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debiancveDebian Security Bug TrackerDEBIANCVE:CVE-2023-23039
HistoryFeb 22, 2023 - 5:15 p.m.

CVE-2023-23039

2023-02-2217:15:11
Debian Security Bug Tracker
security-tracker.debian.org
12
linux kernel
race condition
use-after-free
vcc device

5.7 Medium

CVSS3

Attack Vector

PHYSICAL

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H

0.0004 Low

EPSS

Percentile

15.8%

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().

5.7 Medium

CVSS3

Attack Vector

PHYSICAL

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H

0.0004 Low

EPSS

Percentile

15.8%