CVE-2022-50441 — NULL Pointer Dereference in Linux

CWE-476 — NULL Pointer DereferenceCWE-820 — Missing Synchronization5 documents5 sources
Severity
5.5MEDIUMNVD
EPSS
0.0%
top 98.22%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
LinuxLinux KernelDebian Linux
Timeline
PublishedOct 1

Description

In the Linux kernel, the following vulnerability has been resolved: net/mlx5: Lag, fix failure to cancel delayed bond work Commit 0d4e8ed139d8 ("net/mlx5: Lag, avoid lockdep warnings") accidentally removed a call to cancel delayed bond work thus it may cause queued delay to expire and fall on an already destroyed work queue. Fix by restoring the call cancel_delayed_work_sync() before destroying the workqueue. This prevents call trace such as this: [ 329.230417] BUG: kernel NULL pointer dere…

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HExploitability: 1.8 | Impact: 3.6

Affected Packages4 packages

▶NVDlinux/linux_kernel6.0.13 — 6.0.19+3
▶Debianlinux/linux_kernel< 6.1.7-1+2
▶CVEListV5linux/linuxff24a802204620214afa75a5e64280f40015e399 — 5df57bb04e91add52fb67e226209df9a17f06a89+3
▶debiandebian/linux< linux 6.1.7-1 (bookworm)

Patches

Patch: git.kernel.org ↗Patch: git.kernel.org ↗Patch: git.kernel.org ↗

🔴Vulnerability Details

2
OSV
CVE-2022-50441: In the Linux kernel, the following vulnerability has been resolved: net/mlx5: Lag, fix failure to cancel delayed bond work Commit 0d4e8ed139d8 ("net/m↗2025-10-01
▶
GHSA
GHSA-87gh-wrhg-pfjq: In the Linux kernel, the following vulnerability has been resolved: net/mlx5: Lag, fix failure to cancel delayed bond work Commit 0d4e8ed139d8 ("net↗2025-10-01
▶

📋Vendor Advisories

2
Red Hat
kernel: net/mlx5: Lag, fix failure to cancel delayed bond work↗2025-10-01
▶
Debian
CVE-2022-50441: linux - In the Linux kernel, the following vulnerability has been resolved: net/mlx5: L...↗2022
▶