CVE Explorer

CVE-2026-64434

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix UAF in channel timeout by holding conn ref l2cap_chan_timeout() runs asynchronously and accesses chan->conn. If the connection is torn down while the timer is running or pending, chan->conn can be freed, leading to a use-after-free when the timer worker attempts to lock conn->lock: | BUG: KASAN: slab-use-after-free in instrument_atomic_read_write include/linux/instrumented.h:112 [inline] | BUG: KASAN: sl

Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:cdea29bf21a68cc3ea8b6a80ff4f55d15405e8dc1a0afdc65492eaf2d30016eb

Known exploited

Not asserted

Disputed

Stale source

Conflicts

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 2 assertions

{"defaultStatus":"affected","product":"Linux","programFiles":["include/net/bluetooth/l2cap.h","net/bluetooth/l2cap_core.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"7.1"},{"lessThan":"7.1","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.145","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.97","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.39",…

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:8da33a21a452077c3f4ad4eaab63bc8ed985672a3c793d5a4e747338222c05f7 · sha256:ac2f2ba5a60021e6… · /containers/cna/affected/1

{"defaultStatus":"unaffected","product":"Linux","programFiles":["include/net/bluetooth/l2cap.h","net/bluetooth/l2cap_core.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"91047a4396a8b1857a6f712a90cf33ec0012b189","status":"affected","version":"89dec92041717b027216e110599e4f6d6c921b79","versionType":"git"},{"lessThan":"0b0e2bf39cf99e458d991b9df253727e036a7d7d","status":"affected","version":"50dfec218808b148ab4247b1858031b7a32015c5","versionType":"git"},{"lessThan":"d3b739db5dc6f688a60d56da872fabaf65246032","status":"affected…

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:8da33a21a452077c3f4ad4eaab63bc8ed985672a3c793d5a4e747338222c05f7 · sha256:ac2f2ba5a60021e6… · /containers/cna/affected/0

Affected products and versions

2 source assertions

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:8da33a21a452077c3f4ad4eaab63bc8ed985672a3c793d5a4e747338222c05f7 · sha256:ac2f2ba5a60021e6… · /containers/cna/affected/1

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:8da33a21a452077c3f4ad4eaab63bc8ed985672a3c793d5a4e747338222c05f7 · sha256:ac2f2ba5a60021e6… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion

{"metric":{"baseScore":8.8,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:A/AC:L/PR:N/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:v2:8da33a21a452077c3f4ad4eaab63bc8ed985672a3c793d5a4e747338222c05f7 · sha256:ac2f2ba5a60021e6… · /containers/cna/metrics/0/cvssV3_1

Source references

5 source assertions

{"url":"https://git.kernel.org/stable/c/0b0e2bf39cf99e458d991b9df253727e036a7d7d"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:8da33a21a452077c3f4ad4eaab63bc8ed985672a3c793d5a4e747338222c05f7 · sha256:ac2f2ba5a60021e6… · /containers/cna/references/1

{"url":"https://git.kernel.org/stable/c/50c38d9f42a529691e4e67ea9cedf4f0bfc8d277"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:8da33a21a452077c3f4ad4eaab63bc8ed985672a3c793d5a4e747338222c05f7 · sha256:ac2f2ba5a60021e6… · /containers/cna/references/3

{"url":"https://git.kernel.org/stable/c/91047a4396a8b1857a6f712a90cf33ec0012b189"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:8da33a21a452077c3f4ad4eaab63bc8ed985672a3c793d5a4e747338222c05f7 · sha256:ac2f2ba5a60021e6… · /containers/cna/references/0

{"url":"https://git.kernel.org/stable/c/b66774b48dd98f07254951f74ea6f513efe7ff8b"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:8da33a21a452077c3f4ad4eaab63bc8ed985672a3c793d5a4e747338222c05f7 · sha256:ac2f2ba5a60021e6… · /containers/cna/references/4

{"url":"https://git.kernel.org/stable/c/d3b739db5dc6f688a60d56da872fabaf65246032"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:8da33a21a452077c3f4ad4eaab63bc8ed985672a3c793d5a4e747338222c05f7 · sha256:ac2f2ba5a60021e6… · /containers/cna/references/2

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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