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Review reviewHigh

CVE-2023-54162

Linux

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix possible memory leak in smb2_lock() argv needs to be free when setup_async_work fails or when the current process is woken up.

CVSS
8.8
EPSS
0.34%
26.4% percentile
CISA KEV
Not listed
Published
2025.12.30
PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability0.34%
Technical severityCVSS 8.8

Vulnerability overview

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix possible memory leak in smb2_lock() argv needs to be free when setup_async_work fails or when the current process is woken up.

Affected product and versions

Product
Linux
Affected versions
>= e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 < bfe8372ef2dbdce97f13b21d76e2080ddeef5a79, >= e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 < 6bf555ed8938444466c3d7f3252eb874a518f293, >= e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 < 11d38f8a0c19763e34d2093b5ecb640e012cb2d2, >= e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 < d3ca9f7aeba793d74361d88a8800b2f205c9236b, >= 5.15
Fixed versions
No verified fixed-version field is available yet

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
  1. 1
    Identify

    Confirm that Linux and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE
Not available