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Alpine Linux: CVE-2023-34326: Vulnerability in Xen

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Alpine Linux: CVE-2023-34326: Vulnerability in Xen

Severity
7
CVSS
(AV:L/AC:L/Au:S/C:C/I:C/A:C)
Published
01/05/2024
Created
04/09/2024
Added
03/26/2024
Modified
06/11/2024

Description

The caching invalidation guidelines from the AMD-Vi specification (48882—Rev 3.07-PUB—Oct 2022) is incorrect on some hardware, as devices will malfunction (see stale DMA mappings) if some fields of the DTE are updated but the IOMMU TLB is not flushed. Such stale DMA mappings can point to memory ranges not owned by the guest, thus allowing access to unindented memory regions.

Solution(s)

  • alpine-linux-upgrade-xen

References

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