Review reviewHigh

CVE-2023-53626

Linux Linux, linux kernel

In the Linux kernel, the following vulnerability has been resolved: ext4: fix possible double unlock when moving a directory

CVSS
7.8
EPSS
0.20%
10.3% percentile
CISA KEV
Not listed
Published
2025.10.08
PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability0.20%
Technical severityCVSS 7.8

Vulnerability overview

In the Linux kernel, the following vulnerability has been resolved: ext4: fix possible double unlock when moving a directory

Affected product and versions

Product
Linux Linux, linux kernel
Affected versions
>= 8dac5a63cf79707b547ea3d425fead5f4482198f < c16cbd8233d6c58fc488545393e49b5d55729990, >= 0c440f14558bfacd22c6935ae1fd4b2a09e96b5d < 020166bc6669ca9fb267ebd96bd88c4fb64a5d46, >= c50fc503ee1b97f12c98e26afc39fdaebebcf04f < 1c93c42c7bb23057bde8a0a2ab834927ff64d20c, >= b0bb13612292ca90fa4c2a7e425375649bc50d3e < e71eb4dca41f0f36823724ced0406bb2dbdd5506, >= 291cd19d107e197306869cb3237c1bba62d13182 < 43ce288ab5d7274a4a141d7f5e3ed2ab7b41f8a2, >= 0813299c586b175d7edb25f56412c54b812d0379 < 70e42feab2e20618ddd0cbfc4ab4b08628236ecd, >= 5.4.237 < 5.4.238, >= 5.10.175 < 5.10.176, >= 5.15.103 < 5.15.104, >= 6.1.20 < 6.1.21, >= 6.2.7 < 6.2.8, 5.4.237, 5.10.175, 5.15.103, 6.1.20, 6.2.7, 6.3
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 Linux, linux kernel 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:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE
CWE-415