CVE-2026-45836

EUVD-2026-31858
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().
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
5.5 MEDIUM
LOCAL
LOW
LOW
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 2%
Affected Products (NVD)
VendorProductVersion
linuxlinux_kernel
3.13 ≤
𝑥
< 5.10.258
linuxlinux_kernel
5.11 ≤
𝑥
< 5.15.209
linuxlinux_kernel
5.16 ≤
𝑥
< 6.1.175
linuxlinux_kernel
6.2 ≤
𝑥
< 6.6.140
linuxlinux_kernel
6.7 ≤
𝑥
< 6.12.90
linuxlinux_kernel
6.13 ≤
𝑥
< 6.18.30
linuxlinux_kernel
6.19 ≤
𝑥
< 7.0.7
linuxlinux_kernel
7.1:rc1
linuxlinux_kernel
7.1:rc2
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
linux
bookworm
vulnerable
bookworm (security)
6.1.176-1
fixed
bullseye
vulnerable
bullseye (security)
5.10.259-1
fixed
forky
7.0.13-1
fixed
sid
7.1.3-1
fixed
trixie
vulnerable
trixie (security)
6.12.95-1
fixed
linux-6.1
bullseye (security)
6.1.176-1~deb11u1
fixed
Azure Linux logo
Azure Linux Releases
Azure Package
Release
kernel
Azure Linux 3.0
0:6.6.141.1-1.azl3
fixed
Common Weakness Enumeration
References
https://git.kernel.org/stable/c/32bd343803d4ba47cc516f9d5f037f01b855d767
https://git.kernel.org/stable/c/58dc5e3d8768e121907608e6e196a908512fb083
https://git.kernel.org/stable/c/6e8d1a2a677a81caa60cf0aabd4217bd585fbba1
https://git.kernel.org/stable/c/78a88d43dab8d23aeef934ed8ce34d40e6b3d613
https://git.kernel.org/stable/c/a93d66907dd4d29b65c9797a93784bf61906d6d6
https://git.kernel.org/stable/c/cf1fd517f892ded88168df878f834b625133f86d
https://git.kernel.org/stable/c/e1863e7480feddb90125d0dd5a1b572972d75908
https://git.kernel.org/stable/c/fd072f833147b0bc10c43a454624cb99d02f3fc7