CVE-2022-50328

HIGH EPSS 4.4%
Published Sep 15, 20259mo ago · Modified Jun 17, 20261w ago
7.8 CVSS 3.1
High
Find Similar
Published Sep 15, 2025 9mo ago
Last Modified Jun 17, 2026 1w ago

Description

In the Linux kernel, the following vulnerability has been resolved: jbd2: fix potential use-after-free in jbd2_fc_wait_bufs In 'jbd2_fc_wait_bufs' use 'bh' after put buffer head reference count which may lead to use-after-free. So judge buffer if uptodate before put buffer head reference count.

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
4.4% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-416 Use After Free Memory Safety

Affected Products 4

VendorProductVersionRange
linuxlinux_kernel* <5.10.150
linuxlinux_kernel*≥5.11  –  <5.15.75
linuxlinux_kernel*≥5.16  –  <5.19.17
linuxlinux_kernel*≥6.0  –  <6.0.3

References 5

  • git.kernel.org https://git.kernel.org/stable/c/1d4d16daec2a6689b6d3fbfc7d2078643adc6619
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/243d1a5d505d0b0460c9af0ad56ed4a56ef0bebd
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/2e6d9f381c1ed844531a577783fc352de7a44c8a
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/d11d2ded293976a1a0d9d9471827a44dc9e3c63f
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/effd9b3c029ecdd853a11933dcf857f5a7ca8c3d
    Patch

Remediation

  • git.kernel.org https://git.kernel.org/stable/c/1d4d16daec2a6689b6d3fbfc7d2078643adc6619
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/243d1a5d505d0b0460c9af0ad56ed4a56ef0bebd
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/2e6d9f381c1ed844531a577783fc352de7a44c8a
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/d11d2ded293976a1a0d9d9471827a44dc9e3c63f
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/effd9b3c029ecdd853a11933dcf857f5a7ca8c3d
    Patch