Buffer overflow in Linux

CVE-2023-52512

In the Linux kernel, the following vulnerability has been resolved: pinctrl: nuvoton: wpcm450: fix out of bounds write Write into 'pctrl->gpio_bank' happens before the check for GPIO index validity, so out of bounds write may happen. Found by Linux Verification Center (linuxtesting.org) with SVACE.

Vulnerability class: Buffer Overflow

Published · last modified .

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: 0.002 (11.6th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 12th percentile — 11.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2023-52512: held from 0.002 to 0.002.

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

Affected products

  • Linux — versions a1d1e0e3d80a870cc37a6c064994b89e963d2b58, 5.18, 0
  • Linux Kernel — versions 6.6

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2023-52512?
CVE-2023-52512 is a medium-severity vulnerability in Linux, classified under Out-of-bounds Write. CVSS score: 5.5/10. Published 2024-03-02.
How severe is CVE-2023-52512?
Medium severity. CVSS v3 base score is 5.5 out of 10.