CVE-2022-4744
- State
- Published
- Severity
- 7.8 High
- Published
- Mar 30, 2023
- Updated
- Feb 14, 2025
- Reserved
- Dec 26, 2022
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 7.8 High | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H | CISA-ADP |
Weaknesses
- CWE-460 > CWE-824
Affected Products
| Product | Versions |
|---|---|
Kerneln/a |
|
References
- https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=158b515f703e
- http://packetstormsecurity.com/files/171912/CentOS-Stream-9-Missing-Kernel-Security-Fix.html
- [debian-lts-announce] 20230503 [SECURITY] [DLA 3403-1] linux security updatemailing-list
- https://security.netapp.com/advisory/ntap-20230526-0009/
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