CVE-2022-4744
HIGHLinux Kernel 5.5-5.10.135 - Double Free in TUN/TAP Device Registration
Title source: llmDescription
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 (4)
Core 4
Core References
Third Party Advisory, VDB Entry
http://packetstormsecurity.com/files/171912/CentOS-Stream-9-Missing-Kernel-Security-Fix.html
Vendor Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=158b515f703e
Third Party Advisory
https://security.netapp.com/advisory/ntap-20230526-0009/
Mailing List, Third Party Advisory mailing-list
https://lists.debian.org/debian-lts-announce/2023/05/msg00006.html
Scores
CVSS v3
7.8
EPSS
0.0046
EPSS Percentile
36.0%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
total
Details
CWE
CWE-415
CWE-460
Status
published
Products (1)
linux/linux_kernel
5.5 - 5.10.136
Published
Mar 30, 2023
Tracked Since
Feb 18, 2026