CVE Explorer

CVE-2026-64372

In the Linux kernel, the following vulnerability has been resolved: cpufreq: pcc: fix use-after-free and double free in _OSC evaluation pcc_cpufreq_do_osc() calls acpi_evaluate_object() twice for the two-phase _OSC negotiation. Between the two calls it freed output.pointer but left output.length unchanged. Since acpi_evaluate_object() treats a non-zero length with a non-NULL pointer as an existing buffer to write into, the second call wrote into freed memory (use-after-free). The subsequent kf

Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:31775be00a21eb24292c0ae8323774ad636aebb04d27fb99787ade01a2949876

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":["drivers/cpufreq/pcc-cpufreq.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"8e454e9d0bc03446d610ee49abec9dfd424f6541","status":"affected","version":"0f1d683fb35d6c6f49ef696c95757f3970682a0e","versionType":"git"},{"lessThan":"632666a63116d8061c62a988d1ca39dcd6d27c9b","status":"affected","version":"0f1d683fb35d6c6f49ef696c95757f3970682a0e","versionType":"git"},{"lessThan":"5cdb25f144b101083d8bf3fd023ad87fbe6850d7","status":"affected","version":"0f1d683fb35d6c6f…

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:36b9fd55d21fd62e654113ecd021d35805e67bfaed5f0260ff65420102423b08 · sha256:0d4769164e5f46cf… · /containers/cna/affected/0

{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/cpufreq/pcc-cpufreq.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"2.6.34"},{"lessThan":"2.6.34","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.261","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.212","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.178","versionType":"semver…

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:36b9fd55d21fd62e654113ecd021d35805e67bfaed5f0260ff65420102423b08 · sha256:0d4769164e5f46cf… · /containers/cna/affected/1

Affected products and versions

2 source assertions

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:36b9fd55d21fd62e654113ecd021d35805e67bfaed5f0260ff65420102423b08 · sha256:0d4769164e5f46cf… · /containers/cna/affected/0

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:36b9fd55d21fd62e654113ecd021d35805e67bfaed5f0260ff65420102423b08 · sha256:0d4769164e5f46cf… · /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:v2:36b9fd55d21fd62e654113ecd021d35805e67bfaed5f0260ff65420102423b08 · sha256:0d4769164e5f46cf… · /containers/cna/metrics/0/cvssV3_1

Source references

8 source assertions

{"url":"https://git.kernel.org/stable/c/0e3c739a2f6fc1de5b19a8839ab80696b9cb2a29"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:36b9fd55d21fd62e654113ecd021d35805e67bfaed5f0260ff65420102423b08 · sha256:0d4769164e5f46cf… · /containers/cna/references/6

{"url":"https://git.kernel.org/stable/c/266d3dd8b757b48a576e90f018b51f7b7563cc32"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:36b9fd55d21fd62e654113ecd021d35805e67bfaed5f0260ff65420102423b08 · sha256:0d4769164e5f46cf… · /containers/cna/references/7

{"url":"https://git.kernel.org/stable/c/5cdb25f144b101083d8bf3fd023ad87fbe6850d7"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:36b9fd55d21fd62e654113ecd021d35805e67bfaed5f0260ff65420102423b08 · sha256:0d4769164e5f46cf… · /containers/cna/references/2

{"url":"https://git.kernel.org/stable/c/632666a63116d8061c62a988d1ca39dcd6d27c9b"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:36b9fd55d21fd62e654113ecd021d35805e67bfaed5f0260ff65420102423b08 · sha256:0d4769164e5f46cf… · /containers/cna/references/1

{"url":"https://git.kernel.org/stable/c/6ba6f6783be2ffeb2cbcdc9321c4b9f708f796f7"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:36b9fd55d21fd62e654113ecd021d35805e67bfaed5f0260ff65420102423b08 · sha256:0d4769164e5f46cf… · /containers/cna/references/5

{"url":"https://git.kernel.org/stable/c/8e454e9d0bc03446d610ee49abec9dfd424f6541"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:36b9fd55d21fd62e654113ecd021d35805e67bfaed5f0260ff65420102423b08 · sha256:0d4769164e5f46cf… · /containers/cna/references/0

{"url":"https://git.kernel.org/stable/c/982c9f92d57bda2b769851ff6d90d43dcf5f3734"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:36b9fd55d21fd62e654113ecd021d35805e67bfaed5f0260ff65420102423b08 · sha256:0d4769164e5f46cf… · /containers/cna/references/3

{"url":"https://git.kernel.org/stable/c/a36ca93a8ba57464e521d70a337d37f069064111"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:36b9fd55d21fd62e654113ecd021d35805e67bfaed5f0260ff65420102423b08 · sha256:0d4769164e5f46cf… · /containers/cna/references/4

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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