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CVE-2023-53633

accel/qaic: Fix a leak in map_user_pages()

Medium5.5EPSS 0.18%
Published
Updated
Reserved
Assigned by
Linux

Description

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.

Timeline

  1. ID reserved

    By Linux

  2. Published

  3. · 7 months later

    Record updated

Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.

Scores

CVSS scores of CVE-2023-53633, by who scored it
Scored byCVSSScoreVector
NVDNVD · Analyzed3.1Medium5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS (exploitation in 30 days)
0.18% · top 92% of all CVEs (7 Nov 2026)
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.5.

Weakness

Affected products

  • Linux · Linux

    • affected 129776ac2e38231fa9c02ce20e116c99de291666 – < cdcba752a3d48fbe6f05cf2c91ab9497c8daad0c
    • affected 129776ac2e38231fa9c02ce20e116c99de291666 – < 73274c33d961f4aa0f968f763e2c9f4210b4f4a3

  • Linux · Linux

    • affected 6.4
    • unaffected < 6.4
    • unaffected 6.4.7 – ≤ 6.4.*
    • unaffected 6.5 – ≤ *

References (2)

Sources

The same CVE in the primary databases and aggregators, to check against.

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Record last updated .