Bluetooth: L2CAP: Fix null-ptr-deref in l2cap_sock_state_change_cb()
Summary
| CVE | CVE-2026-45834 |
|---|---|
| State | PUBLISHED |
| Assigner | Linux |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-05-26 17:16:48 UTC |
| Updated | 2026-06-01 17:17:11 UTC |
| Description | In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix null-ptr-deref in l2cap_sock_state_change_cb() Add the same NULL guard already present in l2cap_sock_resume_cb() and l2cap_sock_ready_cb(). |
Risk And Classification
EPSS: 0.000240000 probability, percentile 0.070110000 (date 2026-06-01)
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | Linux | Linux | affected 89bc500e41fc5b48e0573e6b0d927fc97b8951dc 1b1c0da227bf63479bac9982fc8d12df9aaea0fb git | Not specified |
| CNA | Linux | Linux | affected 89bc500e41fc5b48e0573e6b0d927fc97b8951dc 85426e97dc72f2088ba6d27e74cd58c3fbd43e31 git | Not specified |
| CNA | Linux | Linux | affected 89bc500e41fc5b48e0573e6b0d927fc97b8951dc 0c17c8832562b2aac288e89cefd0f46074f54bcb git | Not specified |
| CNA | Linux | Linux | affected 89bc500e41fc5b48e0573e6b0d927fc97b8951dc 5105f3e6b2df619c635b5f6a49fac131a36c7952 git | Not specified |
| CNA | Linux | Linux | affected 89bc500e41fc5b48e0573e6b0d927fc97b8951dc c88c185ae0a1067823661b220aeea613df2c127b git | Not specified |
| CNA | Linux | Linux | affected 89bc500e41fc5b48e0573e6b0d927fc97b8951dc 1810e42ff6716f320c7269d5850eca48b07b7427 git | Not specified |
| CNA | Linux | Linux | affected 89bc500e41fc5b48e0573e6b0d927fc97b8951dc a2dcf1a61d056aef15b63c6eae9441344d624389 git | Not specified |
| CNA | Linux | Linux | affected 89bc500e41fc5b48e0573e6b0d927fc97b8951dc 2ff1a41a912de8517b4482e946dd951b7d80edbf git | Not specified |
| CNA | Linux | Linux | affected 3.1 | Not specified |
| CNA | Linux | Linux | unaffected 3.1 semver | Not specified |
| CNA | Linux | Linux | unaffected 5.10.258 5.10.* semver | Not specified |
| CNA | Linux | Linux | unaffected 5.15.209 5.15.* semver | Not specified |
| CNA | Linux | Linux | unaffected 6.1.175 6.1.* semver | Not specified |
| CNA | Linux | Linux | unaffected 6.6.140 6.6.* semver | Not specified |
| CNA | Linux | Linux | unaffected 6.12.88 6.12.* semver | Not specified |
| CNA | Linux | Linux | unaffected 6.18.30 6.18.* semver | Not specified |
| CNA | Linux | Linux | unaffected 7.0.7 7.0.* semver | Not specified |
| CNA | Linux | Linux | unaffected 7.1-rc3 * original_commit_for_fix | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| git.kernel.org/stable/c/1b1c0da227bf63479bac9982fc8d12df9aaea0fb | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/2ff1a41a912de8517b4482e946dd951b7d80edbf | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/85426e97dc72f2088ba6d27e74cd58c3fbd43e31 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/5105f3e6b2df619c635b5f6a49fac131a36c7952 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/c88c185ae0a1067823661b220aeea613df2c127b | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/1810e42ff6716f320c7269d5850eca48b07b7427 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/0c17c8832562b2aac288e89cefd0f46074f54bcb | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/a2dcf1a61d056aef15b63c6eae9441344d624389 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
There are currently no legacy QID mappings associated with this CVE.