CVE-2024-53241
Estado: ModificadaMedia (5.5)—
In the Linux kernel, the following vulnerability has been resolved:
x86/xen: don't do PV iret hypercall through hypercall page
Instead of jumping to the Xen hypercall page for doing the iret hypercall, directly code the required sequence in xen-asm.S.
This is done in preparation of no longer using hypercall page at all, as it has shown to cause problems with speculation mitigations.
This is part of XSA-466 / CVE-2024-53241.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
- Puntuación base: 5.5
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.31%
- Percentil entre todas las CVEs puntuadas: 22
- Fecha de la puntuación: 6/10/2026
EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).
Tecnologías afectadas (1)
CWE
- NVD-CWE-noinfo
Referencias
- https://git.kernel.org/stable/c/05df6e6cd9a76b778aee33c3c18c9f3b3566d4a5
- https://git.kernel.org/stable/c/82c211ead1ec440dbf81727e17b03b5e3c44b93d
- https://git.kernel.org/stable/c/a2796dff62d6c6bfc5fbebdf2bee0d5ac0438906
- https://git.kernel.org/stable/c/c7b4cfa6213a44fa48714186dfdf125072d036e3
- https://git.kernel.org/stable/c/f7c3fdad0a474062d566aae3289d490d7e702d30
- https://git.kernel.org/stable/c/fa719857f613fed94a79da055b13ca51214c694f
- http://www.openwall.com/lists/oss-security/2024/12/17/2
- http://www.openwall.com/lists/oss-security/2024/12/23/1
- http://www.openwall.com/lists/oss-security/2025/01/05/1
- http://www.openwall.com/lists/oss-security/2025/01/05/2
- http://xenbits.xen.org/xsa/advisory-466.html
- https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html
- https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html
JSON original (NVD)
Mostrar
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nx86/xen: don't do PV iret hypercall through hypercall page\n\nInstead of jumping to the Xen hypercall page for doing the iret\nhypercall, directly code the required sequence in xen-asm.S.\n\nThis is done in preparation of no longer using hypercall page at all,\nas it has shown to cause problems with speculation mitigations.\n\nThis is part of XSA-466 / CVE-2024-53241."
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