CVE-2026-68473

In the Linux kernel, the following vulnerability has been resolved: powerpc/uaccess: correct check for CONFIG_PPC_E500 in mask_user_address() mask_user_address() incorrectly checks for CONFIG_E500 instead of CONFIG_PPC_E500, causing mask_user_address_isel() to not be used on E500 hardware. Fix the check to use the correct name.

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

Affected versions

Linux kernel versions 7.0 and later are affected. Fixed in 7.1.5, 7.2-rc4 and their respective stable series.

Affected from
≥ 7.0
Fixed in
✓ 7.1.5 7.1.x ✓ 7.2-rc4

Frequently asked questions

  • What is CVE-2026-68473?

    CVE-2026-68473 is a unscored severity Linux kernel vulnerability . It affects Linux kernel versions from 7.0 onward and has been patched in 7.1.5 and 7.2-rc4. CVE-2026-68473 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

  • Is there a patch available for CVE-2026-68473?

    Yes. CVE-2026-68473 has been patched. Fixed versions include 7.1.5 and 7.2-rc4. If you are running Linux kernel 7.0 or later up to the fix versions, apply the relevant patch for your kernel branch.

  • Is CVE-2026-68473 actively exploited?

    No. CVE-2026-68473 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.