CVE-2022-4744

HIGH7.8

A double-free flaw was found in the Linux kernel’s TUN/TAP device driver functionality in how a user registers the device when the register_netdevice function fails (NETDEV_REGISTER notifier)

Published Mar 30, 2023

Modified 1 years ago

Details

A double-free flaw was found in the Linux kernel’s TUN/TAP device driver functionality in how a user registers the device when the register_netdevice function fails (NETDEV_REGISTER notifier). This flaw allows a local user to crash or potentially escalate their privileges on the system.

References

WEB

http://packetstormsecurity.com/files/171912/CentOS-Stream-9-Missing-Kernel-Security-Fix.html

WEB

https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=158b515f703e

WEB

https://lists.debian.org/debian-lts-announce/2023/05/msg00006.html

WEB

https://security.netapp.com/advisory/ntap-20230526-0009/

ADVISORY

https://www.cve.org/CVERecord?id=CVE-2022-4744

CVSS Analysis