CVE-2023-53495

net: ethernet: mvpp2_main: fix possible OOB write in mvpp2_ethtool_get_rxnfc()

HIGH
7.8
CVSS Score
Published: October 1, 2025 at 11:45 AM UTC
Updated: August 5, 2026 at 10:24 AM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
HIGH7.8
Exploit prediction
EPSS 0.2%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

5.11 ≤ v < 5.15.1325.16 ≤ v < 6.1.545.2 ≤ v < 5.10.1955.2 ≤ v < 5.15.1325.2 ≤ v < 5.4.2575.2 ≤ v < 6.1.545.2 ≤ v < 6.5.45.2 ≤ v < 6.65.5 ≤ v < 5.10.1956.2 ≤ v < 6.5.46.6 rc190b509b39ac9b09be88eb641c7a3abd8de06b698
Vendor states this is fixed in 349638f7e5d3c7d328565587bb7b0454bbee02e2 (fixed)
Vendor states this is fixed in 51fe0a470543f345e3c62b6798929de3ddcedc1d (fixed)
Vendor states this is fixed in 5bb09dddc724c5f7c4dc6dd3bfebd685eecd93e8 (fixed)
Vendor states this is fixed in 61054a8ddb176b155a8f2bacdfefb3727187f5d9 (fixed)
Vendor states this is fixed in 625b70d31dd4df4b96b3ddcbe251debb33bd67f5 (fixed)
Vendor states this is fixed in ba6673824efa3dc198b04a54e69dce480066d7d9 (fixed)
Vendor states this is fixed in 5.10.195 (unaffected)
Vendor states this is fixed in 5.15.132 (unaffected)
Vendor states this is fixed in 5.2 (unaffected)
Vendor states this is fixed in 5.4.257 (unaffected)
Vendor states this is fixed in 6.1.54 (unaffected)
Vendor states this is fixed in 6.5.4 (unaffected)
Vendor states this is fixed in 6.6 (unaffected)

CVSS

7.8HIGHLinux
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-787

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