PT-2025-38328 · Linux+1 · Linux Kernel+1

Published 2025-09-18 · Updated 2026-04-20 · CVE-2022-50380

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)

Description A null dereference issue was resolved in the Linux kernel related to the /proc/pid/smaps rollup functionality. The issue was introduced by commit 258f669e7e88, which converted the functionality to use a single value sequence file. The vulnerability occurs when there are no virtual memory areas (VMAs) present in the task, leading to a null dereference in the show smaps rollup function.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

NULL Pointer Dereference

Weakness Enumeration

CWE-476

Related Identifiers

CVE-2022-50380

Affected Products

Debian

Linux Kernel

References · 20

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/50xxx/CVE-2022-50380.json · Exploit
• https://osv.dev/vulnerability/CVE-2022-50380 · Vendor Advisory
• https://git.kernel.org/stable/c/97898139ca9b81ba9322a585e07490983c53b55a · Patch
• https://osv.dev/vulnerability/ROOT-OS-UBUNTU-2404-CVE-2022-50380 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2022-50380 · Vendor Advisory
• https://osv.dev/vulnerability/ROOT-OS-UBUNTU-2204-CVE-2022-50380 · Vendor Advisory
• https://git.kernel.org/stable/c/6bb8769326c46db3058780c0640dcc49d8187b24 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2022-50380 · Security Note
• https://osv.dev/vulnerability/ROOT-OS-DEBIAN-11-CVE-2022-50380 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2022-50380 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2022-50380 · Security Note
• https://git.kernel.org/stable/c/a50ed2d28727ff605d95fb9a53be8ff94e8eaaf4 · Patch
• https://git.kernel.org/stable/c/33fc9e26b7cb39f0d4219c875a2451802249c225 · Patch
• https://ubuntu.com/security/CVE-2022-50380 · Vendor Advisory
• https://git.kernel.org/stable/c/dbe863bce7679c7f5ec0e993d834fe16c5e687b5 · Patch