CVE-2023-39194

Advisory lineage Upstream: 0 Downstream: 35
Modified
Published: 09 Oct 2023, 17:57
Last modified:06 Nov 2025, 20:01

Vulnerability Summary

Overall Risk (default)
low
18/100
CVSS Score
4.4 MEDIUM
v3.1 (nvd)
EPSS Score
<0.01% LOW
0% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

09 Oct 2023, 17:57
Published
Vulnerability first disclosed
06 Nov 2025, 20:01
Last Modified
Vulnerability information updated

Description

A flaw was found in the XFRM subsystem in the Linux kernel. The specific flaw exists within the processing of state filters, which can result in a read past the end of an allocated buffer. This flaw allows a local privileged (CAP_NET_ADMIN) attacker to trigger an out-of-bounds read, potentially leading to an information disclosure.

CVSS Metrics

  • v3.1•LOW•Score: 3.2CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:L/I:N/A:N
  • v3.1•MEDIUM•Score: 4.4CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N

EPSS Trends

Current EPSS score: 0.01%• Percentile: 1%

Techniques & Countermeasures

  • CWE-125•Out-of-bounds Read

    The product reads data past the end, or before the beginning, of the intended buffer.

Affected Systems

  • fedoraproject•fedora

    38

  • linux•linux_kernel

    < 6.5 | 6.5:rc1 | 6.5:rc2 | 6.5:rc3 | 6.5:rc4 | 6.5:rc5 | 6.5:rc6

  • redhat•enterprise_linux

    8.0 | 9.0

References (7)