CVE-2024-35866

smb: client: fix potential UAF in cifs_dump_full_key()

HIGH
7.8
CVSS Score
Published: May 19, 2024 at 08:34 AM UTC
Updated: June 17, 2026 at 07:35 AM UTC
2 products affected across 2 vendorsLinux KernelDebian Linux

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Severity
HIGH7.8
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

Description

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

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

5.13 ≤ v < 5.15.1815.13 ≤ v < 6.1.1325.13 ≤ v < 6.6.265.13 ≤ v < 6.8.55.13 ≤ v < 6.95.16 ≤ v < 6.1.1326.2 ≤ v < 6.6.266.7 ≤ v < 6.8.51bb56810677f26b78d57a3038054943efd334a1c6.9 rc16.9 rc2
Vendor states this is fixed in 10e17ca4000ec34737bde002a13435c38ace2682 (fixed)
Vendor states this is fixed in 3103163ccd3be4adcfa37e15608fb497be044113 (fixed)
Vendor states this is fixed in 58acd1f497162e7d282077f816faa519487be045 (fixed)
Vendor states this is fixed in d798fd98e3563027c5162259ead517057d6fa794 (fixed)
Vendor states this is fixed in f4a60d360d9114b5085701a3702a0102b0d6d846 (fixed)
Vendor states this is fixed in 5.13 (unaffected)
Vendor states this is fixed in 5.15.181 (unaffected)
Vendor states this is fixed in 6.1.132 (unaffected)
Vendor states this is fixed in 6.6.26 (unaffected)
Vendor states this is fixed in 6.8.5 (unaffected)
Vendor states this is fixed in 6.9 (unaffected)

References (6)

Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/10e17ca4000ec34737bde002a13435c38ace2682
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/3103163ccd3be4adcfa37e15608fb497be044113
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/58acd1f497162e7d282077f816faa519487be045
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/d798fd98e3563027c5162259ead517057d6fa794
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/f4a60d360d9114b5085701a3702a0102b0d6d846
Mailing ListThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
https://lists.debian.org/debian-lts-announce/2025/05/msg00045.html

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-416

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