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CVE-2026-31513

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix stack-out-of-bounds read in l2cap_ecred_conn_req Syzbot reported a KASAN stack-out-of-bounds read in l2cap_build_cmd() that is triggered by a malformed Enhanced Credit Based Connection Request. The vulnerability stems from l2cap_ecred_conn_req(). The function allocates a local stack buffer (`pdu`) designed to hold a maximum of 5 Source Channel IDs (SCIDs), totaling 18 bytes. When an attacker sends a requ
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:990741fa992a6d18afa62244cd7eb5f21ec0c9811ca01cebd34316f5b7b7fdfa
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/l2cap_core.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"c8e1a27edb8b4e5afb56b384acd7b6c2dec1b7cc","status":"affected","version":"935f324e4b2461df2cf7f02b4195082b4304c708","versionType":"git"},{"lessThan":"5b35f8211a913cfe7ab9d54fa36a272d2059a588","status":"affected","version":"e981a9392800ce2c5bca196a6ab2c55e9370efaa","versionType":"git"},{"lessThan":"a3d9c50d69785ae02e153f000da1b5fd6dbfdf1b","status":"affected","version":"f3fdf2e7276a3edc5df…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:28c70ae25c4989525bf405be3f6015bde0c514a1eda235fbfd1398a5ca14e554 · sha256:994a9539fc4bca41… · /containers/cna/affected/0

{"defaultStatus":"unaffected","product":"Linux","programFiles":["net/bluetooth/l2cap_core.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"6.12.80","status":"affected","version":"6.12.75","versionType":"semver"},{"lessThan":"6.18.21","status":"affected","version":"6.18.16","versionType":"semver"},{"lessThan":"6.19.11","status":"affected","version":"6.19.6","versionType":"semver"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:28c70ae25c4989525bf405be3f6015bde0c514a1eda235fbfd1398a5ca14e554 · sha256:994a9539fc4bca41… · /containers/cna/affected/1

Affected products and versions

2 source assertions
{"defaultStatus":"unaffected","product":"Linux","programFiles":["net/bluetooth/l2cap_core.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"c8e1a27edb8b4e5afb56b384acd7b6c2dec1b7cc","status":"affected","version":"935f324e4b2461df2cf7f02b4195082b4304c708","versionType":"git"},{"lessThan":"5b35f8211a913cfe7ab9d54fa36a272d2059a588","status":"affected","version":"e981a9392800ce2c5bca196a6ab2c55e9370efaa","versionType":"git"},{"lessThan":"a3d9c50d69785ae02e153f000da1b5fd6dbfdf1b","status":"affected","version":"f3fdf2e7276a3edc5df…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:28c70ae25c4989525bf405be3f6015bde0c514a1eda235fbfd1398a5ca14e554 · sha256:994a9539fc4bca41… · /containers/cna/affected/0
{"defaultStatus":"unaffected","product":"Linux","programFiles":["net/bluetooth/l2cap_core.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"6.12.80","status":"affected","version":"6.12.75","versionType":"semver"},{"lessThan":"6.18.21","status":"affected","version":"6.18.16","versionType":"semver"},{"lessThan":"6.19.11","status":"affected","version":"6.19.6","versionType":"semver"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:28c70ae25c4989525bf405be3f6015bde0c514a1eda235fbfd1398a5ca14e554 · sha256:994a9539fc4bca41… · /containers/cna/affected/1

Provider-owned CVSS observations

1 source assertion
{"metric":{"baseScore":8.1,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:28c70ae25c4989525bf405be3f6015bde0c514a1eda235fbfd1398a5ca14e554 · sha256:994a9539fc4bca41… · /containers/cna/metrics/0/cvssV3_1

Source references

4 source assertions
{"url":"https://git.kernel.org/stable/c/5b35f8211a913cfe7ab9d54fa36a272d2059a588"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:28c70ae25c4989525bf405be3f6015bde0c514a1eda235fbfd1398a5ca14e554 · sha256:994a9539fc4bca41… · /containers/cna/references/1
{"url":"https://git.kernel.org/stable/c/9d87cb22195b2c67405f5485d525190747ad5493"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:28c70ae25c4989525bf405be3f6015bde0c514a1eda235fbfd1398a5ca14e554 · sha256:994a9539fc4bca41… · /containers/cna/references/3
{"url":"https://git.kernel.org/stable/c/a3d9c50d69785ae02e153f000da1b5fd6dbfdf1b"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:28c70ae25c4989525bf405be3f6015bde0c514a1eda235fbfd1398a5ca14e554 · sha256:994a9539fc4bca41… · /containers/cna/references/2
{"url":"https://git.kernel.org/stable/c/c8e1a27edb8b4e5afb56b384acd7b6c2dec1b7cc"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:28c70ae25c4989525bf405be3f6015bde0c514a1eda235fbfd1398a5ca14e554 · sha256:994a9539fc4bca41… · /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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