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CVE-2026-53256

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: RFCOMM: hold listener socket in rfcomm_connect_ind() rfcomm_get_sock_by_channel() scans rfcomm_sk_list under the list lock, but returns the selected listener after dropping that lock without taking a reference. rfcomm_connect_ind() then locks the listener, queues a child socket on it, and may notify it after unlocking it. The buggy scenario involves two paths, with each column showing the order within that path: r
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:fd245c1bc09a5fed3cdacf85e5130be7e7b91110ddb805647ad45b9a0040c30b
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":["net/bluetooth/rfcomm/sock.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"f5ec76bdbeb80f75ad0be204371afffee0f8fac8","status":"affected","version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","versionType":"git"},{"lessThan":"a07d741c077d4e34b16458241a94d29039386553","status":"affected","version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","versionType":"git"},{"lessThan":"1f73f92f66251065a5f39b09a47cf05ea14d3107","status":"affected","version":"1da177e4c3f41524e8…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:32dbd1244ec87d31ecc491a8de659b0c9417481696d5c386b3086035d376b73e · sha256:1422c0ea3483e99e… · /containers/cna/affected/0

{"defaultStatus":"affected","product":"Linux","programFiles":["net/bluetooth/rfcomm/sock.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","version":"6.1.176","versionType":"semver"}…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:32dbd1244ec87d31ecc491a8de659b0c9417481696d5c386b3086035d376b73e · sha256:1422c0ea3483e99e… · /containers/cna/affected/1

Affected products and versions

2 source assertions
{"defaultStatus":"unaffected","product":"Linux","programFiles":["net/bluetooth/rfcomm/sock.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"f5ec76bdbeb80f75ad0be204371afffee0f8fac8","status":"affected","version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","versionType":"git"},{"lessThan":"a07d741c077d4e34b16458241a94d29039386553","status":"affected","version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","versionType":"git"},{"lessThan":"1f73f92f66251065a5f39b09a47cf05ea14d3107","status":"affected","version":"1da177e4c3f41524e8…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:32dbd1244ec87d31ecc491a8de659b0c9417481696d5c386b3086035d376b73e · sha256:1422c0ea3483e99e… · /containers/cna/affected/0
{"defaultStatus":"affected","product":"Linux","programFiles":["net/bluetooth/rfcomm/sock.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","version":"6.1.176","versionType":"semver"}…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:32dbd1244ec87d31ecc491a8de659b0c9417481696d5c386b3086035d376b73e · sha256:1422c0ea3483e99e… · /containers/cna/affected/1

Provider-owned CVSS observations

1 source assertion
{"metric":{"baseScore":8,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:A/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:v2:32dbd1244ec87d31ecc491a8de659b0c9417481696d5c386b3086035d376b73e · sha256:1422c0ea3483e99e… · /containers/cna/metrics/0/cvssV3_1

Source references

8 source assertions
{"url":"https://git.kernel.org/stable/c/1f73f92f66251065a5f39b09a47cf05ea14d3107"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:32dbd1244ec87d31ecc491a8de659b0c9417481696d5c386b3086035d376b73e · sha256:1422c0ea3483e99e… · /containers/cna/references/2
{"url":"https://git.kernel.org/stable/c/43c441edacf953b39517a44f5e5e10a93618b226"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:32dbd1244ec87d31ecc491a8de659b0c9417481696d5c386b3086035d376b73e · sha256:1422c0ea3483e99e… · /containers/cna/references/7
{"url":"https://git.kernel.org/stable/c/6f4462d12133106460d7c046b95aad2491e3fddf"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:32dbd1244ec87d31ecc491a8de659b0c9417481696d5c386b3086035d376b73e · sha256:1422c0ea3483e99e… · /containers/cna/references/6
{"url":"https://git.kernel.org/stable/c/8802413ce63175fb522a2bd609fb043a3550c720"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:32dbd1244ec87d31ecc491a8de659b0c9417481696d5c386b3086035d376b73e · sha256:1422c0ea3483e99e… · /containers/cna/references/5
{"url":"https://git.kernel.org/stable/c/a07d741c077d4e34b16458241a94d29039386553"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:32dbd1244ec87d31ecc491a8de659b0c9417481696d5c386b3086035d376b73e · sha256:1422c0ea3483e99e… · /containers/cna/references/1
{"url":"https://git.kernel.org/stable/c/b0e33e409715c617e2a20f46f99aa5403a14dfda"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:32dbd1244ec87d31ecc491a8de659b0c9417481696d5c386b3086035d376b73e · sha256:1422c0ea3483e99e… · /containers/cna/references/4
{"url":"https://git.kernel.org/stable/c/de31973ef00e5aa55496f84cf6a44bb157a34e02"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:32dbd1244ec87d31ecc491a8de659b0c9417481696d5c386b3086035d376b73e · sha256:1422c0ea3483e99e… · /containers/cna/references/3
{"url":"https://git.kernel.org/stable/c/f5ec76bdbeb80f75ad0be204371afffee0f8fac8"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:32dbd1244ec87d31ecc491a8de659b0c9417481696d5c386b3086035d376b73e · sha256:1422c0ea3483e99e… · /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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