net: ethernet: mvpp2_main: fix possible OOB write in mvpp2_ethtool_get_rxnfc()
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 7.8epss 0.2%
exploitation probability
0.2%top 94% of all CVEs
observed exploitation
nono source reports it
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:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected products
Linux · LinuxReferences
https://git.kernel.org/stable/c/349638f7e5d3c7d328565587bb7b0454bbee02e2https://git.kernel.org/stable/c/51fe0a470543f345e3c62b6798929de3ddcedc1dhttps://git.kernel.org/stable/c/5bb09dddc724c5f7c4dc6dd3bfebd685eecd93e8https://git.kernel.org/stable/c/61054a8ddb176b155a8f2bacdfefb3727187f5d9https://git.kernel.org/stable/c/625b70d31dd4df4b96b3ddcbe251debb33bd67f5https://git.kernel.org/stable/c/ba6673824efa3dc198b04a54e69dce480066d7d9