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{
"id": "CVE-2024-26842",
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"published": "2024-04-17T10:15:09.997",
"lastModified": "2025-03-04T15:36:04.323",
"vulnStatus": "Analyzed",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: ufs: core: Fix shift issue in ufshcd_clear_cmd()\n\nWhen task_tag >= 32 (in MCQ mode) and sizeof(unsigned int) == 4, 1U <<\ntask_tag will out of bounds for a u32 mask. Fix this up to prevent\nSHIFT_ISSUE (bitwise shifts that are out of bounds for their data type).\n\n[name:debug_monitors&]Unexpected kernel BRK exception at EL1\n[name:traps&]Internal error: BRK handler: 00000000f2005514 [#1] PREEMPT SMP\n[name:mediatek_cpufreq_hw&]cpufreq stop DVFS log done\n[name:mrdump&]Kernel Offset: 0x1ba5800000 from 0xffffffc008000000\n[name:mrdump&]PHYS_OFFSET: 0x80000000\n[name:mrdump&]pstate: 22400005 (nzCv daif +PAN -UAO)\n[name:mrdump&]pc : [0xffffffdbaf52bb2c] ufshcd_clear_cmd+0x280/0x288\n[name:mrdump&]lr : [0xffffffdbaf52a774] ufshcd_wait_for_dev_cmd+0x3e4/0x82c\n[name:mrdump&]sp : ffffffc0081471b0\n<snip>\nWorkqueue: ufs_eh_wq_0 ufshcd_err_handler\nCall trace:\n dump_backtrace+0xf8/0x144\n show_stack+0x18/0x24\n dump_stack_lvl+0x78/0x9c\n dump_stack+0x18/0x44\n mrdump_common_die+0x254/0x480 [mrdump]\n ipanic_die+0x20/0x30 [mrdump]\n notify_die+0x15c/0x204\n die+0x10c/0x5f8\n arm64_notify_die+0x74/0x13c\n do_debug_exception+0x164/0x26c\n el1_dbg+0x64/0x80\n el1h_64_sync_handler+0x3c/0x90\n el1h_64_sync+0x68/0x6c\n ufshcd_clear_cmd+0x280/0x288\n ufshcd_wait_for_dev_cmd+0x3e4/0x82c\n ufshcd_exec_dev_cmd+0x5bc/0x9ac\n ufshcd_verify_dev_init+0x84/0x1c8\n ufshcd_probe_hba+0x724/0x1ce0\n ufshcd_host_reset_and_restore+0x260/0x574\n ufshcd_reset_and_restore+0x138/0xbd0\n ufshcd_err_handler+0x1218/0x2f28\n process_one_work+0x5fc/0x1140\n worker_thread+0x7d8/0xe20\n kthread+0x25c/0x468\n ret_from_fork+0x10/0x20"
},
{
"lang": "es",
"value": "En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: scsi: ufs: core: solucione el problema de cambio en ufshcd_clear_cmd() Cuando task_tag &gt;= 32 (en modo MCQ) y sizeof(unsigned int) == 4, 1U &lt;&lt; task_tag ser\u00e1 fuera de los l\u00edmites para una m\u00e1scara u32. Solucione esto para evitar SHIFT_ISSUE (desplazamientos bit a bit que est\u00e1n fuera de los l\u00edmites de su tipo de datos). [nombre:debug_monitors&amp;]Excepci\u00f3n inesperada de BRK del kernel en EL1 [nombre:traps&amp;]Error interno: controlador BRK: 00000000f2005514 [#1] PREEMPT SMP [nombre:mediatek_cpufreq_hw&amp;]cpufreq detiene el registro DVFS hecho [nombre:mrdump&amp;]Kernel Offset: 0x1ba5800000 de 0xffffffc0 08000000 [nombre:mrdump&amp;]PHYS_OFFSET: 0x80000000 [nombre:mrdump&amp;]pstate: 22400005 (nzCv daif +PAN -UAO) [nombre:mrdump&amp;]pc: [0xffffffdbaf52bb2c] ufshcd_clear_cmd+0x280/0x288 [nombre:mrdump&amp;]lr: [0xffffffdbaf52 a774] ufshcd_wait_for_dev_cmd +0x3e4/0x82c [nombre:mrdump&amp;]sp: ffffffc0081471b0 Cola de trabajo: ufs_eh_wq_0 ufshcd_err_handler Rastreo de llamadas: dump_backtrace+0xf8/0x144 show_stack+0x18/0x24 dump_stack_lvl+0x78/0x9c dump_stack+0x1 8/0x44 mrdump_common_die+0x254/0x480 [mrdump] ipanic_die+0x20/0x30 [mrdump] notify_die+0x15c/0x204 die+0x10c/0x5f8 arm64_notify_die+0x74/0x13c do_debug_exception+0x164/0x26c el1_dbg+0x64/0x80 el1h_64_sync_handler+0x3c/0x90 el 1h_64_sync+0x68/0x6c ufshcd_clear_cmd+0x280/0x288 ufshcd_wait_for_dev_cmd+ 0x3e4/0x82c ufshcd_exec_dev_cmd+0x5bc/0x9ac ufshcd_verify_dev_init+0x84/0x1c8 ufshcd_probe_hba+0x724/0x1ce0 ufshcd_host_reset_and_restore+0x260/0x574 ufshcd_reset_and_restore+0x13 8/0xbd0 ufshcd_err_handler+0x1218/0x2f28 proceso_one_work+0x5fc/0x1140 trabajador_thread+0x7d8/0xe20 kthread+0x25c/0x468 ret_from_fork+ 0x10/0x20"
}
],
"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:H/I:H/A:H",
"baseScore": 7.8,
"baseSeverity": "HIGH",
"attackVector": "LOCAL",
"attackComplexity": "LOW",
"privilegesRequired": "LOW",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"availabilityImpact": "HIGH"
},
"exploitabilityScore": 1.8,
"impactScore": 5.9
}
]
},
"weaknesses": [
{
"source": "nvd@nist.gov",
"type": "Secondary",
"description": [
{
"lang": "en",
"value": "CWE-787"
}
]
}
],
"configurations": [
{
"nodes": [
{
"operator": "OR",
"negate": false,
"cpeMatch": [
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"references": [
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