Use After Free Affecting kernel-rt-core package, versions <0:4.18.0-553.rt7.342.el8_10


Severity

Recommended
medium

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.04% (6th percentile)

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  • Snyk IDSNYK-RHEL8-KERNELRTCORE-6152801
  • published11 Jan 2024
  • disclosed10 Jan 2024

Introduced: 10 Jan 2024

CVE-2023-51780  (opens in a new tab)
CWE-416  (opens in a new tab)
First added by Snyk

How to fix?

Upgrade RHEL:8 kernel-rt-core to version 0:4.18.0-553.rt7.342.el8_10 or higher.
This issue was patched in RHSA-2024:2950.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-rt-core package and not the kernel-rt-core package as distributed by RHEL. See How to fix? for RHEL:8 relevant fixed versions and status.

An issue was discovered in the Linux kernel before 6.6.8. do_vcc_ioctl in net/atm/ioctl.c has a use-after-free because of a vcc_recvmsg race condition.

CVSS Scores

version 3.1