Baitaphish
Security intelligence
SearchLatest briefing
CVE Explorer

CVE-2026-31734

In the Linux kernel, the following vulnerability has been resolved: sched_ext: Fix is_bpf_migration_disabled() false negative on non-PREEMPT_RCU Since commit 8e4f0b1ebcf2 ("bpf: use rcu_read_lock_dont_migrate() for trampoline.c"), the BPF prolog (__bpf_prog_enter) calls migrate_disable() only when CONFIG_PREEMPT_RCU is enabled, via rcu_read_lock_dont_migrate(). Without CONFIG_PREEMPT_RCU, the prolog never touches migration_disabled, so migration_disabled == 1 always means the task is truly mig
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:ecc295c4be857ae001acc6642209f9cd320ad64821f0aa5cacdadbbfb632e675
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":"affected","product":"Linux","programFiles":["kernel/sched/ext_idle.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.18"},{"lessThan":"6.18","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.22","versionType":"semver"},{"lessThanOrEqual":"6.19.*","status":"unaffected","version":"6.19.12","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.0","versionType":"original_commit_for_fix"}]…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:b1841bf32f9091e2231e7a1e2aa74c7d1afc82dec52abece5a0c7ac4510e11f6 · sha256:2e6de06b1ec5426e… · /containers/cna/affected/1

{"defaultStatus":"unaffected","product":"Linux","programFiles":["kernel/sched/ext_idle.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"72c43eb2e334febe93018cfb68ae828f55c6e49e","status":"affected","version":"8e4f0b1ebcf2180ab594f204f01279a666dadf3b","versionType":"git"},{"lessThan":"b4992a9446bb9a639007bfd32bf5c5a7e30199e5","status":"affected","version":"8e4f0b1ebcf2180ab594f204f01279a666dadf3b","versionType":"git"},{"lessThan":"0c4a59df370bea245695c00aaae6ae75747139bd","status":"affected","version":"8e4f0b1ebcf2180ab594f2…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:b1841bf32f9091e2231e7a1e2aa74c7d1afc82dec52abece5a0c7ac4510e11f6 · sha256:2e6de06b1ec5426e… · /containers/cna/affected/0

Affected products and versions

2 source assertions
{"defaultStatus":"affected","product":"Linux","programFiles":["kernel/sched/ext_idle.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.18"},{"lessThan":"6.18","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.22","versionType":"semver"},{"lessThanOrEqual":"6.19.*","status":"unaffected","version":"6.19.12","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.0","versionType":"original_commit_for_fix"}]…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:b1841bf32f9091e2231e7a1e2aa74c7d1afc82dec52abece5a0c7ac4510e11f6 · sha256:2e6de06b1ec5426e… · /containers/cna/affected/1
{"defaultStatus":"unaffected","product":"Linux","programFiles":["kernel/sched/ext_idle.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"72c43eb2e334febe93018cfb68ae828f55c6e49e","status":"affected","version":"8e4f0b1ebcf2180ab594f204f01279a666dadf3b","versionType":"git"},{"lessThan":"b4992a9446bb9a639007bfd32bf5c5a7e30199e5","status":"affected","version":"8e4f0b1ebcf2180ab594f204f01279a666dadf3b","versionType":"git"},{"lessThan":"0c4a59df370bea245695c00aaae6ae75747139bd","status":"affected","version":"8e4f0b1ebcf2180ab594f2…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:b1841bf32f9091e2231e7a1e2aa74c7d1afc82dec52abece5a0c7ac4510e11f6 · sha256:2e6de06b1ec5426e… · /containers/cna/affected/0

Source references

3 source assertions
{"url":"https://git.kernel.org/stable/c/0c4a59df370bea245695c00aaae6ae75747139bd"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:b1841bf32f9091e2231e7a1e2aa74c7d1afc82dec52abece5a0c7ac4510e11f6 · sha256:2e6de06b1ec5426e… · /containers/cna/references/2
{"url":"https://git.kernel.org/stable/c/72c43eb2e334febe93018cfb68ae828f55c6e49e"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:b1841bf32f9091e2231e7a1e2aa74c7d1afc82dec52abece5a0c7ac4510e11f6 · sha256:2e6de06b1ec5426e… · /containers/cna/references/0
{"url":"https://git.kernel.org/stable/c/b4992a9446bb9a639007bfd32bf5c5a7e30199e5"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:b1841bf32f9091e2231e7a1e2aa74c7d1afc82dec52abece5a0c7ac4510e11f6 · sha256:2e6de06b1ec5426e… · /containers/cna/references/1

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.

← Back to CVE Explorer