CVE-2024-44966

{"id": "CVE-2024-44966", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 1.8}]}, "published": "2024-09-04T19:15:31.060", "references": [{"url": "https://git.kernel.org/stable/c/3a684499261d0f7ed5ee72793025c88c2276809c", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/3eb3cd5992f7a0c37edc8d05b4c38c98758d8671", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/49df34d2b7da9e57c839555a2f7877291ce45ad1", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/9350ba06ee61db392c486716ac68ecc20e030f7c", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/af65d5383854cc3f172a7d0843b628758bf462c8", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "NVD-CWE-noinfo"}]}], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbinfmt_flat: Fix corruption when not offsetting data start\n\nCommit 04d82a6d0881 (\"binfmt_flat: allow not offsetting data start\")\nintroduced a RISC-V specific variant of the FLAT format which does\nnot allocate any space for the (obsolete) array of shared library\npointers. However, it did not disable the code which initializes the\narray, resulting in the corruption of sizeof(long) bytes before the DATA\nsegment, generally the end of the TEXT segment.\n\nIntroduce MAX_SHARED_LIBS_UPDATE which depends on the state of\nCONFIG_BINFMT_FLAT_NO_DATA_START_OFFSET to guard the initialization of\nthe shared library pointer region so that it will only be initialized\nif space is reserved for it."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: binfmt_flat: Se corrige la corrupci\u00f3n cuando no se compensa el inicio de los datos. El commit 04d82a6d0881 (\"binfmt_flat: permitir no compensar el inicio de los datos\") introdujo una variante espec\u00edfica de RISC-V del formato FLAT que no asigna ning\u00fan espacio para la matriz (obsoleta) de punteros de librer\u00eda compartida. Sin embargo, no deshabilit\u00f3 el c\u00f3digo que inicializa la matriz, lo que result\u00f3 en la corrupci\u00f3n de sizeof(long) bytes antes del segmento DATA, generalmente el final del segmento TEXT. Introduzca MAX_SHARED_LIBS_UPDATE que depende del estado de CONFIG_BINFMT_FLAT_NO_DATA_START_OFFSET para proteger la inicializaci\u00f3n de la regi\u00f3n del puntero de la librer\u00eda compartida de modo que solo se inicialice si se reserva espacio para ella."}], "lastModified": "2024-10-04T16:15:30.047", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C9AF5ED3-AC3F-4864-B907-F7C809A8995E", "versionEndExcluding": "5.15.165", "versionStartIncluding": "5.13"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "3F3AF3DA-1553-4AB8-97CC-7D0C91E4E23F", "versionEndExcluding": "6.1.106", "versionStartIncluding": "5.16"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F450D4D2-61CE-4595-B7D1-CA382E2028E9", "versionEndExcluding": "6.6.47", "versionStartIncluding": "6.2"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C1CDF130-CCA6-47F6-9718-8949BF4E05CC", "versionEndExcluding": "6.10.6", "versionStartIncluding": "6.7"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.11:rc1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "8B3CE743-2126-47A3-8B7C-822B502CF119"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.11:rc2:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "4DEB27E7-30AA-45CC-8934-B89263EF3551"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.11:rc3:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E0005AEF-856E-47EB-BFE4-90C46899394D"}], "operator": "OR"}]}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}