Race Condition Affecting kernel-livepatch-5_3_18-150200_24_183-default package, versions <10-150200.5.6.1


Severity

Recommended
0.0
high
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.04% (12th percentile)

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  • Snyk IDSNYK-SLES152-KERNELLIVEPATCH531815020024183DEFAULT-8491336
  • published7 Dec 2024
  • disclosed6 Dec 2024

Introduced: 6 Dec 2024

NewCVE-2023-6546  (opens in a new tab)
CWE-362  (opens in a new tab)

How to fix?

Upgrade SLES:15.2 kernel-livepatch-5_3_18-150200_24_183-default to version 10-150200.5.6.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-livepatch-5_3_18-150200_24_183-default package and not the kernel-livepatch-5_3_18-150200_24_183-default package as distributed by SLES. See How to fix? for SLES:15.2 relevant fixed versions and status.

A race condition was found in the GSM 0710 tty multiplexor in the Linux kernel. This issue occurs when two threads execute the GSMIOC_SETCONF ioctl on the same tty file descriptor with the gsm line discipline enabled, and can lead to a use-after-free problem on a struct gsm_dlci while restarting the gsm mux. This could allow a local unprivileged user to escalate their privileges on the system.

References

CVSS Scores

version 3.1