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CVE-2026-43322

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hci_sync: Fix UAF in le_read_features_complete This fixes the following backtrace caused by hci_conn being freed before le_read_features_complete but after hci_le_read_remote_features_sync so hci_conn_del -> hci_cmd_sync_dequeue is not able to prevent it: ================================================================== BUG: KASAN: slab-use-after-free in instrument_atomic_read_write include/linux/instrumented.h:96
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:0b7677bbd4199ce0e719403e54b3c80b57c973db3bce8abc1c65d90338ca0f91
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":["net/bluetooth/hci_sync.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.19"},{"lessThan":"6.19","status":"unaffected","version":"0","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:b240fefcc953f813e9ff8dc39a7de85b3c3002de1b11bfd8de32ae6f674a4865 · sha256:0e7e9ef48e29563d… · /containers/cna/affected/1

{"defaultStatus":"unaffected","product":"Linux","programFiles":["net/bluetooth/hci_sync.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"260dc2be643b4a35b27008490c533613e3e53867","status":"affected","version":"a106e50be74b0896583f4d010a69f9806e4194f4","versionType":"git"},{"lessThan":"035c25007c9e698bef3826070ee34bb6d778020c","status":"affected","version":"a106e50be74b0896583f4d010a69f9806e4194f4","versionType":"git"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:b240fefcc953f813e9ff8dc39a7de85b3c3002de1b11bfd8de32ae6f674a4865 · sha256:0e7e9ef48e29563d… · /containers/cna/affected/0

Affected products and versions

2 source assertions
{"defaultStatus":"affected","product":"Linux","programFiles":["net/bluetooth/hci_sync.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.19"},{"lessThan":"6.19","status":"unaffected","version":"0","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:b240fefcc953f813e9ff8dc39a7de85b3c3002de1b11bfd8de32ae6f674a4865 · sha256:0e7e9ef48e29563d… · /containers/cna/affected/1
{"defaultStatus":"unaffected","product":"Linux","programFiles":["net/bluetooth/hci_sync.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"260dc2be643b4a35b27008490c533613e3e53867","status":"affected","version":"a106e50be74b0896583f4d010a69f9806e4194f4","versionType":"git"},{"lessThan":"035c25007c9e698bef3826070ee34bb6d778020c","status":"affected","version":"a106e50be74b0896583f4d010a69f9806e4194f4","versionType":"git"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:b240fefcc953f813e9ff8dc39a7de85b3c3002de1b11bfd8de32ae6f674a4865 · sha256:0e7e9ef48e29563d… · /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:b240fefcc953f813e9ff8dc39a7de85b3c3002de1b11bfd8de32ae6f674a4865 · sha256:0e7e9ef48e29563d… · /containers/cna/metrics/0/cvssV3_1

Source references

2 source assertions
{"url":"https://git.kernel.org/stable/c/035c25007c9e698bef3826070ee34bb6d778020c"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:b240fefcc953f813e9ff8dc39a7de85b3c3002de1b11bfd8de32ae6f674a4865 · sha256:0e7e9ef48e29563d… · /containers/cna/references/1
{"url":"https://git.kernel.org/stable/c/260dc2be643b4a35b27008490c533613e3e53867"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:b240fefcc953f813e9ff8dc39a7de85b3c3002de1b11bfd8de32ae6f674a4865 · sha256:0e7e9ef48e29563d… · /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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