CVE-2022-50448

mm/uffd: fix warning without PTE_MARKER_UFFD_WP compiled in

MEDIUM
5.5
CVSS Score
Published: October 1, 2025 at 11:45 AM UTC
Updated: June 17, 2026 at 05:23 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: mm/uffd: fix warning without PTE_MARKER_UFFD_WP compiled in When PTE_MARKER_UFFD_WP not configured, it's still possible to reach pte marker code and trigger an warning. Add a few CONFIG_PTE_MARKER_UFFD_WP ifdefs to make sure the code won't be reached when not compiled in.

Affected

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

5.19 ≤ v < 5.19.175.19 ≤ v < 6.0.35.19 ≤ v < 6.16.0 ≤ v < 6.0.35.19b1f9e876862d8f7176299ec4fb2108bc1045cbc8
Vendor states this is fixed in 2204a880cb0c51952463a24a4fa01a6514c5a25a (fixed)
Vendor states this is fixed in 515778e2d790652a38a24554fdb7f21420d91efc (fixed)
Vendor states this is fixed in b76e4eb02e9edb9a0a51942acdb373ca01346e8c (fixed)
Vendor states this is fixed in 5.19 (unaffected)
Vendor states this is fixed in 5.19.17 (unaffected)
Vendor states this is fixed in 6.0.3 (unaffected)
Vendor states this is fixed in 6.1 (unaffected)

CVSS

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

Quick Info

StatusANALYZED
CWE
NVD-CWE-noinfo

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