7.8

CVE-2024-26772: ext4: avoid allocating blocks from corrupted group in ext4_mb_find_by_goal()

Modified
AliasesUBUNTU-CVE-2024-26772DEBIAN-CVE-2024-26772
Published 03-04-2024Last modified 15-10-2026

Vulnerability summary

CVE-2024-26772 is a high (CVSS 7.8) vulnerability in debian debian_linux. EPSS estimates a 0.27% chance of exploitation in the next 30 days, higher than 18.5% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 7.8, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
7.8/10
010
High · v3.1 (CVE.org)
EPSS score
0.27%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 34 · Related 23
DLA-3840-1DLA-3842-1DSA-5681-1RHSA-2024:5101RHSA-2024:5102RHSA-2024:6753

Timeline

  1. 03-04-2024
    PublishedVulnerability first disclosed.
  2. 15-10-2026
    Last modifiedVulnerability information updated.

Description

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 metrics

5 scores · 4 sources · 2 versions

EPSS trend

Probability

0.27%

Chance of exploitation in the next 30 days

Percentile

19%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.27% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Version check

Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.

Ubuntu117 products
  • linuxAll versions (No fix recorded) | < 5.4.0-186.206 | < 5.15.0-112.122
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-awsAll versions (No fix recorded) | < 5.4.0-1126.136 | < 5.15.0-1063.69
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Debian2 products
Linux2 products
  • linux≥ 163a203ddb36c36d4a1c942aececda0cc8d06aa7, < 5a6dcc4ad0f7f7fa8e8d127b5526e7c5f2d38a43 | ≥ 163a203ddb36c36d4a1c942aececda0cc8d06aa7, < 6b92b1bc16d691c95b152c6dbf027ad64315668d | ≥ 163a203ddb36c36d4a1c942aececda0cc8d06aa7, < ffeb72a80a82aba59a6774b0611f792e0ed3b0b7 | ≥ 163a203ddb36c36d4a1c942aececda0cc8d06aa7, < 8de8305a25bfda607fc13475ebe84b978c96d7ff | ≥ 163a203ddb36c36d4a1c942aececda0cc8d06aa7, < d639102f4cbd4cb65d1225dba3b9265596aab586 | ≥ 163a203ddb36c36d4a1c942aececda0cc8d06aa7, < d3bbe77a76bc52e9d4d0a120f1509be36e25c916 | ≥ 163a203ddb36c36d4a1c942aececda0cc8d06aa7, < 21dbe20589c7f48e9c5d336ce6402bcebfa6d76a | ≥ 163a203ddb36c36d4a1c942aececda0cc8d06aa7, < 832698373a25950942c04a512daa652c18a9b513 | 3.12
  • linux_kernel< 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:rc1 | 6.8:rc2

3 vendors · 121 products

References

28 links
Show all 28 references