CVE Explorer

CVE-2026-31528

In the Linux kernel, the following vulnerability has been resolved: perf: Make sure to use pmu_ctx->pmu for groups Oliver reported that x86_pmu_del() ended up doing an out-of-bound memory access when group_sched_in() fails and needs to roll back. This *should* be handled by the transaction callbacks, but he found that when the group leader is a software event, the transaction handlers of the wrong PMU are used. Despite the move_group case in perf_event_open() and group_sched_in() using pmu_ct

Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:ac1aee40517e77afc1ef099827bbacfc7b6efd099943d5e754117fda8a7fe311

Known exploited

Not asserted

Disputed

Stale source

Conflicts

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 2 assertions

{"defaultStatus":"unaffected","product":"Linux","programFiles":["kernel/events/core.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"656f35b463995bee024d948440128230aacd81e1","status":"affected","version":"bd27568117664b8b3e259721393df420ed51f57b","versionType":"git"},{"lessThan":"3a696e84a8b1fafdd774bb30d62919faf844d9e4","status":"affected","version":"bd27568117664b8b3e259721393df420ed51f57b","versionType":"git"},{"lessThan":"35f7914e54fe7f13654c22ee045b05e4b6d8062b","status":"affected","version":"bd27568117664b8b3e2597213…

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:87f20c756d2a3186fe35ec3d6784193d0fe224c1204fd2615476d5cf5b0b669a · sha256:29242ef916f8da96… · /containers/cna/affected/0

{"defaultStatus":"affected","product":"Linux","programFiles":["kernel/events/core.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.2"},{"lessThan":"6.2","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.131","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.80","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.21","versionType":"semver"},{"lessThanOrEq…

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:87f20c756d2a3186fe35ec3d6784193d0fe224c1204fd2615476d5cf5b0b669a · sha256:29242ef916f8da96… · /containers/cna/affected/1

Affected products and versions

2 source assertions

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:87f20c756d2a3186fe35ec3d6784193d0fe224c1204fd2615476d5cf5b0b669a · sha256:29242ef916f8da96… · /containers/cna/affected/0

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:87f20c756d2a3186fe35ec3d6784193d0fe224c1204fd2615476d5cf5b0b669a · sha256:29242ef916f8da96… · /containers/cna/affected/1

Provider-owned CVSS observations

1 source assertion

{"metric":{"baseScore":7.8,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:L/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:v2:87f20c756d2a3186fe35ec3d6784193d0fe224c1204fd2615476d5cf5b0b669a · sha256:29242ef916f8da96… · /containers/cna/metrics/0/cvssV3_1

Source references

5 source assertions

{"url":"https://git.kernel.org/stable/c/35f7914e54fe7f13654c22ee045b05e4b6d8062b"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:87f20c756d2a3186fe35ec3d6784193d0fe224c1204fd2615476d5cf5b0b669a · sha256:29242ef916f8da96… · /containers/cna/references/2

{"url":"https://git.kernel.org/stable/c/3a696e84a8b1fafdd774bb30d62919faf844d9e4"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:87f20c756d2a3186fe35ec3d6784193d0fe224c1204fd2615476d5cf5b0b669a · sha256:29242ef916f8da96… · /containers/cna/references/1

{"url":"https://git.kernel.org/stable/c/4b9ce671960627b2505b3f64742544ae9801df97"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:87f20c756d2a3186fe35ec3d6784193d0fe224c1204fd2615476d5cf5b0b669a · sha256:29242ef916f8da96… · /containers/cna/references/4

{"url":"https://git.kernel.org/stable/c/4c759446046500a1a6785b25725725c3ff087ace"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:87f20c756d2a3186fe35ec3d6784193d0fe224c1204fd2615476d5cf5b0b669a · sha256:29242ef916f8da96… · /containers/cna/references/3

{"url":"https://git.kernel.org/stable/c/656f35b463995bee024d948440128230aacd81e1"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:87f20c756d2a3186fe35ec3d6784193d0fe224c1204fd2615476d5cf5b0b669a · sha256:29242ef916f8da96… · /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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