CVE-2022-50380

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.

CVSS v3 5.5 MEDIUM

5.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
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

Configurations

Configuration 1 (hide)

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::::::::

History

No history.

Information

Published : 2025-09-18 14:15

Updated : 2026-01-14 19:16

NVD link : CVE-2022-50380

Mitre link : CVE-2022-50380

CVE.ORG link : CVE-2022-50380

JSON object : View

Products Affected

linux

linux_kernel

CWE

CWE-476

NULL Pointer Dereference

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