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Review reviewHigh

CVE-2023-54153

Linux

In the Linux kernel, the following vulnerability has been resolved: ext4: turn quotas off if mount failed after enabling quotas Yi found during a review of the patch "ext4: don't BUG on inconsistent journal feature" that when ext4_mark_recovery_complete() returns an error value, the error handling path does not turn off the enabled quotas, which triggers the following kmemleak: ================================================================ unreferenced object 0xffff8cf68678e7c0 (size 64): comm "mount", pid 746, jiffies 4294871231 (age 11.540s) hex dump (first 32 bytes): 00 90 ef 82 f6 8c...

CVSS
7.8
EPSS
0.14%
3.84% percentile
CISA KEV
Not listed
Published
2025.12.24
PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability0.14%
Technical severityCVSS 7.8

Vulnerability overview

In the Linux kernel, the following vulnerability has been resolved: ext4: turn quotas off if mount failed after enabling quotas Yi found during a review of the patch "ext4: don't BUG on inconsistent journal feature" that when ext4_mark_recovery_complete() returns an error value, the error handling path does not turn off the enabled quotas, which triggers the following kmemleak: ================================================================ unreferenced object 0xffff8cf68678e7c0 (size 64): comm "mount", pid 746, jiffies 4294871231 (age 11.540s) hex dump (first 32 bytes): 00 90 ef 82 f6 8c...

Affected product and versions

Product
Linux
Affected versions
>= 11215630aada28307ba555a43138db6ac54fa825 < c327b83c59ee938792a0300df646efac39c7d6a7, >= 11215630aada28307ba555a43138db6ac54fa825 < deef86fa3005cbb61ae8aa5729324c09b3f4ba73, >= 11215630aada28307ba555a43138db6ac54fa825 < 77c3ca1108eb4a26db4f256c42b271a430cebc7d, >= 11215630aada28307ba555a43138db6ac54fa825 < d13f99632748462c32fc95d729f5e754bab06064, >= 60e2824ab30a19c7aaf5a3932bc155d18b2cd816, >= a6d49257cbe53c7bca1a0353a6443f53cbed9cc7, >= 2e7312ddaf629eecf4702b662da477a3bc39c31a, >= d558851e5ff443b020245b7a1a455c55accf740b, >= 4.14.196 < 4.15, >= 4.19.143 < 4.20, >= 5.4.62 < 5.5, >= 5.8.6 < 5.9, >= 5.9
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:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE
Not available
CVE-2023-54153 — Linux | SECUFOCUS NOW