Bug 2396418 (CVE-2022-50380) - CVE-2022-50380 kernel: mm: /proc/pid/smaps_rollup: fix no vma's null-deref
Summary: CVE-2022-50380 kernel: mm: /proc/pid/smaps_rollup: fix no vma's null-deref
Keywords:
Status: NEW
Alias: CVE-2022-50380
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2025-09-18 14:03 UTC by OSIDB Bzimport
Modified: 2025-09-25 12:19 UTC (History)
0 users

Fixed In Version:
Clone Of:
Environment:
Last Closed:
Embargoed:

Attachments (Terms of Use)

Description OSIDB Bzimport 2025-09-18 14:03:52 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 Keith Grant 2025-09-18 15:08:30 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2025091851-CVE-2022-50380-25c9@gregkh/T
Note You need to log in before you can comment on or make changes to this bug.