PT-2025-18528 · Linux+2 · Linux Kernel+2

CVE-2022-49811 · Publicado 2023-11-07 · Atualizado 2025-05-02

Positive Technologies (AI Summary)

CVSS v3.1

7.8

Alta

Vetor base

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

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

Description A use-after-free issue has been identified in the drbd create device() function. The drbd destroy connection() function frees the connection, and to prevent this issue, the safe() iterator should be used.

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

Exploit

Use After Free

Enumeração de Fraquezas

CWE-416

Identificadores relacionados

CVE-2022-49811

RHSA-2023:6583

RHSA-2023_6583

Produtos afetados

Astra Linux

Linux Kernel

Red Hat

Referências · 19

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49811.json · Exploit
• https://security-tracker.debian.org/tracker/CVE-2022-49811 · Aviso do Fabricante
• https://osv.dev/vulnerability/DEBIAN-CVE-2022-49811 · Aviso do Fabricante
• https://git.kernel.org/linus/a7a1598189228b5007369a9622ccdf587be0730f · Nota
• https://git.kernel.org/stable/c/813a8dd9c45fd46f5cbbfbedf0791afa7740ccf5 · Correção
• https://git.kernel.org/stable/c/c2a00b149836d60c222930bbea6b2139caf34d4f · Correção
• https://ubuntu.com/security/CVE-2022-49811 · Aviso do Fabricante
• https://nvd.nist.gov/vuln/detail/CVE-2022-49811 · Nota de Segurança
• https://lore.kernel.org/linux-cve-announce/2025050129-CVE-2022-49811-cb0b@gregkh/T · Nota
• https://git.kernel.org/stable/c/7d93417d596402ddd46bd76c721f205d09d0d025 · Correção
• https://git.kernel.org/stable/c/a7a1598189228b5007369a9622ccdf587be0730f · Correção
• https://git.kernel.org/stable/c/bf47ca1b35fc1f55091ffaff5fbe41ea0c6f59a1 · Correção
• https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git · Nota
• https://osv.dev/vulnerability/CVE-2022-49811 · Aviso do Fabricante
• https://cve.org/CVERecord?id=CVE-2022-49811 · Nota de Segurança