mm: /proc/pid/smaps_rollup: fix no vma's null-deref
CVE-2022-50502 is fixed in linux on 1 platform, first by DEBIAN-CVE-2022-50502, released October 4, 2025. It is not reported as exploited. Patch Radar priority: Routine.
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.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| linux · Debian 11.6 (bullseye) | 5.5.13-1 | DEBIAN-CVE-2022-50502 | Oct 4, 2025 |
| linux · Debian 12.15 (bookworm) | 5.5.13-1 | DEBIAN-CVE-2022-50502 | Oct 4, 2025 |
| linux · Debian 13.5 (trixie) | 5.5.13-1 | DEBIAN-CVE-2022-50502 | Oct 4, 2025 |
| linux · Debian 14 | 5.5.13-1 | DEBIAN-CVE-2022-50502 | Oct 4, 2025 |
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