padata: use integer wrap around to prevent deadlock on seq_nr overflow (Linux Linux)

CVE-2024-47739
HIGH 7.5

At a glance

Source
NVD
EPSS
EPSS 0.68 % · percentile 52 ()
State
PUBLISHED
Published
Updated
Assigner
Linux
NVD status
Modified

Description

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.

Weaknesses (CWE)

  • CWE-190 — Integer Overflow or Wraparound

References

Scores

VersionScoreVectorScored by
CVSS 3.1HIGH 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HLinux
CVSS 3.1HIGH 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HNVD · 416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Secondary)
CVSS 3.1MEDIUM 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HNVD · nvd@nist.gov (Primary)

European references

CERT-FR advisories

Affected configurations (NVD CPE)

Affected products

ProductVersions
Linux · Linuxaffected bfde23ce200e6d33291d29b9b8b60cc2f30f0805 < 46c4079460f4dcaf445860679558eedef4e1bc91 ; affected bfde23ce200e6d33291d29b9b8b60cc2f30f0805 < 72164d5b648951684b1a593996b37a6083c61d7d ; affected bfde23ce200e6d33291d29b9b8b60cc2f30f0805 < ab205e1c3846326f162180e56825b4ba38ce9c30 ; affected bfde23ce200e6d33291d29b9b8b60cc2f30f0805 < 1b8cf11b3ca593a8802a51802cd0c28c38501428 ; affected bfde23ce200e6d33291d29b9b8b60cc2f30f0805 < 9e279e6c1f012b82628b89e1b9c65dbefa8ca25a ; affected bfde23ce200e6d33291d29b9b8b60cc2f30f0805 < 1bd712de96ad7167fe0d608e706cd60587579f16
Linux · Linuxaffected 5.4 ; unaffected 0 < 5.4 ; unaffected 5.10.227 ≤ 5.10.* ; unaffected 5.15.168 ≤ 5.15.* ; unaffected 6.1.113 ≤ 6.1.* ; unaffected 6.6.54 ≤ 6.6.*

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
EPSS (FIRST.org)FIRST — attribution requested
ENISA EUVDENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain — this product uses data from the NVD API but is not endorsed or certified by the NVD