7.8

CVE-2024-43888: mm: list_lru: fix UAF for memory cgroup

Modified
AliasesUBUNTU-CVE-2024-43888DEBIAN-CVE-2024-43888
Published 26-08-2024Last modified 21-10-2026

Vulnerability summary

CVE-2024-43888 is a high (CVSS 7.8) Use After Free vulnerability in linux. EPSS estimates a 0.25% chance of exploitation in the next 30 days, higher than 16.8% 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
0.25%
0%100%
Low · +0.03 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 7 · Related 5
RHSA-2024:9315RHSA-2025:13135USN-7154-1USN-7154-2USN-7155-1USN-7156-1

Timeline

  1. 26-08-2024
    PublishedVulnerability first disclosed.
  2. 21-10-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: mm: list_lru: fix UAF for memory cgroup The mem_cgroup_from_slab_obj() is supposed to be called under rcu lock or cgroup_mutex or others which could prevent returned memcg from being freed. Fix it by adding missing rcu read lock. Found by code inspection. [songmuchun@bytedance.com: only grab rcu lock when necessary, per Vlastimil]

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.25%

Chance of exploitation in the next 30 days

Percentile

17%

Versus all other CVEs

30-day change

Increase +0.03 pp

From 0.22% 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

Affected systems

Version check

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

Ubuntu92 products
  • linux< 6.8.0-50.51
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-aws< 6.8.0-1020.22
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Linux2 products
  • linux≥ 0a97c01cd20bb96359d8c9dedad92a061ed34e0b, < 4589f77c18dd98b65f45617b6d1e95313cf6fcab | ≥ 0a97c01cd20bb96359d8c9dedad92a061ed34e0b, < 5161b48712dcd08ec427c450399d4d1483e21dea | 32d7120a499d475bc03e893c59611116279bcfb8 | ≥ 6.6.160, < 6.7 | 6.8
  • linux_kernel≥ 6.8, < 6.10.5 | 6.11:rc1 | 6.11:rc2
Debian1 product
  • linux< 6.10.6-1

3 vendors · 95 products

References

11 links
Show all 11 references