What is CVE-2022-48423?

CVE-2022-48423 is a high-severity vulnerability in Linux Kernel, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2023-03-19.

How severe is CVE-2022-48423?

High severity. CVSS v3 base score is 7.8 out of 10.

Buffer overflow in Linux Kernel

CVE-2022-48423

In the Linux kernel before 6.1.3, fs/ntfs3/record.c does not validate resident attribute names. An out-of-bounds write may occur.

Vulnerability class: Buffer Overflow

Published 2023-03-19 · last modified 2026-10-02.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.003 (16.8th percentile), scored 2026-10-03.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 17th percentile — 16.8% 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

Linux Kernel

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/ (Patch, Vendor Advisory)
cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.3 (Patch, Mailing List, Release Notes, Vendor Advisory)
security.netapp.com/advisory/ntap-20230505-0003/ (Third Party Advisory)

Frequently asked questions

What is CVE-2022-48423?: CVE-2022-48423 is a high-severity vulnerability in Linux Kernel, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2023-03-19.
How severe is CVE-2022-48423?: High severity. CVSS v3 base score is 7.8 out of 10.