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CVE-2026-45836Bluetooth: L2CAP: Fix null-ptr-deref in l2cap_sock_get_sndtimeo_cb()
- 5.5MediumCVSS base score
- 0.13%Exploitation in 30 daysEPSS · top 98% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix null-ptr-deref in l2cap_sock_get_sndtimeo_cb() Add the same NULL guard already present in l2cap_sock_resume_cb() and l2cap_sock_ready_cb().
Timeline
ID reserved
By Linux
- 13 days later
· 13 days later
Published
- 5 months later
· 5 months later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | Medium5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 0.13% · top 98% of all CVEs (14 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: partial
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.5.
Affected products
- affected 8d836d71e2223b8961b21112bb4ce89ef8231682 – < fd072f833147b0bc10c43a454624cb99d02f3fc7
- affected 8d836d71e2223b8961b21112bb4ce89ef8231682 – < 6e8d1a2a677a81caa60cf0aabd4217bd585fbba1
- affected 8d836d71e2223b8961b21112bb4ce89ef8231682 – < e1863e7480feddb90125d0dd5a1b572972d75908
- affected 8d836d71e2223b8961b21112bb4ce89ef8231682 – < cf1fd517f892ded88168df878f834b625133f86d
- affected 8d836d71e2223b8961b21112bb4ce89ef8231682 – < 58dc5e3d8768e121907608e6e196a908512fb083
- affected 8d836d71e2223b8961b21112bb4ce89ef8231682 – < 32bd343803d4ba47cc516f9d5f037f01b855d767
- affected 8d836d71e2223b8961b21112bb4ce89ef8231682 – < a93d66907dd4d29b65c9797a93784bf61906d6d6
- affected 8d836d71e2223b8961b21112bb4ce89ef8231682 – < 78a88d43dab8d23aeef934ed8ce34d40e6b3d613
- affected 3.13
- unaffected < 3.13
- unaffected 5.10.258 – ≤ 5.10.*
- unaffected 5.15.209 – ≤ 5.15.*
- unaffected 6.1.175 – ≤ 6.1.*
- unaffected 6.6.140 – ≤ 6.6.*
- unaffected 6.12.90 – ≤ 6.12.*
- unaffected 6.18.30 – ≤ 6.18.*
- unaffected 7.0.7 – ≤ 7.0.*
- unaffected 7.1 – ≤ *
References
References9
- https://git.kernel.org/stable/c/fd072f833147b0bc10c43a454624cb99d02f3fc7 (opens in a new tab)
- https://git.kernel.org/stable/c/6e8d1a2a677a81caa60cf0aabd4217bd585fbba1 (opens in a new tab)
- https://git.kernel.org/stable/c/e1863e7480feddb90125d0dd5a1b572972d75908 (opens in a new tab)
- https://git.kernel.org/stable/c/cf1fd517f892ded88168df878f834b625133f86d (opens in a new tab)
- https://git.kernel.org/stable/c/58dc5e3d8768e121907608e6e196a908512fb083 (opens in a new tab)
- https://git.kernel.org/stable/c/32bd343803d4ba47cc516f9d5f037f01b855d767 (opens in a new tab)
- https://git.kernel.org/stable/c/a93d66907dd4d29b65c9797a93784bf61906d6d6 (opens in a new tab)
- https://git.kernel.org/stable/c/78a88d43dab8d23aeef934ed8ce34d40e6b3d613 (opens in a new tab)
- https://cert-portal.siemens.com/productcert/html/ssa-784472.html (opens in a new tab)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2026-31858 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2026-45836)Record last updated .