CVE-2023-23039

kernel: tty: vcc: race condition leading to use-after-free in vcc_open()

Published Feb 22, 2023 CVSS 3.1 · 5.7 Medium EPSS < 1% KEV · Not listed
Description
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().

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2023-27139 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().
History
Type Values Removed Values Added
Metrics epss

{'score': 0.00018}

epss

{'score': 0.00019}

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Mar 20, 2025, 8:46 PM
Reserved
Jan 11, 2023, 12:00 AM
Status
Modified
Published
Feb 22, 2023, 5:15 PM
Modified
Jun 17, 2026, 5:36 AM
Severity
Moderate
Public date
Feb 22, 2023, 12:00 AM