CVE-2023-53495

Summary

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 Software

VendorProductVersion RangeStatus
LinuxLinux90b509b39ac9b09be88eb641c7a3abd8de06b698 < ba6673824efa3dc198b04a54e69dce480066d7d9affected
LinuxLinux90b509b39ac9b09be88eb641c7a3abd8de06b698 < 61054a8ddb176b155a8f2bacdfefb3727187f5d9affected
LinuxLinux90b509b39ac9b09be88eb641c7a3abd8de06b698 < 5bb09dddc724c5f7c4dc6dd3bfebd685eecd93e8affected
LinuxLinux90b509b39ac9b09be88eb641c7a3abd8de06b698 < 349638f7e5d3c7d328565587bb7b0454bbee02e2affected
LinuxLinux90b509b39ac9b09be88eb641c7a3abd8de06b698 < 625b70d31dd4df4b96b3ddcbe251debb33bd67f5affected
LinuxLinux90b509b39ac9b09be88eb641c7a3abd8de06b698 < 51fe0a470543f345e3c62b6798929de3ddcedc1daffected
LinuxLinux5.2affected
LinuxLinux0 < 5.2unaffected
LinuxLinux5.4.257 <= 5.4.*unaffected
LinuxLinux5.10.195 <= 5.10.*unaffected
LinuxLinux5.15.132 <= 5.15.*unaffected
LinuxLinux6.1.54 <= 6.1.*unaffected
LinuxLinux6.5.4 <= 6.5.*unaffected
LinuxLinux6.6 <= *unaffected

Weaknesses

References