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CVE-2026-43323

In the Linux kernel, the following vulnerability has been resolved: sched/fair: Fix zero_vruntime tracking fix John reported that stress-ng-yield could make his machine unhappy and managed to bisect it to commit b3d99f43c72b ("sched/fair: Fix zero_vruntime tracking"). The combination of yield and that commit was specific enough to hypothesize the following scenario: Suppose we have 2 runnable tasks, both doing yield. Then one will be eligible and one will not be, because the average position
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:b4458839d35cd99b3df42cf68ec6cd7c1d996dc99f28dbd74b8882e6245e97a2
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 2 assertions

{"defaultStatus":"unaffected","product":"Linux","programFiles":["kernel/sched/fair.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"c089147074ed96ff4330739a0559394c19a3dfc8","status":"affected","version":"d2fc2dcfce47a56ffd414783003cc966c742c8a9","versionType":"git"},{"lessThan":"87573883c30f1a8555ff720836bb6ea231058539","status":"affected","version":"99673934a89febe664e704550216638dcb2336a8","versionType":"git"},{"lessThan":"fb61ffb3fb30a161eb5404c27fc7635e275beafd","status":"affected","version":"978d4fe59665c13db692ba9683…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:c3df4b2ac0b637d496a43683708f6a5119c21444a17dfdae9fe3d0f434198155 · sha256:bf661a58d19071c0… · /containers/cna/affected/0

{"defaultStatus":"unaffected","product":"Linux","programFiles":["kernel/sched/fair.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"6.12.81","status":"affected","version":"6.12.78","versionType":"semver"},{"lessThan":"6.18.22","status":"affected","version":"6.18.17","versionType":"semver"},{"lessThan":"6.19.12","status":"affected","version":"6.19.7","versionType":"semver"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:c3df4b2ac0b637d496a43683708f6a5119c21444a17dfdae9fe3d0f434198155 · sha256:bf661a58d19071c0… · /containers/cna/affected/1

Affected products and versions

2 source assertions
{"defaultStatus":"unaffected","product":"Linux","programFiles":["kernel/sched/fair.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"c089147074ed96ff4330739a0559394c19a3dfc8","status":"affected","version":"d2fc2dcfce47a56ffd414783003cc966c742c8a9","versionType":"git"},{"lessThan":"87573883c30f1a8555ff720836bb6ea231058539","status":"affected","version":"99673934a89febe664e704550216638dcb2336a8","versionType":"git"},{"lessThan":"fb61ffb3fb30a161eb5404c27fc7635e275beafd","status":"affected","version":"978d4fe59665c13db692ba9683…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:c3df4b2ac0b637d496a43683708f6a5119c21444a17dfdae9fe3d0f434198155 · sha256:bf661a58d19071c0… · /containers/cna/affected/0
{"defaultStatus":"unaffected","product":"Linux","programFiles":["kernel/sched/fair.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"6.12.81","status":"affected","version":"6.12.78","versionType":"semver"},{"lessThan":"6.18.22","status":"affected","version":"6.18.17","versionType":"semver"},{"lessThan":"6.19.12","status":"affected","version":"6.19.7","versionType":"semver"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:c3df4b2ac0b637d496a43683708f6a5119c21444a17dfdae9fe3d0f434198155 · sha256:bf661a58d19071c0… · /containers/cna/affected/1

Source references

4 source assertions
{"url":"https://git.kernel.org/stable/c/1319ea57529e131822bab56bf417c8edc2db9ae8"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:c3df4b2ac0b637d496a43683708f6a5119c21444a17dfdae9fe3d0f434198155 · sha256:bf661a58d19071c0… · /containers/cna/references/3
{"url":"https://git.kernel.org/stable/c/87573883c30f1a8555ff720836bb6ea231058539"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:c3df4b2ac0b637d496a43683708f6a5119c21444a17dfdae9fe3d0f434198155 · sha256:bf661a58d19071c0… · /containers/cna/references/1
{"url":"https://git.kernel.org/stable/c/c089147074ed96ff4330739a0559394c19a3dfc8"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:c3df4b2ac0b637d496a43683708f6a5119c21444a17dfdae9fe3d0f434198155 · sha256:bf661a58d19071c0… · /containers/cna/references/0
{"url":"https://git.kernel.org/stable/c/fb61ffb3fb30a161eb5404c27fc7635e275beafd"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:c3df4b2ac0b637d496a43683708f6a5119c21444a17dfdae9fe3d0f434198155 · sha256:bf661a58d19071c0… · /containers/cna/references/2

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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