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

Published 2023-11-07 · Updated 2025-05-02 · CVE-2022-49811

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

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

Weakness Enumeration

CWE-416

Related Identifiers

CVE-2022-49811

RHSA-2023:6583

RHSA-2023_6583

Affected Products

Astra Linux

Linux Kernel

Red Hat

References · 19

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49811.json · Exploit
• https://security-tracker.debian.org/tracker/CVE-2022-49811 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2022-49811 · Vendor Advisory
• https://git.kernel.org/stable/c/813a8dd9c45fd46f5cbbfbedf0791afa7740ccf5 · Patch
• https://git.kernel.org/stable/c/c2a00b149836d60c222930bbea6b2139caf34d4f · Patch
• https://ubuntu.com/security/CVE-2022-49811 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2022-49811 · Security Note
• https://git.kernel.org/stable/c/7d93417d596402ddd46bd76c721f205d09d0d025 · Patch
• https://git.kernel.org/stable/c/a7a1598189228b5007369a9622ccdf587be0730f · Patch
• https://git.kernel.org/stable/c/bf47ca1b35fc1f55091ffaff5fbe41ea0c6f59a1 · Patch
• https://osv.dev/vulnerability/CVE-2022-49811 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2022-49811 · Security Note
• https://git.kernel.org/stable/c/9ed51414aef6e59e832e2960f10766dce2d5b1a1 · Patch
• https://osv.dev/vulnerability/UBUNTU-CVE-2022-49811 · Vendor Advisory
• https://git.kernel.org/stable/c/fc1897f16ebcfd22364f2afcc27f53a740f3bc7a · Patch