CVE-2024-47739 (GCVE-0-2024-47739)

Vulnerability from cvelistv5 – Published: 2024-10-21 12:14 – Updated: 2025-11-03 22:21
VLAI?
Title
padata: use integer wrap around to prevent deadlock on seq_nr overflow
Summary
In the Linux kernel, the following vulnerability has been resolved: padata: use integer wrap around to prevent deadlock on seq_nr overflow When submitting more than 2^32 padata objects to padata_do_serial, the current sorting implementation incorrectly sorts padata objects with overflowed seq_nr, causing them to be placed before existing objects in the reorder list. This leads to a deadlock in the serialization process as padata_find_next cannot match padata->seq_nr and pd->processed because the padata instance with overflowed seq_nr will be selected next. To fix this, we use an unsigned integer wrap around to correctly sort padata objects in scenarios with integer overflow.
Severity ?
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: bfde23ce200e6d33291d29b9b8b60cc2f30f0805 , < 46c4079460f4dcaf445860679558eedef4e1bc91 (git)
Affected: bfde23ce200e6d33291d29b9b8b60cc2f30f0805 , < 72164d5b648951684b1a593996b37a6083c61d7d (git)
Affected: bfde23ce200e6d33291d29b9b8b60cc2f30f0805 , < ab205e1c3846326f162180e56825b4ba38ce9c30 (git)
Affected: bfde23ce200e6d33291d29b9b8b60cc2f30f0805 , < 1b8cf11b3ca593a8802a51802cd0c28c38501428 (git)
Affected: bfde23ce200e6d33291d29b9b8b60cc2f30f0805 , < 9e279e6c1f012b82628b89e1b9c65dbefa8ca25a (git)
Affected: bfde23ce200e6d33291d29b9b8b60cc2f30f0805 , < 1bd712de96ad7167fe0d608e706cd60587579f16 (git)
Affected: bfde23ce200e6d33291d29b9b8b60cc2f30f0805 , < 9a22b2812393d93d84358a760c347c21939029a6 (git)
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    Linux Linux Affected: 5.4
Unaffected: 0 , < 5.4 (semver)
Unaffected: 5.10.227 , ≤ 5.10.* (semver)
Unaffected: 5.15.168 , ≤ 5.15.* (semver)
Unaffected: 6.1.113 , ≤ 6.1.* (semver)
Unaffected: 6.6.54 , ≤ 6.6.* (semver)
Unaffected: 6.10.13 , ≤ 6.10.* (semver)
Unaffected: 6.11.2 , ≤ 6.11.* (semver)
Unaffected: 6.12 , ≤ * (original_commit_for_fix)
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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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