Priority reviewHigh

CVE-2024-26594

Linux Linux, linux kernel

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.

CVSS: 7.1
EPSS: 51.2%
CISA KEV: Not listed
Published: 2024.02.23

PRIORITY ASSESSMENT

Priority review

FIRST EPSS indicates an elevated probability of exploitation.

Known exploitationNot established by KEV

Exploit probability51.2%

Technical severityCVSS 7.1

Vulnerability overview

Affected product and versions

Product: Linux Linux, linux kernel
Affected versions: >= 0626e6641f6b467447c81dd7678a69c66f7746cf < dd1de9268745f0eac83a430db7afc32cbd62e84b, >= 0626e6641f6b467447c81dd7678a69c66f7746cf < 6eb8015492bcc84e40646390e50a862b2c0529c9, >= 0626e6641f6b467447c81dd7678a69c66f7746cf < a2b21ef1ea4cf632d19b3a7cc4d4245b8e63202a, >= 0626e6641f6b467447c81dd7678a69c66f7746cf < 5e6dfec95833edc54c48605a98365a7325e5541e, >= 0626e6641f6b467447c81dd7678a69c66f7746cf < 92e470163d96df8db6c4fa0f484e4a229edb903d, >= 5.15, < 5.15.149, >= 5.16.0 < 6.1.75, >= 6.2.0 < 6.6.14, >= 6.7.0 < 6.7.2
Fixed versions: 5.15.149, 6.1.75, 6.6.14, 6.7.2

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide

1
Identify
Confirm that Linux Linux, linux kernel and an affected version are present.
2
Prioritize
Combine exploitation signals with asset exposure and business criticality.
3
Remediate
Follow the vendor advisory or supported update path and preserve rollback options.
4
Verify
Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
CWE: CWE-125