CVE-2024-50192 Affecting kernel-tools-libs-devel package, versions <0:5.14.0-503.19.1.el9_5


Severity

Recommended
0.0
medium
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.04% (13th percentile)

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  • Snyk IDSNYK-RHEL9-KERNELTOOLSLIBSDEVEL-8425479
  • published27 Nov 2024
  • disclosed8 Nov 2024

Introduced: 8 Nov 2024

CVE-2024-50192  (opens in a new tab)

How to fix?

Upgrade RHEL:9 kernel-tools-libs-devel to version 0:5.14.0-503.19.1.el9_5 or higher.
This issue was patched in RHSA-2024:11486.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-tools-libs-devel package and not the kernel-tools-libs-devel package as distributed by RHEL. See How to fix? for RHEL:9 relevant fixed versions and status.

In the Linux kernel, the following vulnerability has been resolved:

irqchip/gic-v4: Don't allow a VMOVP on a dying VPE

Kunkun Jiang reported that there is a small window of opportunity for userspace to force a change of affinity for a VPE while the VPE has already been unmapped, but the corresponding doorbell interrupt still visible in /proc/irq/.

Plug the race by checking the value of vmapp_count, which tracks whether the VPE is mapped ot not, and returning an error in this case.

This involves making vmapp_count common to both GICv4.1 and its v4.0 ancestor.

CVSS Scores

version 3.1