CVE-2023-53633

accel/qaic: Fix a leak in map_user_pages()

MEDIUM
5.5
CVSS Score
Published: October 7, 2025 at 03:19 PM UTC
Updated: June 17, 2026 at 06:45 AM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.2%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

6.4 ≤ v < 6.4.76.4 ≤ v < 6.5129776ac2e38231fa9c02ce20e116c99de2916666.46.5 rc16.5 rc2
Vendor states this is fixed in 73274c33d961f4aa0f968f763e2c9f4210b4f4a3 (fixed)
Vendor states this is fixed in cdcba752a3d48fbe6f05cf2c91ab9497c8daad0c (fixed)
Vendor states this is fixed in 6.4 (unaffected)
Vendor states this is fixed in 6.4.7 (unaffected)
Vendor states this is fixed in 6.5 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

CVSS

Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-401

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