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Medium 5.5Published May 26, 2026
CVE-2026-45836Bluetooth: L2CAP: Fix null-ptr-deref in l2cap_sock_get_sndtimeo_cb()
Updated under an hour ago ()
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It affects Linux and 2 other products. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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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().
- CVSS
- 5.5 MEDIUM (v3.1, NVD)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- Weakness (CWE)
- Not given
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Linux
- NVD analysis
- Modified
- Record last updated
- Oct 15, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Linux Linux linux:linux (from the name) | from 8d836d71e2223b8961b21112bb4ce89ef8231682 before fd072f833147b0bc10c43a454624cb99d02f3fc7; 8d836d71e2223b8961b21112bb4ce89ef8231682 builds before 6e8d1a2a677a81caa60cf0aabd4217bd585fbba1; from 8d836d71e2223b8961b21112bb4ce89ef8231682 before e1863e7480feddb90125d0dd5a1b572972d75908; from 8d836d71e2223b8961b21112bb4ce89ef8231682 before cf1fd517f892ded88168df878f834b625133f86d; from 8d836d71e2223b8961b21112bb4ce89ef8231682 before 58dc5e3d8768e121907608e6e196a908512fb083; from 8d836d71e2223b8961b21112bb4ce89ef8231682 before 32bd343803d4ba47cc516f9d5f037f01b855d767; from 8d836d71e2223b8961b21112bb4ce89ef8231682 before a93d66907dd4d29b65c9797a93784bf61906d6d6; from 8d836d71e2223b8961b21112bb4ce89ef8231682 before 78a88d43dab8d23aeef934ed8ce34d40e6b3d613 | CNA record |
Siemens SIMATIC S7-1500 TM MFP - GNU/Linux subsystem siemens:simatic_s7_1500_tm_mfp_gnu_linux_subsystem (from the name) | all versions | CISA ADP |
linux linux_kernel linux:linux_kernel | from 3.13 before 5.10.258; from 5.11 before 5.15.209; from 5.16 before 6.1.175; from 6.2 before 6.6.140; from 6.7 before 6.12.90; from 6.13 before 6.18.30; from 6.19 before 7.0.7; 7.1; and 1 more ranges | NVD |
References
- https://git.kernel.org/stable/c/fd072f833147b0bc10c43a454624cb99d02f3fc7patch
- https://git.kernel.org/stable/c/6e8d1a2a677a81caa60cf0aabd4217bd585fbba1patch
- https://git.kernel.org/stable/c/e1863e7480feddb90125d0dd5a1b572972d75908patch
- https://git.kernel.org/stable/c/cf1fd517f892ded88168df878f834b625133f86dpatch
- https://git.kernel.org/stable/c/58dc5e3d8768e121907608e6e196a908512fb083patch
- https://git.kernel.org/stable/c/32bd343803d4ba47cc516f9d5f037f01b855d767patch
- https://git.kernel.org/stable/c/a93d66907dd4d29b65c9797a93784bf61906d6d6patch
- https://git.kernel.org/stable/c/78a88d43dab8d23aeef934ed8ce34d40e6b3d613patch
- https://cert-portal.siemens.com/productcert/html/ssa-784472.html
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.