe 		Ubuntu
Operating systems & Components / Operating system

linux-image-5.17.0-1020-oem (Ubuntu package)
Operating systems & Components / Operating system package or component

linux-image-oem-22.04a (Ubuntu package)
Operating systems & Components / Operating system package or component

linux-image-oem-22.04 (Ubuntu package)
Operating systems & Components / Operating system package or component

Vendor Canonical Ltd.

Security Bulletin

This security bulletin contains information about 10 vulnerabilities.

1) Use-after-free

EUVDB-ID: #VU65318

Risk: Low

CVSSv3.1: 4.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-2318

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

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

The vulnerability exists due to a use-after-free error caused by timer handler in net/rose/rose_timer.c of linux. A local user can exploit the vulnerability to perform a denial of service attack.

Mitigation

Update the affected package linux-oem-5.17 to the latest version.

Vulnerable software versions

Ubuntu: 22.04

linux-image-5.17.0-1020-oem (Ubuntu package): before 5.17.0-1020.21

linux-image-oem-22.04a (Ubuntu package): before 5.17.0.1020.19

linux-image-oem-22.04 (Ubuntu package): before 5.17.0.1020.19

External links

http://ubuntu.com/security/notices/USN-5693-1


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: #VU68423

Risk: Low

CVSSv3.1: 6.3 [CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C]

CVE-ID: CVE-2022-2602

CWE-ID: CWE-416 - Use After Free

Exploit availability: Yes

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a use-after-free error caused by an io_uring request, which is being processed on a registered file. The Unix GC runs and frees the io_uring file descriptor and all the registered file descriptors in a specific order that may allow a local user to win a race and execute arbitrary code with elevated privileges.

Mitigation

Update the affected package linux-oem-5.17 to the latest version.

Vulnerable software versions

Ubuntu: 22.04

linux-image-5.17.0-1020-oem (Ubuntu package): before 5.17.0-1020.21

linux-image-oem-22.04a (Ubuntu package): before 5.17.0.1020.19

linux-image-oem-22.04 (Ubuntu package): before 5.17.0.1020.19

External links

http://ubuntu.com/security/notices/USN-5693-1


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.

3) Use-after-free

EUVDB-ID: #VU67812

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-2022-2978

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a use-after-free error within the Linux kernel NILFS file system. A local user can trigger a use-after-free error and execute arbitrary code with elevated privileges.

Mitigation

Update the affected package linux-oem-5.17 to the latest version.

Vulnerable software versions

Ubuntu: 22.04

linux-image-5.17.0-1020-oem (Ubuntu package): before 5.17.0-1020.21

linux-image-oem-22.04a (Ubuntu package): before 5.17.0.1020.19

linux-image-oem-22.04 (Ubuntu package): before 5.17.0.1020.19

External links

http://ubuntu.com/security/notices/USN-5693-1


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: #VU67477

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-2022-3028

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

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a race condition in the Linux kernel's IP framework for transforming packets (XFRM subsystem) when multiple calls to xfrm_probe_algs occurred simultaneously. A local user can exploit the race and escalate privileges on the system.

Mitigation

Update the affected package linux-oem-5.17 to the latest version.

Vulnerable software versions

Ubuntu: 22.04

linux-image-5.17.0-1020-oem (Ubuntu package): before 5.17.0-1020.21

linux-image-oem-22.04a (Ubuntu package): before 5.17.0.1020.19

linux-image-oem-22.04 (Ubuntu package): before 5.17.0.1020.19

External links

http://ubuntu.com/security/notices/USN-5693-1


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 access control

EUVDB-ID: #VU67587

Risk: Low

CVSSv3.1: 4.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-40768

CWE-ID: CWE-284 - Improper Access Control

Exploit availability: No

Description

The vulnerability allows a local user to gain access to sensitive information.

The vulnerability exists due to improper access restrictions in the drivers/scsi/stex.c in the Linux kernel. A local user can obtain sensitive information from kernel memory because stex_queuecommand_lck lacks a memset for the PASSTHRU_CMD case.

Mitigation

Update the affected package linux-oem-5.17 to the latest version.

