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CVE-2026-43482

In the Linux kernel, the following vulnerability has been resolved: sched_ext: Disable preemption between scx_claim_exit() and kicking helper work scx_claim_exit() atomically sets exit_kind, which prevents scx_error() from triggering further error handling. After claiming exit, the caller must kick the helper kthread work which initiates bypass mode and teardown. If the calling task gets preempted between claiming exit and kicking the helper work, and the BPF scheduler fails to schedule it ba
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:59633a368635b969016a9f2590a6b342abf90202f50090c13398783cd1a949b6
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/ext.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"41423912f7ac7494ccd6eef411227b4efce740e0","status":"affected","version":"f0e1a0643a59bf1f922fa209cec86a170b784f3f","versionType":"git"},{"lessThan":"522acaae34aa7e05859260056b39c7c030592a0c","status":"affected","version":"f0e1a0643a59bf1f922fa209cec86a170b784f3f","versionType":"git"},{"lessThan":"5131dbec2c10961b34f844bc30b400c3fa0bcc72","status":"affected","version":"f0e1a0643a59bf1f922fa209cec…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:918fade73080241db0f8c81541d019243fe63c1ed0ab36890ff9133123b900a1 · sha256:0ccf2f450b831737… · /containers/cna/affected/0

{"defaultStatus":"affected","product":"Linux","programFiles":["kernel/sched/ext.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.12"},{"lessThan":"6.12","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.78","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.20","versionType":"semver"},{"lessThanOrEqual":"6.19.*","status":"unaffected","version":"6.19.9","versionType":"semver"},{"lessThanOrEq…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:918fade73080241db0f8c81541d019243fe63c1ed0ab36890ff9133123b900a1 · sha256:0ccf2f450b831737… · /containers/cna/affected/1

Affected products and versions

2 source assertions
{"defaultStatus":"unaffected","product":"Linux","programFiles":["kernel/sched/ext.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"41423912f7ac7494ccd6eef411227b4efce740e0","status":"affected","version":"f0e1a0643a59bf1f922fa209cec86a170b784f3f","versionType":"git"},{"lessThan":"522acaae34aa7e05859260056b39c7c030592a0c","status":"affected","version":"f0e1a0643a59bf1f922fa209cec86a170b784f3f","versionType":"git"},{"lessThan":"5131dbec2c10961b34f844bc30b400c3fa0bcc72","status":"affected","version":"f0e1a0643a59bf1f922fa209cec…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:918fade73080241db0f8c81541d019243fe63c1ed0ab36890ff9133123b900a1 · sha256:0ccf2f450b831737… · /containers/cna/affected/0
{"defaultStatus":"affected","product":"Linux","programFiles":["kernel/sched/ext.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.12"},{"lessThan":"6.12","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.78","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.20","versionType":"semver"},{"lessThanOrEqual":"6.19.*","status":"unaffected","version":"6.19.9","versionType":"semver"},{"lessThanOrEq…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:918fade73080241db0f8c81541d019243fe63c1ed0ab36890ff9133123b900a1 · sha256:0ccf2f450b831737… · /containers/cna/affected/1

Source references

4 source assertions
{"url":"https://git.kernel.org/stable/c/41423912f7ac7494ccd6eef411227b4efce740e0"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:918fade73080241db0f8c81541d019243fe63c1ed0ab36890ff9133123b900a1 · sha256:0ccf2f450b831737… · /containers/cna/references/0
{"url":"https://git.kernel.org/stable/c/5131dbec2c10961b34f844bc30b400c3fa0bcc72"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:918fade73080241db0f8c81541d019243fe63c1ed0ab36890ff9133123b900a1 · sha256:0ccf2f450b831737… · /containers/cna/references/2
{"url":"https://git.kernel.org/stable/c/522acaae34aa7e05859260056b39c7c030592a0c"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:918fade73080241db0f8c81541d019243fe63c1ed0ab36890ff9133123b900a1 · sha256:0ccf2f450b831737… · /containers/cna/references/1
{"url":"https://git.kernel.org/stable/c/83236b2e43dba00bee5b82eb5758816b1a674f6a"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:918fade73080241db0f8c81541d019243fe63c1ed0ab36890ff9133123b900a1 · sha256:0ccf2f450b831737… · /containers/cna/references/3

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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