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SUSE: 2024:0995-1 Important Linux Kernel Security Updates

suse
Calendar Grey March 26, 2024
Dist Suse Esm H88
Essential updates targeting key vulnerabilities in Linux Kernel RT for SLE 15 SP5 are now available. Ensure your system's safety by applying the newest security patches.
* bsc#1215887 * bsc#1216898 * bsc#1218487 * bsc#1218610

Summary

## This update for the Linux Kernel 5.14.21-150500_13_5 fixes several issues. The following security issues were fixed: * CVE-2023-6531: Fixed a use-after-free flaw due to a race problem in the unix garbage collector's deletion of SKB races with unix_stream_read_generic()on the socket that the SKB is queued on (bsc#1218487). * CVE-2023-46813: Fixed a local privilege escalation with user-space programs that have access to MMIO regions (bsc#1216898). * CVE-2023-39191: Fixed a lack of validation of dynamic pointers within user- supplied eBPF programs that may have allowed an attacker with CAP_BPF privileges to escalate privileges and execute arbitrary code. (bsc#1215863) * CVE-2023-51779: Fixed a use-after-free because of a bt_sock_ioctl race condition in bt_sock_recvmsg (bsc#1218610).

Topics%20covered

Topics Covered

security advisory security issue important SUSE linux kernel live patching

References

* bsc#1215887

* bsc#1216898

* bsc#1218487

* bsc#1218610

Cross-

* CVE-2023-39191

* CVE-2023-46813

* CVE-2023-51779

* CVE-2023-6531

CVSS scores:

* CVE-2023-39191 ( SUSE ): 8.2 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

* CVE-2023-39191 ( NVD ): 8.2 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

* CVE-2023-46813 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

* CVE-2023-46813 ( NVD ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

* CVE-2023-51779 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

* CVE-2023-6531 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

* CVE-2023-6531 ( NVD ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Products:

* openSUSE Leap 15.5

* SUSE Linux Enterprise High Performance Computing 15 SP5

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2024:0995-1
Rating: important

Topics%20covered

Topics Covered

security advisory security issue important SUSE linux kernel live patching

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