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CVE-2026-52918

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: serialize accept_q access bt_sock_poll() walks the accept queue without synchronization, while child teardown can unlink the same socket and drop its last reference. The unsynchronized accept queue walk has existed since the initial Bluetooth import. Protect accept_q with a dedicated lock for queue updates and polling. Also rework bt_accept_dequeue() to take temporary child references under the queue lock before dr
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:097f3586a7aa363d3c941e95b0be6a0e7b2c2c7a6f4932a4b9e085cd5f7e115a
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":["include/net/bluetooth/bluetooth.h","net/bluetooth/af_bluetooth.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"d9ce4de05df2385c19e2c7d12f529144e1a44af1","status":"affected","version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","versionType":"git"},{"lessThan":"41c8c1c7923e86e0eb59cfb4279349112756a336","status":"affected","version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","versionType":"git"},{"lessThan":"4ec17782fd186f901a7329605d11048b085b945a","status":"af…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:5a18439303cbdd0131ad85e4b1b925f3ba238e9f9587ee7c090a6e46dd514e50 · sha256:b4e7223adaf91eb9… · /containers/cna/affected/0

{"defaultStatus":"affected","product":"Linux","programFiles":["include/net/bluetooth/bluetooth.h","net/bluetooth/af_bluetooth.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"2.6.12"},{"lessThan":"2.6.12","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.259","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.210","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","versi…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:5a18439303cbdd0131ad85e4b1b925f3ba238e9f9587ee7c090a6e46dd514e50 · sha256:b4e7223adaf91eb9… · /containers/cna/affected/1

Affected products and versions

2 source assertions
{"defaultStatus":"unaffected","product":"Linux","programFiles":["include/net/bluetooth/bluetooth.h","net/bluetooth/af_bluetooth.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"d9ce4de05df2385c19e2c7d12f529144e1a44af1","status":"affected","version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","versionType":"git"},{"lessThan":"41c8c1c7923e86e0eb59cfb4279349112756a336","status":"affected","version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","versionType":"git"},{"lessThan":"4ec17782fd186f901a7329605d11048b085b945a","status":"af…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:5a18439303cbdd0131ad85e4b1b925f3ba238e9f9587ee7c090a6e46dd514e50 · sha256:b4e7223adaf91eb9… · /containers/cna/affected/0
{"defaultStatus":"affected","product":"Linux","programFiles":["include/net/bluetooth/bluetooth.h","net/bluetooth/af_bluetooth.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"2.6.12"},{"lessThan":"2.6.12","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.259","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.210","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","versi…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:5a18439303cbdd0131ad85e4b1b925f3ba238e9f9587ee7c090a6e46dd514e50 · sha256:b4e7223adaf91eb9… · /containers/cna/affected/1

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:v2:5a18439303cbdd0131ad85e4b1b925f3ba238e9f9587ee7c090a6e46dd514e50 · sha256:b4e7223adaf91eb9… · /containers/cna/metrics/0/cvssV3_1

Source references

8 source assertions
{"url":"https://git.kernel.org/stable/c/41c8c1c7923e86e0eb59cfb4279349112756a336"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:5a18439303cbdd0131ad85e4b1b925f3ba238e9f9587ee7c090a6e46dd514e50 · sha256:b4e7223adaf91eb9… · /containers/cna/references/1
{"url":"https://git.kernel.org/stable/c/4ec17782fd186f901a7329605d11048b085b945a"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:5a18439303cbdd0131ad85e4b1b925f3ba238e9f9587ee7c090a6e46dd514e50 · sha256:b4e7223adaf91eb9… · /containers/cna/references/2
{"url":"https://git.kernel.org/stable/c/85f8674cae82053f1e6bab295f6a8422cca14db5"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:5a18439303cbdd0131ad85e4b1b925f3ba238e9f9587ee7c090a6e46dd514e50 · sha256:b4e7223adaf91eb9… · /containers/cna/references/4
{"url":"https://git.kernel.org/stable/c/8b4c412e001b0c670eb937beab491af974da55b3"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:5a18439303cbdd0131ad85e4b1b925f3ba238e9f9587ee7c090a6e46dd514e50 · sha256:b4e7223adaf91eb9… · /containers/cna/references/5
{"url":"https://git.kernel.org/stable/c/a218bf69eb51fefe59a3976fa8925261141f681c"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:5a18439303cbdd0131ad85e4b1b925f3ba238e9f9587ee7c090a6e46dd514e50 · sha256:b4e7223adaf91eb9… · /containers/cna/references/6
{"url":"https://git.kernel.org/stable/c/be43e6b4043113c3b3cf887c3c8350f67140274c"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:5a18439303cbdd0131ad85e4b1b925f3ba238e9f9587ee7c090a6e46dd514e50 · sha256:b4e7223adaf91eb9… · /containers/cna/references/3
{"url":"https://git.kernel.org/stable/c/d9ce4de05df2385c19e2c7d12f529144e1a44af1"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:5a18439303cbdd0131ad85e4b1b925f3ba238e9f9587ee7c090a6e46dd514e50 · sha256:b4e7223adaf91eb9… · /containers/cna/references/0
{"url":"https://git.kernel.org/stable/c/e83f5e24da741fa9405aeeff00b08c5ee7c37b88"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:5a18439303cbdd0131ad85e4b1b925f3ba238e9f9587ee7c090a6e46dd514e50 · sha256:b4e7223adaf91eb9… · /containers/cna/references/7

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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