Double Free in Linux Kernel

CVE-2023-38434

xHTTP 72f812d has a double free in close_connection in xhttp.c via a malformed HTTP request method.

Vulnerability class: Double Free

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.011 (63.8th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 64th percentile — 63.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2023-38434: held from 0.011 to 0.011.

EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: 0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2023-38434?
CVE-2023-38434 is a high-severity vulnerability in Linux Kernel, classified under Double Free. CVSS score: 7.5/10. Published 2023-07-18.
How severe is CVE-2023-38434?
High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2023-38434 known to be exploited?
5 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.