cve-2024-27042
Vulnerability from cvelistv5
Published
2024-05-01 12:54
Modified
2024-08-02 00:21
Severity
Summary
drm/amdgpu: Fix potential out-of-bounds access in 'amdgpu_discovery_reg_base_init()'
References
SourceURLTags
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/8db10cee51e3e11a6658742465edc21986cf1e8d
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/8f3e68c6a3fff53c2240762a47a0045d89371775
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/b33d4af102b9c1f7a83d3f0ad3cab7d2bab8f058
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/cdb637d339572398821204a1142d8d615668f1e9
Impacted products
VendorProduct
LinuxLinux
LinuxLinux
Show details on NVD website

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    "nvd": "{\"cve\":{\"id\":\"CVE-2024-27042\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-05-01T13:15:49.690\",\"lastModified\":\"2024-05-01T19:50:25.633\",\"vulnStatus\":\"Awaiting Analysis\",\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\ndrm/amdgpu: Fix potential out-of-bounds access in \u0027amdgpu_discovery_reg_base_init()\u0027\\n\\nThe issue arises when the array \u0027adev-\u003evcn.vcn_config\u0027 is accessed\\nbefore checking if the index \u0027adev-\u003evcn.num_vcn_inst\u0027 is within the\\nbounds of the array.\\n\\nThe fix involves moving the bounds check before the array access. This\\nensures that \u0027adev-\u003evcn.num_vcn_inst\u0027 is within the bounds of the array\\nbefore it is used as an index.\\n\\nFixes the below:\\ndrivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c:1289 amdgpu_discovery_reg_base_init() error: testing array offset \u0027adev-\u003evcn.num_vcn_inst\u0027 after use.\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: drm/amdgpu: corrige el posible acceso fuera de los l\u00edmites en \u0027amdgpu_discovery_reg_base_init()\u0027. El problema surge cuando se accede a la matriz \u0027adev-\u0026gt;vcn.vcn_config\u0027 antes de verificar si el El \u00edndice \u0027adev-\u0026gt;vcn.num_vcn_inst\u0027 est\u00e1 dentro de los l\u00edmites de la matriz. La soluci\u00f3n implica mover la verificaci\u00f3n de los l\u00edmites antes del acceso a la matriz. Esto garantiza que \u0027adev-\u0026gt;vcn.num_vcn_inst\u0027 est\u00e9 dentro de los l\u00edmites de la matriz antes de usarlo como \u00edndice. Corrige lo siguiente: drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c:1289 error amdgpu_discovery_reg_base_init(): prueba de desplazamiento de matriz \u0027adev-\u0026gt;vcn.num_vcn_inst\u0027 despu\u00e9s de su uso.\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/8db10cee51e3e11a6658742465edc21986cf1e8d\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/8f3e68c6a3fff53c2240762a47a0045d89371775\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/b33d4af102b9c1f7a83d3f0ad3cab7d2bab8f058\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/cdb637d339572398821204a1142d8d615668f1e9\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
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