SUSE update for the Linux Kernel (Live Patch 23 for SLE 12 SP4)
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 2 |
| CVE-ID | CVE-2022-1652 CVE-2022-39188 |
| CWE-ID | CWE-416 CWE-362 |
| Exploitation vector | Local |
| Public exploit | N/A |
| Vulnerable software |
SUSE Linux Enterprise Live Patching Operating systems & Components / Operating system kgraft-patch-4_12_14-95_93-default Operating systems & Components / Operating system package or component kgraft-patch-4_12_14-95_88-default Operating systems & Components / Operating system package or component kgraft-patch-4_12_14-95_83-default Operating systems & Components / Operating system package or component |
| Vendor | SUSE |
Security Bulletin
This security bulletin contains information about 2 vulnerabilities.
1) Use-after-free
EUVDB-ID: #VU64434
Risk: Low
CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]
CVE-ID: CVE-2022-1652
CWE-ID:
CWE-416 - Use After Free
Exploit availability: No
DescriptionThe vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to use-after-free error in the bad_flp_intr() function. A local user can execute a specially-crafted program to cause a denial of service condition on the system or escalate privileges on the system.
MitigationUpdate the affected package the Linux Kernel (Live Patch 23 for SLE 12 SP4) to the latest version.
Vulnerable software versionsSUSE Linux Enterprise Live Patching: 12-SP4
kgraft-patch-4_12_14-95_93-default: before 9-2.2
kgraft-patch-4_12_14-95_88-default: before 10-2.2
kgraft-patch-4_12_14-95_83-default: before 14-2.2
CPE2.3- cpe:2.3:o:suse:suse_linux_enterprise_live_patching:12-SP4:*:*:*:*:*:*:*
- cpe:2.3:a:suse:kgraft-patch-4_12_14-95_93-default:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:a:suse:kgraft-patch-4_12_14-95_88-default:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:a:suse:kgraft-patch-4_12_14-95_83-default:*:*:*:*:*:suse_linux:*:*
https://www.suse.com/support/update/announcement/2022/suse-su-20223342-1/
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) Race condition
EUVDB-ID: #VU67478
Risk: Low
CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]
CVE-ID: CVE-2022-39188
Exploit availability: No
DescriptionThe vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a race condition within include/asm-generic/tlb.h in the Linux kernel. A local user can exploit the race and escalate privileges on the system.
Note, this only occurs in situations with VM_PFNMAP VMAs.
MitigationUpdate the affected package the Linux Kernel (Live Patch 23 for SLE 12 SP4) to the latest version.
Vulnerable software versionsSUSE Linux Enterprise Live Patching: 12-SP4
kgraft-patch-4_12_14-95_93-default: before 9-2.2
kgraft-patch-4_12_14-95_88-default: before 10-2.2
kgraft-patch-4_12_14-95_83-default: before 14-2.2
CPE2.3- cpe:2.3:o:suse:suse_linux_enterprise_live_patching:12-SP4:*:*:*:*:*:*:*
- cpe:2.3:a:suse:kgraft-patch-4_12_14-95_93-default:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:a:suse:kgraft-patch-4_12_14-95_88-default:*:*:*:*:*:suse_linux:*:*
- cpe:2.3:a:suse:kgraft-patch-4_12_14-95_83-default:*:*:*:*:*:suse_linux:*:*
https://www.suse.com/support/update/announcement/2022/suse-su-20223342-1/
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.
