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 2026-08-17
Patch available
Yes

Affected versions

Linux kernel versions 6.18 and later are affected. Fixed in 6.18.40, 7.1.5, 7.2 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

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. 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. 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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