CVE-2023-54088

Linux Kernel < 6.1.17, 6.2.0-6.2.4, 6.3.0-6.4.12 - Use-After-Free in blk-cgroup Queue Node Removal

Title source: llm
STIX 2.1

Description

In the Linux kernel, the following vulnerability has been resolved: blk-cgroup: hold queue_lock when removing blkg->q_node When blkg is removed from q->blkg_list from blkg_free_workfn(), queue_lock has to be held, otherwise, all kinds of bugs(list corruption, hard lockup, ..) can be triggered from blkg_destroy_all().

References (4)

Core 4

Scores

EPSS 0.0018
EPSS Percentile 8.1%

Details

Status published
Products (15)
linux/Kernel < 6.1.17linux
linux/Kernel 6.2.0 - 6.2.4linux
linux/Kernel 6.3.0 - 6.4.12linux
Linux/Linux < 6.3
Linux/Linux 6.1.16 - 6.1.17
Linux/Linux 6.1.17 - 6.1.*
Linux/Linux 6.2.3 - 6.2.4
Linux/Linux 6.2.4 - 6.2.*
Linux/Linux 6.3
Linux/Linux 6.4.12 - 6.4.*
... and 5 more
Published Dec 24, 2025
Tracked Since Feb 18, 2026