CVE-2026-74423

Summary

In the Linux kernel, the following vulnerability has been resolved:

accel/amdxdna: Fix leak when pinning ubuf pages

When pin_user_pages_fast() returns fewer pages than requested, the pages that were successfully pinned are not released, leading to a leak.

Fix this by unpinning any partially pinned pages before returning failure.

Affected Software

VendorProductVersion RangeStatus
LinuxLinuxbd72d4acda1069579b35123e3cc0b21ec1193a21 < 68dc52f308a17c3103a349f722dd5dea32c50a88affected
LinuxLinuxbd72d4acda1069579b35123e3cc0b21ec1193a21 < 5b24e0903c58cdfd8ebfecb6ac5c5bacfd06e4e7affected
LinuxLinuxbd72d4acda1069579b35123e3cc0b21ec1193a21 < d946347edc4f0a7b846325323d77e936a4c90d0faffected
LinuxLinux6.18affected
LinuxLinux0 < 6.18unaffected
LinuxLinux6.18.40 <= 6.18.*unaffected
LinuxLinux7.1.5 <= 7.1.*unaffected
LinuxLinux7.2-rc1 <= *unaffected

Weaknesses

References