What is CVE-2022-3595?

CVE-2022-3595 is a low-severity vulnerability in Linux Kernel, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 3.5/10. Published 2022-10-18.

How severe is CVE-2022-3595?

Low severity. CVSS v3 base score is 3.5 out of 10.

Buffer overflow in Linux Kernel

CVE-2022-3595

A vulnerability was found in Linux Kernel. It has been rated as problematic. Affected by this issue is the function sess_free_buffer of the file fs/cifs/sess.c of the component CIFS Handler. The manipulation leads to double free. It is recommended to apply a patch to fix this issue. The identifier of this vulnerability is VDB-211364.

Vulnerability class: Buffer Overflow

Published 2022-10-18 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 3.5 (Low). Vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L.

EPSS exploit prediction

EPSS: 0.003 (19.6th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 20th percentile — 19.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: +0.000

Affected products

Weakness classification (CWE)

References

git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/ (Patch, Mailing List, Vendor Advisory)
vuldb.com/ (VDB Entry, Third Party Advisory)

Frequently asked questions

What is CVE-2022-3595?: CVE-2022-3595 is a low-severity vulnerability in Linux Kernel, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 3.5/10. Published 2022-10-18.
How severe is CVE-2022-3595?: Low severity. CVSS v3 base score is 3.5 out of 10.