{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-06-11T19:51:27.422","vulnerabilities":[{"cve":{"id":"CVE-2024-49858","sourceIdentifier":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","published":"2024-10-21T13:15:06.543","lastModified":"2025-11-03T23:16:26.000","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nefistub/tpm: Use ACPI reclaim memory for event log to avoid corruption\n\nThe TPM event log table is a Linux specific construct, where the data\nproduced by the GetEventLog() boot service is cached in memory, and\npassed on to the OS using an EFI configuration table.\n\nThe use of EFI_LOADER_DATA here results in the region being left\nunreserved in the E820 memory map constructed by the EFI stub, and this\nis the memory description that is passed on to the incoming kernel by\nkexec, which is therefore unaware that the region should be reserved.\n\nEven though the utility of the TPM2 event log after a kexec is\nquestionable, any corruption might send the parsing code off into the\nweeds and crash the kernel. So let's use EFI_ACPI_RECLAIM_MEMORY\ninstead, which is always treated as reserved by the E820 conversion\nlogic."},{"lang":"es","value":"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: efistub/tpm: Utilizar la memoria de recuperación ACPI para el registro de eventos para evitar la corrupción La tabla de registro de eventos TPM es una construcción específica de Linux, donde los datos producidos por el servicio de arranque GetEventLog() se almacenan en caché en la memoria y se pasan al sistema operativo mediante una tabla de configuración EFI. El uso de EFI_LOADER_DATA aquí da como resultado que la región quede sin reservar en el mapa de memoria E820 construido por el stub EFI, y esta es la descripción de memoria que se pasa al kernel entrante por kexec, que por lo tanto no sabe que la región debe reservarse. Aunque la utilidad del registro de eventos TPM2 después de un kexec es cuestionable, cualquier corrupción podría enviar el código de análisis a la maleza y bloquear el kernel. Así que usemos EFI_ACPI_RECLAIM_MEMORY en su lugar, que siempre se trata como reservado por la lógica de conversión E820."}],"metrics":{"cvssMetricV31":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","baseScore":5.5,"baseSeverity":"MEDIUM","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":1.8,"impactScore":3.6}]},"weaknesses":[{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"NVD-CWE-noinfo"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.10.227","matchCriteriaId":"EB525A44-6338-4857-AD90-EA2860D1AD1F"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.11","versionEndExcluding":"5.15.168","matchCriteriaId":"4D51C05D-455B-4D8D-89E7-A58E140B864C"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.16","versionEndExcluding":"6.1.113","matchCriteriaId":"D01BD22E-ACD1-4618-9D01-6116570BE1EE"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.2","versionEndExcluding":"6.6.54","matchCriteriaId":"D448821D-C085-4CAF-88FA-2DDE7BE21976"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.7","versionEndExcluding":"6.10.13","matchCriteriaId":"CE94BB8D-B0AB-4563-9ED7-A12122B56EBE"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.11","versionEndExcluding":"6.11.2","matchCriteriaId":"AB755D26-97F4-43B6-8604-CD076811E181"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/11690d7e76842f29b60fbb5b35bc97d206ea0e83","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/19fd2f2c5fb36b61506d3208474bfd8fdf1cada3","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/2e6871a632a99d9b9e2ce3a7847acabe99e5a26e","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/38d9b07d99b789efb6d8dda21f1aaad636c38993","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/5b22c038fb2757c652642933de5664da471f8cb7","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/77d48d39e99170b528e4f2e9fc5d1d64cdedd386","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/f76b69ab9cf04358266e3cea5748c0c2791fbb08","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html","source":"af854a3a-2127-422b-91ae-364da2661108"}]}}]}