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Red Hat: CVE-2024-25742: hw: amd: Instruction raise #VC exception at exit (Multiple Advisories)

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Red Hat: CVE-2024-25742: hw: amd: Instruction raise #VC exception at exit (Multiple Advisories)

Severity
6
CVSS
(AV:L/AC:L/Au:S/C:C/I:C/A:N)
Published
04/05/2024
Created
05/02/2024
Added
05/02/2024
Modified
05/02/2024

Description

A vulnerability was found in AMD SEV-SNP, where a malicious hypervisor can potentially break confidentiality and integrity of SEV-SNP on Linux guests by injecting interrupts. An attacker can inject interrupt 0x80, which is used by Linux for legacy 32-bit system calls, and arbitrarily change the value stored in EAX while a SEV VM is running.

Solution(s)

  • redhat-upgrade-kernel
  • redhat-upgrade-kernel-rt

References

  • CVE-2024-25742
  • RHSA-2024:2627
  • RHSA-2024:2628

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