Race Condition Affecting kernel-debuginfo package, versions <0:4.18.0-513.24.1.el8_9


Severity

Recommended
0.0
high
0
10

Based on Rocky Linux security rating.

Threat Intelligence

EPSS
0.13% (48th percentile)

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  • Snyk IDSNYK-ROCKY8-KERNELDEBUGINFO-6577595
  • published6 Apr 2024
  • disclosed21 Dec 2023

Introduced: 21 Dec 2023

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

How to fix?

Upgrade Rocky-Linux:8 kernel-debuginfo to version 0:4.18.0-513.24.1.el8_9 or higher.
This issue was patched in RLSA-2024:1607.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-debuginfo package and not the kernel-debuginfo package as distributed by Rocky-Linux. See How to fix? for Rocky-Linux:8 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