CVE-2024-26594

ksmbd: validate mech token in session setup

HIGH
7.1
CVSS Score
Published: February 23, 2024 at 01:26 PM UTC
Updated: August 5, 2026 at 12:04 PM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
HIGH7.1
Exploit prediction
EPSS 51%
SSVC
No known exploit

Description

In the Linux kernel, the following vulnerability has been resolved: ksmbd: validate mech token in session setup If client send invalid mech token in session setup request, ksmbd validate and make the error if it is invalid.

Affected

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

v < 5.15.1495.15 ≤ v < 5.15.1495.15 ≤ v < 6.1.755.15 ≤ v < 6.6.145.15 ≤ v < 6.7.25.15 ≤ v < 6.85.16.0 ≤ v < 6.1.756.2.0 ≤ v < 6.6.146.7.0 ≤ v < 6.7.25.15626e6641f6b467447c81dd7678a69c66f7746cf
Vendor states this is fixed in 5e6dfec95833edc54c48605a98365a7325e5541e (fixed)
Vendor states this is fixed in 6eb8015492bcc84e40646390e50a862b2c0529c9 (fixed)
Vendor states this is fixed in 92e470163d96df8db6c4fa0f484e4a229edb903d (fixed)
Vendor states this is fixed in a2b21ef1ea4cf632d19b3a7cc4d4245b8e63202a (fixed)
Vendor states this is fixed in dd1de9268745f0eac83a430db7afc32cbd62e84b (fixed)
Vendor states this is fixed in 5.15 (unaffected)
Vendor states this is fixed in 5.15.149 (unaffected)
Vendor states this is fixed in 6.1.75 (unaffected)
Vendor states this is fixed in 6.6.14 (unaffected)
Vendor states this is fixed in 6.7.2 (unaffected)
Vendor states this is fixed in 6.8 (unaffected)

References (5)

Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/5e6dfec95833edc54c48605a98365a7325e5541e
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/6eb8015492bcc84e40646390e50a862b2c0529c9
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/92e470163d96df8db6c4fa0f484e4a229edb903d
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/a2b21ef1ea4cf632d19b3a7cc4d4245b8e63202a
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/dd1de9268745f0eac83a430db7afc32cbd62e84b

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
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-125

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