Review reviewHigh

CVE-2024-26772

Linux Linux, linux kernel, debian linux

In the Linux kernel, the following vulnerability has been resolved: ext4: avoid allocating blocks from corrupted group in ext4_mb_find_by_goal() Places the logic for checking if the group's block bitmap is corrupt under the protection of the group lock to avoid allocating blocks from the group with a corrupted block bitmap.

CVSS
7.8
EPSS
0.26%
18.0% percentile
CISA KEV
Not listed
Published
2024.04.04
PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability0.26%
Technical severityCVSS 7.8

Vulnerability overview

In the Linux kernel, the following vulnerability has been resolved: ext4: avoid allocating blocks from corrupted group in ext4_mb_find_by_goal() Places the logic for checking if the group's block bitmap is corrupt under the protection of the group lock to avoid allocating blocks from the group with a corrupted block bitmap.

Affected product and versions

Product
Linux Linux, linux kernel, debian linux
Affected versions
>= 163a203ddb36c36d4a1c942aececda0cc8d06aa7 < 5a6dcc4ad0f7f7fa8e8d127b5526e7c5f2d38a43, >= 163a203ddb36c36d4a1c942aececda0cc8d06aa7 < 6b92b1bc16d691c95b152c6dbf027ad64315668d, >= 163a203ddb36c36d4a1c942aececda0cc8d06aa7 < ffeb72a80a82aba59a6774b0611f792e0ed3b0b7, >= 163a203ddb36c36d4a1c942aececda0cc8d06aa7 < 8de8305a25bfda607fc13475ebe84b978c96d7ff, >= 163a203ddb36c36d4a1c942aececda0cc8d06aa7 < d639102f4cbd4cb65d1225dba3b9265596aab586, >= 163a203ddb36c36d4a1c942aececda0cc8d06aa7 < d3bbe77a76bc52e9d4d0a120f1509be36e25c916, >= 163a203ddb36c36d4a1c942aececda0cc8d06aa7 < 21dbe20589c7f48e9c5d336ce6402bcebfa6d76a, >= 163a203ddb36c36d4a1c942aececda0cc8d06aa7 < 832698373a25950942c04a512daa652c18a9b513, >= 3.12, < 4.19.308, >= 4.20 < 5.4.270, >= 5.5 < 5.10.211, >= 5.11 < 5.15.150, >= 5.16 < 6.1.80, >= 6.2 < 6.6.19, >= 6.7 < 6.7.7, 6.8, 10.0
Fixed versions
4.19.308, 5.4.270, 5.10.211, 5.15.150, 6.1.80, 6.6.19, 6.7.7

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
  1. 1
    Identify

    Confirm that Linux Linux, linux kernel, debian 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:L/UI:N/S:U/C:H/I:H/A:H
CWE
Not available
CVE-2024-26772 — Linux Linux, linux kernel, debian linux | SECUFOCUS NOW