Vulnerability in Linux

CVE-2023-53633

In the Linux kernel, the following vulnerability has been resolved: accel/qaic: Fix a leak in map_user_pages() If get_user_pages_fast() allocates some pages but not as many as we wanted, then the current code leaks those pages. Call put_page() on the pages before returning.

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 (6.8th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 7th percentile — 6.8% 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-2023-53633: 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 129776ac2e38231fa9c02ce20e116c99de291666, 6.4, 0
  • Linux Kernel — versions 6.5

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2023-53633?
CVE-2023-53633 is a medium-severity vulnerability in Linux, classified under Missing Release of Memory after Effective Lifetime. CVSS score: 5.5/10. Published 2025-10-07.
How severe is CVE-2023-53633?
Medium severity. CVSS v3 base score is 5.5 out of 10.