DEBIAN-CVE-2023-39189
Advisory lineage Upstream: 1 Downstream: 1
Upstream
Downstream
Published: 09 Oct 2023, 18:15
Last modified:28 Apr 2026, 20:26
Vulnerability Summary
Overall Risk (default)
low
24/100 CVSS Score
6 MEDIUM
3.1 (osv_debian)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected
Timeline
09 Oct 2023, 18:15
Published
Vulnerability first disclosed
28 Apr 2026, 20:26
Last Modified
Vulnerability information updated
Description
A flaw was found in the Netfilter subsystem in the Linux kernel. The nfnl_osf_add_callback function did not validate the user mode controlled opt_num field. This flaw allows a local privileged (CAP_NET_ADMIN) attacker to trigger an out-of-bounds read, leading to a crash or information disclosure.
CVSS Metrics
- v3.1•MEDIUM•Score: 6CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:H
Affected Systems
- debian•linux
< 5.10.197-1 | < 6.1.55-1 | < 6.5.6-1 | < 6.5.6-1