What is CVE-2022-1671?

CVE-2022-1671 is a high-severity vulnerability in Linux Kernel, classified under NULL Pointer Dereference. CVSS score: 7.1/10. Published 2022-07-26.

How severe is CVE-2022-1671?

High severity. CVSS v3 base score is 7.1 out of 10.

NULL pointer dereference in Linux Kernel

CVE-2022-1671

A NULL pointer dereference flaw was found in rxrpc_preparse_s in net/rxrpc/server_key.c in the Linux kernel. This flaw allows a local attacker to crash the system or leak internal kernel information.

Published 2022-07-26 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H.

EPSS exploit prediction

EPSS: 0.003 (21.6th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 22nd percentile — 21.6% 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)

CWE-476 — NULL Pointer Dereference

References

git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/ (Patch, Mailing List, Third Party Advisory)
security.netapp.com/advisory/ntap-20220901-0008/ (Third Party Advisory)
security.netapp.com/advisory/ntap-20220901-0004/ (Third Party Advisory)

Frequently asked questions

What is CVE-2022-1671?: CVE-2022-1671 is a high-severity vulnerability in Linux Kernel, classified under NULL Pointer Dereference. CVSS score: 7.1/10. Published 2022-07-26.
How severe is CVE-2022-1671?: High severity. CVSS v3 base score is 7.1 out of 10.