CVE-2023-53495

HIGH EPSS 4.9%
Published Oct 1, 20259mo ago · Modified Jun 17, 20262w ago
7.8 CVSS 3.1
High
Find Similar
Published Oct 1, 2025 9mo ago
Last Modified Jun 17, 2026 2w ago

Description

In the Linux kernel, the following vulnerability has been resolved: net: ethernet: mvpp2_main: fix possible OOB write in mvpp2_ethtool_get_rxnfc() rules is allocated in ethtool_get_rxnfc and the size is determined by rule_cnt from user space. So rule_cnt needs to be check before using rules to avoid OOB writing or NULL pointer dereference.

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
4.9% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-787 Out-of-bounds Write Memory Safety

Affected Products 6

VendorProductVersionRange
linuxlinux_kernel*≥5.2  –  <5.4.257
linuxlinux_kernel*≥5.5  –  <5.10.195
linuxlinux_kernel*≥5.11  –  <5.15.132
linuxlinux_kernel*≥5.16  –  <6.1.54
linuxlinux_kernel*≥6.2  –  <6.5.4
linuxlinux_kernel6.6any

References 6

  • git.kernel.org https://git.kernel.org/stable/c/349638f7e5d3c7d328565587bb7b0454bbee02e2
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/51fe0a470543f345e3c62b6798929de3ddcedc1d
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/5bb09dddc724c5f7c4dc6dd3bfebd685eecd93e8
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/61054a8ddb176b155a8f2bacdfefb3727187f5d9
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/625b70d31dd4df4b96b3ddcbe251debb33bd67f5
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/ba6673824efa3dc198b04a54e69dce480066d7d9
    Patch

Remediation

  • git.kernel.org https://git.kernel.org/stable/c/349638f7e5d3c7d328565587bb7b0454bbee02e2
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/51fe0a470543f345e3c62b6798929de3ddcedc1d
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/5bb09dddc724c5f7c4dc6dd3bfebd685eecd93e8
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/61054a8ddb176b155a8f2bacdfefb3727187f5d9
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/625b70d31dd4df4b96b3ddcbe251debb33bd67f5
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/ba6673824efa3dc198b04a54e69dce480066d7d9
    Patch