CVE-2022-50107

MEDIUM

Linux Kernel 5.17-5.17, 5.18-5.18.18, 5.19-5.19.2 - Use-After-Free in CIFS fscache

Title source: llm

Description

In the Linux kernel, the following vulnerability has been resolved: cifs: Fix memory leak when using fscache If we hit the 'index == next_cached' case, we leak a refcount on the struct page. Fix this by using readahead_folio() which takes care of the refcount for you.

References (3)

Core 3

Core References

Patch

https://git.kernel.org/stable/c/7105b4047481bc2950fb767cff328d8b75292c0f

Patch

https://git.kernel.org/stable/c/ae497726cd090673a4d20ac725ccc2de8067a7a5

Patch

https://git.kernel.org/stable/c/c6f62f81b488d00afaa86bae26c6ce9ab12c709e

Scores

CVSS v3 5.5

EPSS 0.0015

EPSS Percentile 4.8%

Attack Vector LOCAL

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Details

CWE

CWE-401

Status published

Products (12)

linux/Kernel 5.17.0 - 5.18.18linux

linux/Kernel 5.19.0 - 5.19.2linux

Linux/Linux < 5.17

Linux/Linux 0174ee9947bd0f24fee2794b35258960d108b7aa - 7105b4047481bc2950fb767cff328d8b75292c0f

Linux/Linux 0174ee9947bd0f24fee2794b35258960d108b7aa - ae497726cd090673a4d20ac725ccc2de8067a7a5

Linux/Linux 0174ee9947bd0f24fee2794b35258960d108b7aa - c6f62f81b488d00afaa86bae26c6ce9ab12c709e

Linux/Linux 5.17

Linux/Linux 5.18.18 - 5.18.*

Linux/Linux 5.19.2 - 5.19.*

Linux/Linux 6.0

... and 2 more

Published Jun 18, 2025

Tracked Since Feb 18, 2026