vulnerability
Red Hat: CVE-2022-4744: kernel: tun: avoid double free in tun_free_netdev (Multiple Advisories)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 7 | (AV:L/AC:L/Au:S/C:C/I:C/A:C) | Mar 27, 2023 | Mar 28, 2023 | Jan 28, 2025 |
Severity
7
CVSS
(AV:L/AC:L/Au:S/C:C/I:C/A:C)
Published
Mar 27, 2023
Added
Mar 28, 2023
Modified
Jan 28, 2025
Description
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.
Solution(s)
redhat-upgrade-kernelredhat-upgrade-kernel-rt
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