DEBIAN-CVE-2023-1838

Advisory lineage Upstream: 1 Downstream: 0
Upstream
CVE-2023-1838
Published: 05 Apr 2023, 19:15
Last modified:28 Apr 2026, 20:25

Vulnerability Summary

Overall Risk (default)
medium
28/100
CVSS Score
7.1 HIGH
3.1 (osv_debian)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

05 Apr 2023, 19:15
Published
Vulnerability first disclosed
28 Apr 2026, 20:25
Last Modified
Vulnerability information updated

Description

A use-after-free flaw was found in vhost_net_set_backend in drivers/vhost/net.c in virtio network subcomponent in the Linux kernel due to a double fget. This flaw could allow a local attacker to crash the system, and could even lead to a kernel information leak problem.

CVSS Metrics

  • v3.1•HIGH•Score: 7.1CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H

Affected Systems

  • debian•linux

    < 5.10.120-1 | < 5.17.11-1 | < 5.17.11-1 | < 5.17.11-1

References (1)