vulnerability

Oracle Linux: CVE-2024-25743: ELSA-2024-2758: kernel security and bug fix update (MODERATE) (Multiple Advisories)

Severity
6
CVSS
(AV:L/AC:L/Au:S/C:C/I:C/A:N)
Published
04/05/2024
Added
05/21/2024
Modified
01/07/2025

Description

In the Linux kernel through 6.9, an untrusted hypervisor can inject virtual interrupts 0 and 14 at any point in time and can trigger the SIGFPE signal handler in userspace applications. This affects AMD SEV-SNP and AMD SEV-ES.
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

oracle-linux-upgrade-kernel
Title
NEW

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