CVE-2025-21966

HIGH EPSS 6.9%
Published Apr 1, 20251y ago · Modified Jun 17, 20261w ago
7.8 CVSS 3.1
High
Find Similar
Published Apr 1, 2025 1y ago
Last Modified Jun 17, 2026 1w ago

Description

In the Linux kernel, the following vulnerability has been resolved: dm-flakey: Fix memory corruption in optional corrupt_bio_byte feature Fix memory corruption due to incorrect parameter being passed to bio_init

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
6.9% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-787 Out-of-bounds Write Memory Safety

Affected Products 9

VendorProductVersionRange
linuxlinux_kernel*≥6.5  –  <6.6.84
linuxlinux_kernel*≥6.7  –  <6.12.20
linuxlinux_kernel*≥6.13  –  <6.13.8
linuxlinux_kernel6.14any
linuxlinux_kernel6.14any
linuxlinux_kernel6.14any
linuxlinux_kernel6.14any
linuxlinux_kernel6.14any
linuxlinux_kernel6.14any

References 4

  • git.kernel.org https://git.kernel.org/stable/c/57e9417f69839cb10f7ffca684c38acd28ceb57b
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/5a87e46da2418c57b445371f5ca0958d5779ba5f
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/818330f756f3800c37d738bd36bce60eac949938
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/da070843e153471be4297a12fdaa64023276f40e
    Patch

Remediation

  • git.kernel.org https://git.kernel.org/stable/c/57e9417f69839cb10f7ffca684c38acd28ceb57b
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/5a87e46da2418c57b445371f5ca0958d5779ba5f
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/818330f756f3800c37d738bd36bce60eac949938
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/da070843e153471be4297a12fdaa64023276f40e
    Patch