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CVE-2024-26772

ext4: avoid allocating blocks from corrupted group in ext4_mb_find_by_goal()

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 4.19.308, 5.4.270, 5.10.211, 5.15.150, 6.1.80, and 2 more
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: none
  • Automatable: no
  • Technical impact: partial

Summary

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.

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: none · Automatable: no · Technical impact: partial

  3. Record last updated

Affected versions

  • Linux Linux

    From 163a203ddb36c36d4a1c942aececda0cc8d06aa7 · fixed in 5a6dcc4ad0f7f7fa8e8d127b5526e7c5f2d38a43; From 163a203ddb36c36d4a1c942aececda0cc8d06aa7 · fixed in 6b92b1bc16d691c95b152c6dbf027ad64315668d; From 163a203ddb36c36d4a1c942aececda0cc8d06aa7 · fixed in ffeb72a80a82aba59a6774b0611f792e0ed3b0b7; From 163a203ddb36c36d4a1c942aececda0cc8d06aa7 · fixed in 8de8305a25bfda607fc13475ebe84b978c96d7ff; From 163a203ddb36c36d4a1c942aececda0cc8d06aa7 · fixed in d639102f4cbd4cb65d1225dba3b9265596aab586; From 163a203ddb36c36d4a1c942aececda0cc8d06aa7 · fixed in d3bbe77a76bc52e9d4d0a120f1509be36e25c916; From 163a203ddb36c36d4a1c942aececda0cc8d06aa7 · fixed in 21dbe20589c7f48e9c5d336ce6402bcebfa6d76a; From 163a203ddb36c36d4a1c942aececda0cc8d06aa7 · fixed in 832698373a25950942c04a512daa652c18a9b513

  • Linux Linux

    3.12

  • KernelLinux

    From 3.12.0 · fixed in 4.19.308; From 4.20.0 · fixed in 5.4.270; From 5.5.0 · fixed in 5.10.211; From 5.11.0 · fixed in 5.15.150; From 5.16.0 · fixed in 6.1.80; From 6.2.0 · fixed in 6.6.19; From 6.7.0 · fixed in 6.7.7

References 8

git.kernel.org