PT-2025-26033 · Linux+2 · Linux Kernel+2

Published 2022-07-18 · Updated 2025-06-18 · CVE-2022-50107

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 memory leak issue has been identified in the Linux kernel when using fscache. Specifically, when the 'index == next cached' case is encountered, a refcount leak on the struct page occurs. This issue is resolved by utilizing readahead folio(), which properly handles the refcount.

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

Exploit

Memory Leak

Weakness Enumeration

CWE-401

Related Identifiers

BDU:2026-03463

CVE-2022-50107

RHSA-2023:6583

RHSA-2023_6583

Affected Products

Astra Linux

Linux Kernel

Red Hat

References · 19

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/50xxx/CVE-2022-50107.json · Exploit
• https://bdu.fstec.ru/vul/2026-03463 · Security Note
• https://git.kernel.org/stable/c/ae497726cd090673a4d20ac725ccc2de8067a7a5 · Patch
• https://osv.dev/vulnerability/UBUNTU-CVE-2022-50107 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2022-50107 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2022-50107 · Security Note
• https://osv.dev/vulnerability/CVE-2022-50107 · Vendor Advisory
• https://git.kernel.org/stable/c/7105b4047481bc2950fb767cff328d8b75292c0f · Patch
• https://git.kernel.org/stable/c/c6f62f81b488d00afaa86bae26c6ce9ab12c709e · Patch
• https://ubuntu.com/security/CVE-2022-50107 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2022-50107 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2022-50107 · Security Note
• https://twitter.com/CVEnew/status/1935356176155160749 · Twitter Post
• https://kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19.2 · Note
• https://kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.18.18 · Note