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SUSE: 2023:4801-1 critical: Kernel live patch privilege escalation

suse
Calendar Grey December 13, 2023
Dist Suse Esm H88
An essential patch for the Linux Kernel addresses local privilege escalation flaws to safeguard sensitive information.
* bsc#1215097 * bsc#1215442 * bsc#1215519 * bsc#1215971

Summary

## This update for the Linux Kernel 5.14.21-150400_24_88 fixes several issues. The following security issues were fixed: * CVE-2023-3777: Fixed a use-after-free vulnerability in netfilter: nf_tables component can be exploited to achieve local privilege escalation. (bsc#1215097) * CVE-2023-5345: Fixed an use-after-free vulnerability in the fs/smb/client component which could be exploited to achieve local privilege escalation. (bsc#1215971) * CVE-2023-4622: Fixed a use-after-free vulnerability in the Unix domain sockets component which could be exploited to achieve local privilege escalation (bsc#1215442). * CVE-2023-2163: Fixed an incorrect verifier pruning in BPF that could lead to unsafe code paths being incorrectly marked as safe, resulting in arbitrary

Topics%20covered

Topics Covered

security advisory critical issue security update privilege escalation kernel patch SUSE

References

* bsc#1215097

* bsc#1215442

* bsc#1215519

* bsc#1215971

Cross-

* CVE-2023-2163

* CVE-2023-3777

* CVE-2023-4622

* CVE-2023-5345

CVSS scores:

* CVE-2023-2163 ( SUSE ): 7.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

* CVE-2023-2163 ( NVD ): 10.0 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N

* CVE-2023-3777 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

* CVE-2023-3777 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

* CVE-2023-4622 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

* CVE-2023-4622 ( NVD ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

* CVE-2023-5345 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

* CVE-2023-5345 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Products:

* openSUSE Leap 15.4

Severity
critical
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2023:4801-1
Rating: important

Topics%20covered

Topics Covered

security advisory critical issue security update privilege escalation kernel patch SUSE

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