CVE-2024-35865

smb: client: fix potential UAF in smb2_is_valid_oplock_break()

At a glance

Severity
CRITICAL 9.8
EPSS
EPSS 0.63 % · percentile 50 (2026-10-27)
State
PUBLISHED
Published
Updated
Assigner
Linux
NVD status
Modified

Description

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix potential UAF in smb2_is_valid_oplock_break() Skip sessions that are being teared down (status == SES_EXITING) to avoid UAF.

Scores

VersionScoreVectorScored by
CVSS 3.1CRITICAL 9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HLinux
CVSS 3.1MEDIUM 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HCISA-ADP
CVSS 3.1CRITICAL 9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HNVD · 416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Secondary)
CVSS 3.1MEDIUM 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HNVD · 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)

Weaknesses (CWE)

European references

CERT-FR advisories

Affected configurations (NVD CPE)

Affected products

ProductVersions
Linux · Linuxaffected 7f48558e6489d032b1584b0cc9ac4bb11072c034 < a710ef9e974f18232d2b9b19c90eda1a1167b2d4 ; affected 7f48558e6489d032b1584b0cc9ac4bb11072c034 < 84488466b7a69570bdbf76dd9576847ab97d54e7 ; affected 7f48558e6489d032b1584b0cc9ac4bb11072c034 < 21fed37d2bdcde33453faf61d3d4d96c355f04bd ; affected 7f48558e6489d032b1584b0cc9ac4bb11072c034 < 3dba0e5276f131e36d6d8043191d856f49238628 ; affected 7f48558e6489d032b1584b0cc9ac4bb11072c034 < 22863485a4626ec6ecf297f4cc0aef709bc862e4 ; affected a67172a013953664b1dad03c648200c70b90506c
Linux · Linuxaffected 3.13 ; unaffected 0 < 3.13 ; unaffected 5.15.209 ≤ 5.15.* ; unaffected 6.1.85 ≤ 6.1.* ; unaffected 6.6.26 ≤ 6.6.* ; unaffected 6.8.5 ≤ 6.8.*

References

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