7.8

CVE-2023-54088: blk-cgroup: hold queue_lock when removing blkg->q_node

Deferred
AliasesUBUNTU-CVE-2023-54088DEBIAN-CVE-2023-54088
Published 24-12-2025Last modified 15-10-2026

Vulnerability summary

CVE-2023-54088 is a high (CVSS 7.8) vulnerability in linux. EPSS estimates a 0.17% chance of exploitation in the next 30 days, higher than 5.8% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 7.8, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
7.8/10
010
High · v3.1 (CVE.org)
EPSS score
0.17%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 9 · Related 8
RHSA-2023:6583SUSE-SU-2026:0278-1SUSE-SU-2026:0281-1SUSE-SU-2026:0293-1SUSE-SU-2026:0315-1SUSE-SU-2026:20477-1

Timeline

  1. 24-12-2025
    PublishedVulnerability first disclosed.
  2. 15-10-2026
    Last modifiedVulnerability information updated.

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().

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.17%

Chance of exploitation in the next 30 days

Percentile

6%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.17% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Version check

Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.

Ubuntu125 products
  • linuxAll versions (No fix recorded)
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-awsAll versions (No fix recorded)
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Debian1 product
  • linuxAll versions (No fix recorded) | < 6.4.13-1
Linux1 product
  • linux≥ 81c1188905f88b77743d1fdeeedfc8cb7b67787d, < b5dae1cd0d8368b4338430ff93403df67f0b8bcc | ≥ bfe46d2efe46c5c952f982e2ca94fe2ec5e58e2a, < 083b58373463a6e5ee60ecb135269348f68ad7df | ≥ f1c006f1c6850c14040f8337753a63119bba39b9, < cd4ffdf56791eec95af01f06bee1ec7665ca75c4 | ≥ f1c006f1c6850c14040f8337753a63119bba39b9, < c164c7bc9775be7bcc68754bb3431fce5823822e | ≥ 6.1.16, < 6.1.17 | ≥ 6.2.3, < 6.2.4 | 6.3

3 vendors · 127 products

References

7 links