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Debian: CVE-2021-28693: xen -- security update

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Debian: CVE-2021-28693: xen -- security update

Severity
2
CVSS
(AV:L/AC:L/Au:N/C:P/I:N/A:N)
Published
06/30/2021
Created
07/31/2024
Added
07/30/2024
Modified
07/30/2024

Description

xen/arm: Boot modules are not scrubbed The bootloader will load boot modules (e.g. kernel, initramfs...) in a temporary area before they are copied by Xen to each domain memory. To ensure sensitive data is not leaked from the modules, Xen must "scrub" them before handing the page over to the allocator. Unfortunately, it was discovered that modules will not be scrubbed on Arm.

Solution(s)

  • debian-upgrade-xen

References

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