NetSight
medium5.5

CVE-2024-53241

In the Linux kernel, the following vulnerability has been resolved: x86/xen: don't do PV iret hypercall through hypercall page Instead of jumping to the Xen hy…

Impact

In the Linux kernel, the following vulnerability has been resolved: x86/xen: don't do PV iret hypercall through hypercall page Instead of jumping to the Xen hypercall page for doing the iret hypercall, directly code the required sequence in xen-asm.S. This is done in preparation of no longer using hypercall page at all, as it has shown to cause problems with speculation mitigations. This is part of XSA-466 / CVE-2024-53241.

Affected products

VendorProductAffected versions
LinuxLinux Kernel
before 5.10.232
from 5.11 before 5.15.175
from 5.16 before 6.1.121
from 6.2 before 6.6.67
from 6.7 before 6.12.6
Version 6.13

References