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SUSE: 2023:4806-2 critical: kernel update vulnerability notice

suse
Calendar Grey December 13, 2023
Dist Suse Esm H88
An essential update for the Linux kernel resolves various local privilege escalation security flaws. Learn more here.
* bsc#1213584 * bsc#1215097 * bsc#1215442 * bsc#1215519 * bsc#1215971

Summary

## This update for the Linux Kernel 5.14.21-150500_55_7 fixes several issues. The following security issues were fixed: * CVE-2023-3610: Fixed use-after-free vulnerability in nf_tables can be exploited to achieve local privilege escalation (bsc#1213584). * 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).

Topics%20covered

Topics Covered

security advisory security update kernel patch local exploit SUSE live patching

References

* bsc#1213584

* bsc#1215097

* bsc#1215442

* bsc#1215519

* bsc#1215971

Cross-

* CVE-2023-2163

* CVE-2023-3610

* 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-2023-3610 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

* CVE-2023-3610 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

* 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

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2023:4805-1
Rating: important

Topics%20covered

Topics Covered

security advisory security update kernel patch local exploit SUSE live patching

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