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SUSE: 2023:4775-1 important: kernel RT live patch fixes critical problems

suse
Calendar Grey December 13, 2023
Dist Suse Esm H88
Revamping environments to tackle four major obstacles within the Linux Kernel Real-Time (RT) framework, integrating essential advancements specific to SUSE systems.
* bsc#1215097 * bsc#1215442 * bsc#1215519 * bsc#1215971

Summary

## This update for the Linux Kernel 5.14.21-150500_13_18 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 kernel patch local escalation SUSE Linux live patch

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 15.5

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2023:4775-1
Rating: important

Topics%20covered

Topics Covered

security advisory critical issue kernel patch local escalation SUSE Linux live patch

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