CVE-2023-23039

low-risk
Published 2023-02-22

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().

Do I need to act?

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0.02% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.7/10 Medium
PHYSICAL / HIGH complexity

Affected Products (3)

Affected Vendors

Linux

References (2)

Mailing List https://lkml.org/lkml/2023/1/1/169
Mailing List https://lkml.org/lkml/2023/1/1/169
24
/ 100
low-risk
Severity 15/34 · Moderate
Exploitability 0/34 · Minimal
Exposure 9/34 · Low