What is CVE-2022-2078?

CVE-2022-2078 is a medium-severity vulnerability in Linux Kernel, classified under Stack-based Buffer Overflow. CVSS score: 5.5/10. Published 2022-06-30.

How severe is CVE-2022-2078?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Is CVE-2022-2078 known to be exploited?

17 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Linux Kernel

CVE-2022-2078

A vulnerability was found in the Linux kernel's nft_set_desc_concat_parse() function .This flaw allows an attacker to trigger a buffer overflow via nft_set_desc_concat_parse() , causing a denial of service and possibly to run code.

Vulnerability class: Buffer Overflow

Published 2022-06-30 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.010 (62.2th percentile), scored 2026-10-01.

Low probability of exploitation in the next 30 days, but still tracked. 62nd percentile — 62.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000

Affected products

Linux Kernel
Debian Linux — versions 11.0
Red Hat Enterprise Linux — versions 8.0, 9.0
Red Hat Virtualization — versions 4.0
Kernel — versions kernel 5.19 rc1

Weakness classification (CWE)

Public proof-of-concept exploits

References

www.debian.org/security/2022/dsa-5161 (vendor-advisory, Third Party Advisory)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/net/netfilter… (Patch, Mailing List, Vendor Advisory)
bugzilla.redhat.com/show_bug.cgi (Third Party Advisory, Issue Tracking)

Frequently asked questions

What is CVE-2022-2078?: CVE-2022-2078 is a medium-severity vulnerability in Linux Kernel, classified under Stack-based Buffer Overflow. CVSS score: 5.5/10. Published 2022-06-30.
How severe is CVE-2022-2078?: Medium severity. CVSS v3 base score is 5.5 out of 10.
Is CVE-2022-2078 known to be exploited?: 17 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.