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

Publicado 2022-07-18 · Atualizado 2025-06-18 · CVE-2022-50107

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Média

Vetor base

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

Enumeração de Fraquezas

CWE-401

Identificadores relacionados

BDU:2026-03463

CVE-2022-50107

RHSA-2023:6583

RHSA-2023_6583

Produtos afetados

Astra Linux

Linux Kernel

Red Hat

Referências · 19

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/50xxx/CVE-2022-50107.json · Exploit
• https://bdu.fstec.ru/vul/2026-03463 · Nota de Segurança
• https://twitter.com/CVEnew/status/1935356176155160749 · Publicação no Twitter
• https://git.kernel.org/stable/c/ae497726cd090673a4d20ac725ccc2de8067a7a5 · Correção
• https://kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19.2 · Nota
• https://osv.dev/vulnerability/UBUNTU-CVE-2022-50107 · Aviso do Fabricante
• https://kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.18.18 · Nota
• https://lore.kernel.org/linux-cve-announce/2025061806-CVE-2022-50107-76ef@gregkh · Nota
• https://security-tracker.debian.org/tracker/CVE-2022-50107 · Aviso do Fabricante
• https://nvd.nist.gov/vuln/detail/CVE-2022-50107 · Nota de Segurança
• https://osv.dev/vulnerability/CVE-2022-50107 · Aviso do Fabricante
• https://git.kernel.org/stable/c/7105b4047481bc2950fb767cff328d8b75292c0f · Correção
• https://git.kernel.org/stable/c/c6f62f81b488d00afaa86bae26c6ce9ab12c709e · Correção
• https://ubuntu.com/security/CVE-2022-50107 · Aviso do Fabricante
• https://osv.dev/vulnerability/DEBIAN-CVE-2022-50107 · Aviso do Fabricante