CVE-2022-50448

Summary

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 Software

VendorProductVersion RangeStatus
LinuxLinuxb1f9e876862d8f7176299ec4fb2108bc1045cbc8 < b76e4eb02e9edb9a0a51942acdb373ca01346e8caffected
LinuxLinuxb1f9e876862d8f7176299ec4fb2108bc1045cbc8 < 2204a880cb0c51952463a24a4fa01a6514c5a25aaffected
LinuxLinuxb1f9e876862d8f7176299ec4fb2108bc1045cbc8 < 515778e2d790652a38a24554fdb7f21420d91efcaffected
LinuxLinux5.19affected
LinuxLinux0 < 5.19unaffected
LinuxLinux5.19.17 <= 5.19.*unaffected
LinuxLinux6.0.3 <= 6.0.*unaffected
LinuxLinux6.1 <= *unaffected

Weaknesses

References