DEBIAN-CVE-2023-0468

Advisory lineage Upstream: 1 Downstream: 0
Upstream
Published: 26 Jan 2023, 21:18
Last modified:28 Apr 2026, 20:25

Vulnerability Summary

Overall Risk (default)
low
19/100
CVSS Score
4.7 MEDIUM
3.1 (osv_debian)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

26 Jan 2023, 21:18
Published
Vulnerability first disclosed
28 Apr 2026, 20:25
Last Modified
Vulnerability information updated

Description

A use-after-free flaw was found in io_uring/poll.c in io_poll_check_events in the io_uring subcomponent in the Linux Kernel due to a race condition of poll_refs. This flaw may cause a NULL pointer dereference.

CVSS Metrics

  • v3.1MEDIUMScore: 4.7CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected Systems

  • debianlinux

    < 6.0.12-1 | < 6.0.12-1 | < 6.0.12-1

References (1)