What is CVE-2023-52640?

CVE-2023-52640 is a high-severity vulnerability in Linux, classified under Improper Validation of Array Index. CVSS score: 7.1/10. Published 2024-04-03.

How severe is CVE-2023-52640?

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

Vulnerability in Linux

CVE-2023-52640

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: Fix oob in ntfs_listxattr The length of name cannot exceed the space occupied by ea.

Published 2024-04-03 · last modified 2026-08-04.

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: 0.002 (14.4th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 14th percentile — 14.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: +0.000

Affected products

Linux — versions 4534a70b7056fd4b9a1c6db5a4ce3c98546b291e, 5.15, 0
Linux Kernel — versions 6.8

Weakness classification (CWE)

CWE-129 — Improper Validation of Array Index

References

416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)

Frequently asked questions

What is CVE-2023-52640?: CVE-2023-52640 is a high-severity vulnerability in Linux, classified under Improper Validation of Array Index. CVSS score: 7.1/10. Published 2024-04-03.
How severe is CVE-2023-52640?: High severity. CVSS v3 base score is 7.1 out of 10.