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CVE-2026-46154

In the Linux kernel, the following vulnerability has been resolved: sched_ext: Read scx_root under scx_cgroup_ops_rwsem in cgroup setters scx_group_set_{weight,idle,bandwidth}() cache scx_root before acquiring scx_cgroup_ops_rwsem, so the pointer can be stale by the time the op runs. If the loaded scheduler is disabled and freed (via RCU work) and another is enabled between the naked load and the rwsem acquire, the reader sees scx_cgroup_enabled=true (the new scheduler's) but dereferences the
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:c56ec7ee7fe8cc104ad2447bfafd91160abb45b2f53fb52406a53a6379ff78b7
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":"ce9aaa3af445c391735c9d000c4db60dfd5640d4","status":"affected","version":"a5bd6ba30b3364354269b81ac55c2edca9a96d6d","versionType":"git"},{"lessThan":"0f54f6355575971673d8aac7da107ec4178e45bd","status":"affected","version":"a5bd6ba30b3364354269b81ac55c2edca9a96d6d","versionType":"git"},{"lessThan":"80afd4c84bc8f5e80145ce35279f5ce53f6043db","status":"affected","version":"a5bd6ba30b3364354269b81ac55…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:edf8e710c96ba1e92e559047d6a3796f30819a7ff150dacccf0b8eb754df1d1a · sha256:863ee195a53bcd8e… · /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":"6.18"},{"lessThan":"6.18","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.32","versionType":"semver"},{"lessThanOrEqual":"7.0.*","status":"unaffected","version":"7.0.7","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.1","versionType":"original_commit_for_fix"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:edf8e710c96ba1e92e559047d6a3796f30819a7ff150dacccf0b8eb754df1d1a · sha256:863ee195a53bcd8e… · /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":"ce9aaa3af445c391735c9d000c4db60dfd5640d4","status":"affected","version":"a5bd6ba30b3364354269b81ac55c2edca9a96d6d","versionType":"git"},{"lessThan":"0f54f6355575971673d8aac7da107ec4178e45bd","status":"affected","version":"a5bd6ba30b3364354269b81ac55c2edca9a96d6d","versionType":"git"},{"lessThan":"80afd4c84bc8f5e80145ce35279f5ce53f6043db","status":"affected","version":"a5bd6ba30b3364354269b81ac55…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:edf8e710c96ba1e92e559047d6a3796f30819a7ff150dacccf0b8eb754df1d1a · sha256:863ee195a53bcd8e… · /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":"6.18"},{"lessThan":"6.18","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.32","versionType":"semver"},{"lessThanOrEqual":"7.0.*","status":"unaffected","version":"7.0.7","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.1","versionType":"original_commit_for_fix"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:edf8e710c96ba1e92e559047d6a3796f30819a7ff150dacccf0b8eb754df1d1a · sha256:863ee195a53bcd8e… · /containers/cna/affected/1

Provider-owned CVSS observations

1 source assertion
{"metric":{"baseScore":7,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:edf8e710c96ba1e92e559047d6a3796f30819a7ff150dacccf0b8eb754df1d1a · sha256:863ee195a53bcd8e… · /containers/cna/metrics/0/cvssV3_1

Source references

3 source assertions
{"url":"https://git.kernel.org/stable/c/0f54f6355575971673d8aac7da107ec4178e45bd"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:edf8e710c96ba1e92e559047d6a3796f30819a7ff150dacccf0b8eb754df1d1a · sha256:863ee195a53bcd8e… · /containers/cna/references/1
{"url":"https://git.kernel.org/stable/c/80afd4c84bc8f5e80145ce35279f5ce53f6043db"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:edf8e710c96ba1e92e559047d6a3796f30819a7ff150dacccf0b8eb754df1d1a · sha256:863ee195a53bcd8e… · /containers/cna/references/2
{"url":"https://git.kernel.org/stable/c/ce9aaa3af445c391735c9d000c4db60dfd5640d4"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:edf8e710c96ba1e92e559047d6a3796f30819a7ff150dacccf0b8eb754df1d1a · sha256:863ee195a53bcd8e… · /containers/cna/references/0

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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