PT-2021-7725 · Linux+8 · Linux Kernel+8
CVSS v3.1
7.8
High
| Vector | AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
Name of the Vulnerable Software and Affected Versions
Linux kernel (affected versions not specified)
Description
A double-free flaw was found in the Linux kernel’s TUN/TAP device driver functionality. This issue occurs when a user registers the device and the register netdevice function fails, specifically with the NETDEV REGISTER notifier. The flaw allows a local user to crash or potentially escalate their privileges on the system.
Recommendations
At the moment, there is no information about a newer version that contains a fix for this vulnerability.
DoS
Double Free
Access of Uninitialized Pointer
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Related Identifiers
Affected Products
Alt Linux
Almalinux
Astra Linux
Centos
Linux Kernel
Red Hat
Red Os
Rocky Linux
Suse