Vulnerable software versions

Ubuntu: 22.04

linux-image-5.17.0-1020-oem (Ubuntu package): before 5.17.0-1020.21

linux-image-oem-22.04a (Ubuntu package): before 5.17.0.1020.19

linux-image-oem-22.04 (Ubuntu package): before 5.17.0.1020.19

External links

http://ubuntu.com/security/notices/USN-5693-1


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) Buffer overflow

EUVDB-ID: #VU68311

Risk: High

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-2022-41674

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error when processing WLAN frames within the ieee80211_bss_info_update() function in net/mac80211/scan.c in Linux kernel. A remote attacker on the local network can send specially crafted WLAN frames to the affected system, trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Update the affected package linux-oem-5.17 to the latest version.

Vulnerable software versions

Ubuntu: 22.04

linux-image-5.17.0-1020-oem (Ubuntu package): before 5.17.0-1020.21

linux-image-oem-22.04a (Ubuntu package): before 5.17.0.1020.19

linux-image-oem-22.04 (Ubuntu package): before 5.17.0.1020.19

External links

http://ubuntu.com/security/notices/USN-5693-1


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.

7) Use-after-free

EUVDB-ID: #VU68313

Risk: High

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-2022-42719

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error in the mac80211 stack in Linux kernel when parsing a multi-BSSID element. A remote attacker on the local network can send specially crafted WLAN frames to the affected system, trigger a use-after-free error and execute arbitrary code.

Mitigation

Update the affected package linux-oem-5.17 to the latest version.

Vulnerable software versions

Ubuntu: 22.04

linux-image-5.17.0-1020-oem (Ubuntu package): before 5.17.0-1020.21

linux-image-oem-22.04a (Ubuntu package): before 5.17.0.1020.19

linux-image-oem-22.04 (Ubuntu package): before 5.17.0.1020.19

External links

http://ubuntu.com/security/notices/USN-5693-1


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) Use-after-free

EUVDB-ID: #VU68314

Risk: High

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-2022-42720

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error in the mac80211 stack in Linux kernel when parsing a multi-BSS element. A remote attacker on the local network can send specially crafted WLAN frames to the affected system, trigger a use-after-free error and execute arbitrary code.

Mitigation

Update the affected package linux-oem-5.17 to the latest version.

Vulnerable software versions

Ubuntu: 22.04

linux-image-5.17.0-1020-oem (Ubuntu package): before 5.17.0-1020.21

linux-image-oem-22.04a (Ubuntu package): before 5.17.0.1020.19

linux-image-oem-22.04 (Ubuntu package): before 5.17.0.1020.19

External links

http://ubuntu.com/security/notices/USN-5693-1


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.

9) Buffer overflow

EUVDB-ID: #VU68316

Risk: High

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-2022-42721

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a list management error in the mac80211 stack in the Linux kernel when handling BSS. A remote attacker on the local network can send specially crafted WLAN frames to the system, trigger linked list corruption and execute arbitrary code.

Mitigation

Update the affected package linux-oem-5.17 to the latest version.

Vulnerable software versions

Ubuntu: 22.04

linux-image-5.17.0-1020-oem (Ubuntu package): before 5.17.0-1020.21

linux-image-oem-22.04a (Ubuntu package): before 5.17.0.1020.19

linux-image-oem-22.04 (Ubuntu package): before 5.17.0.1020.19

External links

http://ubuntu.com/security/notices/USN-5693-1


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.

10) NULL pointer dereference

EUVDB-ID: #VU68317

Risk: Medium

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

CVE-ID: CVE-2022-42722

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error within the mac80211 stack in Linux kernel. A remote attacker on the local network can send specially crafted WLAN frames to the affected system and perform a denial of service (DoS) attack against the beacon protection of P2P devices.

Mitigation

Update the affected package linux-oem-5.17 to the latest version.

Vulnerable software versions

Ubuntu: 22.04

linux-image-5.17.0-1020-oem (Ubuntu package): before 5.17.0-1020.21

linux-image-oem-22.04a (Ubuntu package): before 5.17.0.1020.19

linux-image-oem-22.04 (Ubuntu package): before 5.17.0.1020.19

External links

http://ubuntu.com/security/notices/USN-5693-1


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.



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