CVE-2022-50380 — NULL Pointer Dereference in Linux

CWE-476 — NULL Pointer Dereference6 documents6 sources
Severity
5.5MEDIUMNVD
EPSS
0.0%
top 95.77%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
4
LinuxLinux KernelDebian Linux+1 more
Timeline
PublishedSep 18

Description

In the Linux kernel, the following vulnerability has been resolved: mm: /proc/pid/smaps_rollup: fix no vma's null-deref Commit 258f669e7e88 ("mm: /proc/pid/smaps_rollup: convert to single value seq_file") introduced a null-deref if there are no vma's in the task in show_smaps_rollup.

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 Packages5 packages

▶NVDlinux/linux_kernel4.19 — 4.19.264+4
▶Debianlinux/linux_kernel< 6.0.6-1+2
▶CVEListV5linux/linux258f669e7e88c18edbc23fe5ce00a476b924551f — dbe863bce7679c7f5ec0e993d834fe16c5e687b5+6
▶debiandebian/linux< linux 6.0.6-1 (bookworm)

Patches

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

🔴Vulnerability Details

2
OSV
CVE-2022-50380: In the Linux kernel, the following vulnerability has been resolved: mm: /proc/pid/smaps_rollup: fix no vma's null-deref Commit 258f669e7e88 ("mm: /pro↗2025-09-18
▶
GHSA
GHSA-g7qm-6vv8-chvq: In the Linux kernel, the following vulnerability has been resolved: mm: /proc/pid/smaps_rollup: fix no vma's null-deref Commit 258f669e7e88 ("mm: /p↗2025-09-18
▶

📋Vendor Advisories

3
Red Hat
kernel: mm: /proc/pid/smaps_rollup: fix no vma's null-deref↗2025-09-18
▶
Microsoft
mm: /proc/pid/smaps_rollup: fix no vma's null-deref↗2025-09-09
▶
Debian
CVE-2022-50380: linux - In the Linux kernel, the following vulnerability has been resolved: mm: /proc/p...↗2022
▶
CVE-2022-50380 — NULL Pointer Dereference in Linux | cvebase