vulnerability

Red Hat: CVE-2023-4133: kernel: cxgb4: use-after-free in ch_flower_stats_cb() (Multiple Advisories)

Severity
5
CVSS
(AV:L/AC:L/Au:S/C:N/I:N/A:C)
Published
Aug 3, 2023
Added
May 23, 2024
Modified
Aug 19, 2025

Description

A use-after-free vulnerability was found in the cxgb4 driver in the Linux kernel. The bug occurs when the cxgb4 device is detaching due to a possible rearming of the flower_stats_timer from the work queue. This flaw allows a local user to crash the system, causing a denial of service condition.

Solutions

no-fix-redhat-rpm-packageredhat-upgrade-kernelredhat-upgrade-kernel-rt
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