CVE-2023-23039
MEDIUMLinux Kernel < 6.2.0 - Use-After-Free via Race Condition in vcc_open() and vcc_remove()
Title source: llmDescription
An issue was discovered in the Linux kernel through 6.2.0-rc2. drivers/tty/vcc.c has a race condition and resultant use-after-free if a physically proximate attacker removes a VCC device while calling open(), aka a race condition between vcc_open() and vcc_remove().
References (1)
Core 1
Core References
Mailing List, Patch
https://lkml.org/lkml/2023/1/1/169
Scores
CVSS v3
5.7
EPSS
0.0023
EPSS Percentile
13.3%
Attack Vector
PHYSICAL
CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-362
Status
published
Products (2)
linux/linux_kernel
6.2.0 rc1 (2 CPE variants)
linux/linux_kernel
< 6.2.0
Published
Feb 22, 2023
Tracked Since
Feb 18, 2026