CVE-2022-49811

HIGH EPSS 8.5%
Published May 1, 20251y ago · Modified Jun 17, 20261w ago
7.8 CVSS 3.1
High
Find Similar
Published May 1, 2025 1y ago
Last Modified Jun 17, 2026 1w ago

Description

In the Linux kernel, the following vulnerability has been resolved: drbd: use after free in drbd_create_device() The drbd_destroy_connection() frees the "connection" so use the _safe() iterator to prevent a use after free.

CVSS Details

Base Score
7.8
Exploitability
1.8
Impact
5.9
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality High
Integrity High
Availability High

Threat Intelligence

EPSS Exploit Probability
8.5% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-416 Use After Free Memory Safety

Affected Products 11

VendorProductVersionRange
linuxlinux_kernel*≥3.15  –  <4.14.300
linuxlinux_kernel*≥4.15  –  <4.19.267
linuxlinux_kernel*≥4.20  –  <5.4.225
linuxlinux_kernel*≥5.5  –  <5.10.156
linuxlinux_kernel*≥5.11  –  <5.15.80
linuxlinux_kernel*≥5.16  –  <6.0.10
linuxlinux_kernel6.1any
linuxlinux_kernel6.1any
linuxlinux_kernel6.1any
linuxlinux_kernel6.1any
linuxlinux_kernel6.1any

References 7

  • git.kernel.org https://git.kernel.org/stable/c/7d93417d596402ddd46bd76c721f205d09d0d025
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/813a8dd9c45fd46f5cbbfbedf0791afa7740ccf5
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/9ed51414aef6e59e832e2960f10766dce2d5b1a1
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/a7a1598189228b5007369a9622ccdf587be0730f
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/bf47ca1b35fc1f55091ffaff5fbe41ea0c6f59a1
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/c2a00b149836d60c222930bbea6b2139caf34d4f
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/fc1897f16ebcfd22364f2afcc27f53a740f3bc7a
    Patch

Remediation

  • git.kernel.org https://git.kernel.org/stable/c/7d93417d596402ddd46bd76c721f205d09d0d025
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/813a8dd9c45fd46f5cbbfbedf0791afa7740ccf5
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/9ed51414aef6e59e832e2960f10766dce2d5b1a1
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/a7a1598189228b5007369a9622ccdf587be0730f
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/bf47ca1b35fc1f55091ffaff5fbe41ea0c6f59a1
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/c2a00b149836d60c222930bbea6b2139caf34d4f
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/fc1897f16ebcfd22364f2afcc27f53a740f3bc7a
    Patch