CVE-2026-74423

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.

Package Linux Kernel
Published 2026-08-15
Last modified 2026-08-15
Patch available
Yes

Affected versions

Linux kernel versions 6.18 and later are affected. Fixed in 6.18.40, 7.1.5, 7.2-rc1 and their respective stable series.

Affected from
≥ 6.18
Fixed in
✓ 6.18.40 6.18.x ✓ 7.1.5 7.1.x ✓ 7.2-rc1

References

3 total

Frequently asked questions

  • What is CVE-2026-74423?

    CVE-2026-74423 is a unscored severity Linux kernel vulnerability . It affects Linux kernel versions from 6.18 onward and has been patched in 6.18.40, 7.1.5 and 7.2-rc1. CVE-2026-74423 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

  • Is there a patch available for CVE-2026-74423?

    Yes. CVE-2026-74423 has been patched. Fixed versions include 6.18.40, 7.1.5 and 7.2-rc1. If you are running Linux kernel 6.18 or later up to the fix versions, apply the relevant patch for your kernel branch.

  • Is CVE-2026-74423 actively exploited?

    No. CVE-2026-74423 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

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