CVE-2022-50380

MediumCVSS 5.5/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 5.5/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-476

Affected software

VendorProductVersions
LinuxLinux>= 258f669e7e88c18edbc23fe5ce00a476b924551f, < dbe863bce7679c7f5ec0e993d834fe16c5e687b5; >= 258f669e7e88c18edbc23fe5ce00a476b924551f, < 6bb8769326c46db3058780c0640dcc49d8187b24; >= 258f669e7e88c18edbc23fe5ce00a476b924551f, < a50ed2d28727ff605d95fb9a53be8ff94e8eaaf4; >= 258f669e7e88c18edbc23fe5ce00a476b924551f, < 33fc9e26b7cb39f0d4219c875a2451802249c225; >= 258f669e7e88c18edbc23fe5ce00a476b924551f, < 97898139ca9b81ba9322a585e07490983c53b55a; >= 258f669e7e88c18edbc23fe5ce00a476b924551f, < c4c84f06285e48f80e9843d0775ad92714ffc35a
LinuxLinux4.19

References

Timeline

Published
Sep 18, 2025
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2022-50380: Medium severity, CVSS 5.5 | Vulnix