mirror of
https://github.com/fkie-cad/nvd-json-data-feeds.git
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157 lines
8.8 KiB
JSON
157 lines
8.8 KiB
JSON
{
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"id": "CVE-2024-53097",
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"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"published": "2024-11-25T22:15:15.763",
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"lastModified": "2024-12-24T15:44:19.850",
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"vulnStatus": "Analyzed",
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"cveTags": [],
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"descriptions": [
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{
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"lang": "en",
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmm: krealloc: Fix MTE false alarm in __do_krealloc\n\nThis patch addresses an issue introduced by commit 1a83a716ec233 (\"mm:\nkrealloc: consider spare memory for __GFP_ZERO\") which causes MTE\n(Memory Tagging Extension) to falsely report a slab-out-of-bounds error.\n\nThe problem occurs when zeroing out spare memory in __do_krealloc. The\noriginal code only considered software-based KASAN and did not account\nfor MTE. It does not reset the KASAN tag before calling memset, leading\nto a mismatch between the pointer tag and the memory tag, resulting\nin a false positive.\n\nExample of the error:\n==================================================================\nswapper/0: BUG: KASAN: slab-out-of-bounds in __memset+0x84/0x188\nswapper/0: Write at addr f4ffff8005f0fdf0 by task swapper/0/1\nswapper/0: Pointer tag: [f4], memory tag: [fe]\nswapper/0:\nswapper/0: CPU: 4 UID: 0 PID: 1 Comm: swapper/0 Not tainted 6.12.\nswapper/0: Hardware name: MT6991(ENG) (DT)\nswapper/0: Call trace:\nswapper/0: dump_backtrace+0xfc/0x17c\nswapper/0: show_stack+0x18/0x28\nswapper/0: dump_stack_lvl+0x40/0xa0\nswapper/0: print_report+0x1b8/0x71c\nswapper/0: kasan_report+0xec/0x14c\nswapper/0: __do_kernel_fault+0x60/0x29c\nswapper/0: do_bad_area+0x30/0xdc\nswapper/0: do_tag_check_fault+0x20/0x34\nswapper/0: do_mem_abort+0x58/0x104\nswapper/0: el1_abort+0x3c/0x5c\nswapper/0: el1h_64_sync_handler+0x80/0xcc\nswapper/0: el1h_64_sync+0x68/0x6c\nswapper/0: __memset+0x84/0x188\nswapper/0: btf_populate_kfunc_set+0x280/0x3d8\nswapper/0: __register_btf_kfunc_id_set+0x43c/0x468\nswapper/0: register_btf_kfunc_id_set+0x48/0x60\nswapper/0: register_nf_nat_bpf+0x1c/0x40\nswapper/0: nf_nat_init+0xc0/0x128\nswapper/0: do_one_initcall+0x184/0x464\nswapper/0: do_initcall_level+0xdc/0x1b0\nswapper/0: do_initcalls+0x70/0xc0\nswapper/0: do_basic_setup+0x1c/0x28\nswapper/0: kernel_init_freeable+0x144/0x1b8\nswapper/0: kernel_init+0x20/0x1a8\nswapper/0: ret_from_fork+0x10/0x20\n=================================================================="
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},
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{
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"lang": "es",
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"value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: mm: krealloc: corrige la falsa alarma de MTE en __do_krealloc Este parche soluciona un problema introducido por el commit 1a83a716ec233 (\"mm: krealloc: considere la memoria de repuesto para __GFP_ZERO\") que hace que MTE (extensi\u00f3n de etiquetado de memoria) informe falsamente un error de losa fuera de los l\u00edmites. El problema ocurre al poner a cero la memoria de repuesto en __do_krealloc. El c\u00f3digo original solo consideraba KASAN basado en software y no ten\u00eda en cuenta MTE. No restablece la etiqueta KASAN antes de llamar a memset, lo que lleva a una falta de coincidencia entre la etiqueta del puntero y la etiqueta de memoria, lo que resulta en un falso positivo. Ejemplo del error: ================================================================== swapper/0: ERROR: KASAN: slab fuera de los l\u00edmites en __memset+0x84/0x188 swapper/0: Escritura en la direcci\u00f3n f4ffff8005f0fdf0 por la tarea swapper/0/1 swapper/0: Etiqueta de puntero: [f4], etiqueta de memoria: [fe] swapper/0: swapper/0: CPU: 4 UID: 0 PID: 1 Comm: swapper/0 No contaminado 6.12. swapper/0: Nombre del hardware: MT6991(ENG) (DT) swapper/0: Rastreo de llamadas: swapper/0: dump_backtrace+0xfc/0x17c swapper/0: show_stack+0x18/0x28 swapper/0: dump_stack_lvl+0x40/0xa0 swapper/0: print_report+0x1b8/0x71c swapper/0: kasan_report+0xec/0x14c swapper/0: __do_kernel_fault+0x60/0x29c swapper/0: do_bad_area+0x30/0xdc swapper/0: do_tag_check_fault+0x20/0x34 swapper/0: do_mem_abort+0x58/0x104 swapper/0: el1_abort+0x3c/0x5c intercambiador/0: el1h_64_sync_handler+0x80/0xcc intercambiador/0: el1h_64_sync+0x68/0x6c intercambiador/0: __memset+0x84/0x188 intercambiador/0: btf_populate_kfunc_set+0x280/0x3d8 intercambiador/0: __register_btf_kfunc_id_set+0x43c/0x468 intercambiador/0: register_btf_kfunc_id_set+0x48/0x60 intercambiador/0: register_nf_nat_bpf+0x1c/0x40 intercambiador/0: nf_nat_init+0xc0/0x128 intercambiador/0: do_one_initcall+0x184/0x464 intercambiador/0: do_initcall_level+0xdc/0x1b0 intercambiador/0: do_initcalls+0x70/0xc0 intercambiador/0: do_basic_setup+0x1c/0x28 intercambiador/0: kernel_init_freeable+0x144/0x1b8 intercambiador/0: kernel_init+0x20/0x1a8 intercambiador/0: ret_from_fork+0x10/0x20 ===================================================================="
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}
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],
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"metrics": {
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"cvssMetricV31": [
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{
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"source": "nvd@nist.gov",
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"type": "Primary",
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"cvssData": {
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"version": "3.1",
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"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
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"baseScore": 5.5,
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"baseSeverity": "MEDIUM",
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"attackVector": "LOCAL",
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"attackComplexity": "LOW",
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"privilegesRequired": "LOW",
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"userInteraction": "NONE",
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"scope": "UNCHANGED",
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"confidentialityImpact": "NONE",
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"integrityImpact": "NONE",
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"availabilityImpact": "HIGH"
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},
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"exploitabilityScore": 1.8,
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"impactScore": 3.6
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}
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]
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},
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"weaknesses": [
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{
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"source": "nvd@nist.gov",
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"type": "Primary",
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"description": [
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{
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"lang": "en",
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"value": "NVD-CWE-noinfo"
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}
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]
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}
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],
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"configurations": [
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{
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"nodes": [
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"operator": "OR",
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"negate": false,
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"references": [
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{
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"url": "https://git.kernel.org/stable/c/3dfb40da84f26dd35dd9bbaf626a2424565b8406",
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