CVE-2024-53241 Affecting linux-6.1 package, versions <6.1.128-1~deb11u1


Severity

Recommended
low

Based on default assessment until relevant scores are available.

Threat Intelligence

EPSS
0.04% (13th percentile)

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  • Snyk IDSNYK-DEBIAN11-LINUX61-9055582
  • published3 Mar 2025
  • disclosed24 Dec 2024

Introduced: 24 Dec 2024

CVE-2024-53241  (opens in a new tab)

How to fix?

Upgrade Debian:11 linux-6.1 to version 6.1.128-1~deb11u1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream linux-6.1 package and not the linux-6.1 package as distributed by Debian. See How to fix? for Debian:11 relevant fixed versions and status.

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.

CVSS Base Scores

version 3.1