CVE-2024-49573

unknown
Published โ€” ยท Modified โ€”
CVSS v3
โ€”
CVSS v4 NEW
โ€”
not yet in upstream
VIR risk
โ€”

Description

In the Linux kernel, the following vulnerability has been resolved: sched/fair: Fix NEXT_BUDDY Adam reports that enabling NEXT_BUDDY insta triggers a WARN in pick_next_entity(). Moving clear_buddies() up before the delayed dequeue bits ensures no ->next buddy becomes delayed. Further ensure no new ->next buddy ever starts as delayed.

Predictions

Exploit likelihood
20%
Patch ETA
โ€”

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

Mitigation details

Source: Debian Security Tracker ยท View original โ†— ยท DFSG

CVE-2024-49573 NameCVE-2024-49573 DescriptionIn the Linux kernel, the following vulnerability has been resolved: sched/fair: Fix NEXT_BUDDY Adam reports that enabling NEXT_BUDDY insta triggers a WARN in pick_next_entity(). Moving clear_buddies() up before the delayed dequeue bits ensures no ->next buddy becomes delayed. Further ensure no new ->next buddy ever starts as delayed. SourceCVE (at NVD;โ€ฆ

CVE-2024-49573

NameCVE-2024-49573
DescriptionIn the Linux kernel, the following vulnerability has been resolved: sched/fair: Fix NEXT_BUDDY Adam reports that enabling NEXT_BUDDY insta triggers a WARN in pick_next_entity(). Moving clear_buddies() up before the delayed dequeue bits ensures no ->next buddy becomes delayed. Further ensure no new ->next buddy ever starts as delayed.
SourceCVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
linux (PTS)bullseye5.10.223-1fixed
bullseye (security)5.10.257-1fixed
bookworm6.1.170-3fixed
bookworm (security)6.1.174-1fixed
trixie6.12.86-1fixed
trixie (security)6.12.90-2fixed
forky7.0.9-1fixed
sid7.0.10-1fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
linuxsourcebullseye(not affected)
linuxsourcebookworm(not affected)
linuxsource(unstable)6.12.8-1

Notes

[bookworm] - linux <not-affected> (Vulnerable code not present)
[bullseye] - linux <not-affected> (Vulnerable code not present)
https://git.kernel.org/linus/493afbd187c4c9cc1642792c0d9ba400c3d6d90d (6.13-rc3)

Home - Debian Security - Source (Git)

Apply commands

text fix
Notes
[bookworm] - linux <not-affected> (Vulnerable code not present)[bullseye] - linux <not-affected> (Vulnerable code not present)https://git.kernel.org/linus/493afbd187c4c9cc1642792c0d9ba400c3d6d90d (6.13-rc3)

OS impact

OSVersionStatusFixed in
suse slesaffected
debian debianbookwormfixed0
debian debianbullseyefixed0
debian debianforkyfixed6.12.8-1
debian debiansidfixed6.12.8-1
debian debiantrixiefixed6.12.8-1

References

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.