CVEvulnerability
CVE-2022-50380
5.5 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2025-09-18
- Last modified
- 2026-06-17
- Assigner
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67
- CVSS 3.1 ([email protected])
- 5.5 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
- 5.5 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- Weaknesses
- CWE-476
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 configurations
• linux linux kernel (>= 4.19 < 4.19.264)
• linux linux kernel (>= 4.20 < 5.4.221)
• linux linux kernel (>= 5.5 < 5.10.152)
• linux linux kernel (>= 5.11 < 5.15.76)
• linux linux kernel (>= 5.16 < 6.0.6)
Related
Weakness · CWE (1)
- CWE-476 NULL Pointer Dereference weakness
References
- https://git.kernel.org/stable/c/33fc9e26b7cb39f0d4219c875a2451802249c225 Patch
- https://git.kernel.org/stable/c/6bb8769326c46db3058780c0640dcc49d8187b24 Patch
- https://git.kernel.org/stable/c/97898139ca9b81ba9322a585e07490983c53b55a Patch
- https://git.kernel.org/stable/c/a50ed2d28727ff605d95fb9a53be8ff94e8eaaf4 Patch
- https://git.kernel.org/stable/c/c4c84f06285e48f80e9843d0775ad92714ffc35a Patch
- https://git.kernel.org/stable/c/dbe863bce7679c7f5ec0e993d834fe16c5e687b5 Patch