Vulnerability Details : CVE-2024-25742
In the Linux kernel before 6.9, an untrusted hypervisor can inject virtual interrupt 29 (#VC) at any point in time and can trigger its handler. This affects AMD SEV-SNP and AMD SEV-ES.
Products affected by CVE-2024-25742
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Exploit prediction scoring system (EPSS) score for CVE-2024-25742
0.04%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 8 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2024-25742
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
6.5
|
MEDIUM | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:L |
1.0
|
5.5
|
134c704f-9b21-4f2e-91b3-4a467353bcc0 | 2025-03-27 |
CWE ids for CVE-2024-25742
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The product defines a signal handler that contains code sequences that are not asynchronous-safe, i.e., the functionality is not reentrant, or it can be interrupted.Assigned by: 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)
References for CVE-2024-25742
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https://www.amd.com/en/resources/product-security/bulletin/amd-sb-3008.html
Disrupting AMD SEV-SNP on Linux® With Interrupts
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https://github.com/torvalds/linux/commit/e3ef461af35a8c74f2f4ce6616491ddb355a208f
x86/sev: Harden #VC instruction emulation somewhat · torvalds/linux@e3ef461 · GitHub
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https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=e3ef461af35a8c74f2f4ce6616491ddb355a208f
x86/sev: Harden #VC instruction emulation somewhat - kernel/git/torvalds/linux.git - Linux kernel source tree
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https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.9
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