Back
CVE-2026-45835Bluetooth: L2CAP: Fix null-ptr-deref in l2cap_sock_new_connection_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_new_connection_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 (13 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 80808e431e1ef25856457de82ce141bed6a6313a – < 140b63cb46f2855ac4ec8fba2f1e974a9c2974e8
- affected 80808e431e1ef25856457de82ce141bed6a6313a – < 2422eaed0925973c0f318c94eb13e76f14c7381e
- affected 80808e431e1ef25856457de82ce141bed6a6313a – < 684a1f9ee2325437ae18ac5371884e4c6a25ae73
- affected 80808e431e1ef25856457de82ce141bed6a6313a – < ab77c8bc30269bee15d917059a66bea48909f5f0
- affected 80808e431e1ef25856457de82ce141bed6a6313a – < bc3bb9f40da8e53896abc2d29c6d0c6686fe4ab9
- affected 80808e431e1ef25856457de82ce141bed6a6313a – < 741e6024e31587b0c021b6616a9e428a4ea0b64a
- affected 80808e431e1ef25856457de82ce141bed6a6313a – < 76083fb80f5a38ac13326b2d810f66bd07771eea
- affected 80808e431e1ef25856457de82ce141bed6a6313a – < 0a120d96166301d7a95be75b52f843837dbd1219
- affected 3.1
- unaffected < 3.1
- 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 6.12.88 – ≤ 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/140b63cb46f2855ac4ec8fba2f1e974a9c2974e8 (opens in a new tab)
- https://git.kernel.org/stable/c/2422eaed0925973c0f318c94eb13e76f14c7381e (opens in a new tab)
- https://git.kernel.org/stable/c/684a1f9ee2325437ae18ac5371884e4c6a25ae73 (opens in a new tab)
- https://git.kernel.org/stable/c/ab77c8bc30269bee15d917059a66bea48909f5f0 (opens in a new tab)
- https://git.kernel.org/stable/c/bc3bb9f40da8e53896abc2d29c6d0c6686fe4ab9 (opens in a new tab)
- https://git.kernel.org/stable/c/741e6024e31587b0c021b6616a9e428a4ea0b64a (opens in a new tab)
- https://git.kernel.org/stable/c/76083fb80f5a38ac13326b2d810f66bd07771eea (opens in a new tab)
- https://git.kernel.org/stable/c/0a120d96166301d7a95be75b52f843837dbd1219 (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-2026-31857 (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-2026-45835)Record last updated .