mm: list_lru: fix UAF for memory cgroup (Linux Linux)

CVE-2024-43888
HIGH 7.8

At a glance

Source
NVD
EPSS
EPSS 0.25 % · percentile 17 ()
State
PUBLISHED
Published
Updated
Assigner
Linux
NVD status
Modified

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]

Weaknesses (CWE)

References

Scores

VersionScoreVectorScored by
CVSS 3.1HIGH 7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HLinux
CVSS 3.1HIGH 7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HNVD · 416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Secondary)
CVSS 3.1HIGH 7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HNVD · nvd@nist.gov (Primary)

European references

CERT-FR advisories

Affected configurations (NVD CPE)

Affected products

ProductVersions
Linux · Linuxaffected 0a97c01cd20bb96359d8c9dedad92a061ed34e0b < 4589f77c18dd98b65f45617b6d1e95313cf6fcab ; affected 0a97c01cd20bb96359d8c9dedad92a061ed34e0b < 5161b48712dcd08ec427c450399d4d1483e21dea ; affected 32d7120a499d475bc03e893c59611116279bcfb8 ; affected 6.6.160 < 6.7
Linux · Linuxaffected 6.8 ; unaffected 0 < 6.8 ; unaffected 6.10.5 ≤ 6.10.* ; unaffected 6.11 ≤ *

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
EPSS (FIRST.org)FIRST — attribution requested
ENISA EUVDENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain — this product uses data from the NVD API but is not endorsed or certified by the NVD