Unrated severityNVD Advisory· Published Sep 18, 2025· Updated Jan 14, 2026
mm: /proc/pid/smaps_rollup: fix no vma's null-deref
CVE-2022-50380
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.
Affected products
2- Linux/Linuxv5Range: 4.19
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
6- git.kernel.org/stable/c/33fc9e26b7cb39f0d4219c875a2451802249c225mitre
- git.kernel.org/stable/c/6bb8769326c46db3058780c0640dcc49d8187b24mitre
- git.kernel.org/stable/c/97898139ca9b81ba9322a585e07490983c53b55amitre
- git.kernel.org/stable/c/a50ed2d28727ff605d95fb9a53be8ff94e8eaaf4mitre
- git.kernel.org/stable/c/c4c84f06285e48f80e9843d0775ad92714ffc35amitre
- git.kernel.org/stable/c/dbe863bce7679c7f5ec0e993d834fe16c5e687b5mitre
News mentions
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