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CVE-2026-53209

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hci_sync: reject oversized Broadcast Announcement prepend Existing advertising instances can already hold the maximum extended advertising payload. When hci_adv_bcast_annoucement() prepends the Broadcast Announcement service data to that payload, the combined data may no longer fit in the temporary buffer used to rebuild the advertising data. Reject that case before copying the existing payload and report the failu
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:894be754422e8df1377d13ceedc66cc996b5dbdbec0046c5fcc70a7f38df97c6
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/hci_sync.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"10b0e832cc05d7aef4b92bed912cbd4a395d0862","status":"affected","version":"63f365eb4d1668a04070151b555d55a07ede8d4b","versionType":"git"},{"lessThan":"1338ee049a8910ba6c9cee963920e978e6893c7d","status":"affected","version":"c621211b308816889f0a3246de448bfcef8ab3ab","versionType":"git"},{"lessThan":"02f50e8bb69f9b22516163a09922f5537d3b12d1","status":"affected","version":"907ef6e12fb558a0763e8…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:f42bb093a938660fda651e3fcdcdfd0e41b5d12a00f0424410c77ed85f9a42b1 · sha256:4cd4ef77f165c97a… · /containers/cna/affected/0

{"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":"6.16"},{"lessThan":"6.16","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.176","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.143","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.94","versionType":"semver"},{"lessTha…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:f42bb093a938660fda651e3fcdcdfd0e41b5d12a00f0424410c77ed85f9a42b1 · sha256:4cd4ef77f165c97a… · /containers/cna/affected/1

Affected products and versions

2 source assertions
{"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":"10b0e832cc05d7aef4b92bed912cbd4a395d0862","status":"affected","version":"63f365eb4d1668a04070151b555d55a07ede8d4b","versionType":"git"},{"lessThan":"1338ee049a8910ba6c9cee963920e978e6893c7d","status":"affected","version":"c621211b308816889f0a3246de448bfcef8ab3ab","versionType":"git"},{"lessThan":"02f50e8bb69f9b22516163a09922f5537d3b12d1","status":"affected","version":"907ef6e12fb558a0763e8…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:f42bb093a938660fda651e3fcdcdfd0e41b5d12a00f0424410c77ed85f9a42b1 · sha256:4cd4ef77f165c97a… · /containers/cna/affected/0
{"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":"6.16"},{"lessThan":"6.16","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.176","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.143","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.94","versionType":"semver"},{"lessTha…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:f42bb093a938660fda651e3fcdcdfd0e41b5d12a00f0424410c77ed85f9a42b1 · sha256:4cd4ef77f165c97a… · /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:f42bb093a938660fda651e3fcdcdfd0e41b5d12a00f0424410c77ed85f9a42b1 · sha256:4cd4ef77f165c97a… · /containers/cna/metrics/0/cvssV3_1

Source references

6 source assertions
{"url":"https://git.kernel.org/stable/c/02f50e8bb69f9b22516163a09922f5537d3b12d1"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f42bb093a938660fda651e3fcdcdfd0e41b5d12a00f0424410c77ed85f9a42b1 · sha256:4cd4ef77f165c97a… · /containers/cna/references/2
{"url":"https://git.kernel.org/stable/c/10b0e832cc05d7aef4b92bed912cbd4a395d0862"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f42bb093a938660fda651e3fcdcdfd0e41b5d12a00f0424410c77ed85f9a42b1 · sha256:4cd4ef77f165c97a… · /containers/cna/references/0
{"url":"https://git.kernel.org/stable/c/1338ee049a8910ba6c9cee963920e978e6893c7d"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f42bb093a938660fda651e3fcdcdfd0e41b5d12a00f0424410c77ed85f9a42b1 · sha256:4cd4ef77f165c97a… · /containers/cna/references/1
{"url":"https://git.kernel.org/stable/c/5c65b96b549ea2dcfde497436bf9e048deb87758"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f42bb093a938660fda651e3fcdcdfd0e41b5d12a00f0424410c77ed85f9a42b1 · sha256:4cd4ef77f165c97a… · /containers/cna/references/5
{"url":"https://git.kernel.org/stable/c/cdd8bbdbee763fdf5bf343e6f7d4e79347739f62"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f42bb093a938660fda651e3fcdcdfd0e41b5d12a00f0424410c77ed85f9a42b1 · sha256:4cd4ef77f165c97a… · /containers/cna/references/4
{"url":"https://git.kernel.org/stable/c/dafc9f57140e66a10945127aa7433c3d715dc253"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f42bb093a938660fda651e3fcdcdfd0e41b5d12a00f0424410c77ed85f9a42b1 · sha256:4cd4ef77f165c97a… · /containers/cna/references/3

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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