Bug 2401479 (CVE-2022-50502) - CVE-2022-50502 kernel: mm: /proc/pid/smaps_rollup: fix no vma's null-deref
Summary: CVE-2022-50502 kernel: mm: /proc/pid/smaps_rollup: fix no vma's null-deref
Keywords:
Status: NEW
Alias: CVE-2022-50502
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
low
low
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2025-10-04 16:02 UTC by OSIDB Bzimport
Modified: 2025-10-06 16:30 UTC (History)
0 users

Fixed In Version:
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Description OSIDB Bzimport 2025-10-04 16:02:49 UTC 
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.
Comment 1 Alexander B 2025-10-06 16:28:32 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2025100421-CVE-2022-50502-c819@gregkh/T
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