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

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation none

Automatable no

Technical Impact partial

Affected Vendors & Products

Vendors Products
Linux
  • Linux Kernel

Configuration 1 [-]

OR cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

No data.

References
Link Providers
https://git.kernel.org/stable/c/33fc9e26b7cb39f0d4219c875a2451802249c225 cve-icon cve-icon
https://git.kernel.org/stable/c/6bb8769326c46db3058780c0640dcc49d8187b24 cve-icon cve-icon
https://git.kernel.org/stable/c/97898139ca9b81ba9322a585e07490983c53b55a cve-icon cve-icon
https://git.kernel.org/stable/c/a50ed2d28727ff605d95fb9a53be8ff94e8eaaf4 cve-icon cve-icon
https://git.kernel.org/stable/c/c4c84f06285e48f80e9843d0775ad92714ffc35a cve-icon cve-icon
https://git.kernel.org/stable/c/dbe863bce7679c7f5ec0e993d834fe16c5e687b5 cve-icon cve-icon
https://lore.kernel.org/linux-cve-announce/2025091851-CVE-2022-50380-25c9@gregkh/T cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2022-50380 cve-icon
https://www.cve.org/CVERecord?id=CVE-2022-50380 cve-icon
History

Wed, 14 Jan 2026 19:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Thu, 11 Dec 2025 18:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-476
CPEs cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

Fri, 10 Oct 2025 16:15:00 +0000

Type Values Removed Values Added
References

Fri, 19 Sep 2025 09:45:00 +0000

Type Values Removed Values Added
First Time appeared Linux
Linux linux Kernel
Vendors & Products Linux
Linux linux Kernel

Fri, 19 Sep 2025 00:15:00 +0000

Type Values Removed Values Added
References
Metrics threat_severity

None

 cvssV3_1

{'score': 5.5, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H'}

threat_severity

Moderate

Thu, 18 Sep 2025 13:45:00 +0000

Type Values Removed Values Added
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.
Title mm: /proc/pid/smaps_rollup: fix no vma's null-deref
References
cve-icon MITRE

Status: PUBLISHED

Assigner: Linux

Published: 2025-09-18T13:33:02.472Z

Updated: 2026-01-14T18:53:03.845Z

Reserved: 2025-09-17T14:53:06.996Z

Link: CVE-2022-50380

cve-icon Vulnrichment

Updated: 2026-01-14T18:47:26.428Z

cve-icon NVD

Status : Modified

Published: 2025-09-18T14:15:36.767

Modified: 2026-01-14T19:16:11.760

Link: CVE-2022-50380

cve-icon Redhat

Severity : Moderate

Publid Date: 2025-09-18T00:00:00Z

Links: CVE-2022-50380 - Bugzilla