CVE-2023-53495Out-of-bounds Write in Linux

Severity
7.8HIGHNVD
EPSS
0.0%
top 96.97%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedOct 1

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 vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitability: 1.8 | Impact: 5.9

Affected Packages4 packages

NVDlinux/linux_kernel5.25.4.257+5
Debianlinux/linux_kernel< 5.10.197-1+3
CVEListV5linux/linux90b509b39ac9b09be88eb641c7a3abd8de06b698ba6673824efa3dc198b04a54e69dce480066d7d9+6
debiandebian/linux< linux 6.1.55-1 (bookworm)

Patches

🔴Vulnerability Details

2
GHSA
GHSA-67h2-jhv4-3f99: In the Linux kernel, the following vulnerability has been resolved: net: ethernet: mvpp2_main: fix possible OOB write in mvpp2_ethtool_get_rxnfc() r2025-10-01
OSV
CVE-2023-53495: In the Linux kernel, the following vulnerability has been resolved: net: ethernet: mvpp2_main: fix possible OOB write in mvpp2_ethtool_get_rxnfc() rul2025-10-01

📋Vendor Advisories

2
Red Hat
kernel: net: ethernet: mvpp2_main: fix possible OOB write in mvpp2_ethtool_get_rxnfc()2025-10-01
Debian
CVE-2023-53495: linux - In the Linux kernel, the following vulnerability has been resolved: net: ethern...2023