{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-04-18T03:19:10.660","vulnerabilities":[{"cve":{"id":"CVE-2021-47576","sourceIdentifier":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","published":"2024-06-19T15:15:52.117","lastModified":"2024-11-21T06:36:35.137","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: scsi_debug: Sanity check block descriptor length in resp_mode_select()\n\nIn resp_mode_select() sanity check the block descriptor len to avoid UAF.\n\nBUG: KASAN: use-after-free in resp_mode_select+0xa4c/0xb40 drivers/scsi/scsi_debug.c:2509\nRead of size 1 at addr ffff888026670f50 by task scsicmd/15032\n\nCPU: 1 PID: 15032 Comm: scsicmd Not tainted 5.15.0-01d0625 #15\nHardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS\nCall Trace:\n <TASK>\n dump_stack_lvl+0x89/0xb5 lib/dump_stack.c:107\n print_address_description.constprop.9+0x28/0x160 mm/kasan/report.c:257\n kasan_report.cold.14+0x7d/0x117 mm/kasan/report.c:443\n __asan_report_load1_noabort+0x14/0x20 mm/kasan/report_generic.c:306\n resp_mode_select+0xa4c/0xb40 drivers/scsi/scsi_debug.c:2509\n schedule_resp+0x4af/0x1a10 drivers/scsi/scsi_debug.c:5483\n scsi_debug_queuecommand+0x8c9/0x1e70 drivers/scsi/scsi_debug.c:7537\n scsi_queue_rq+0x16b4/0x2d10 drivers/scsi/scsi_lib.c:1521\n blk_mq_dispatch_rq_list+0xb9b/0x2700 block/blk-mq.c:1640\n __blk_mq_sched_dispatch_requests+0x28f/0x590 block/blk-mq-sched.c:325\n blk_mq_sched_dispatch_requests+0x105/0x190 block/blk-mq-sched.c:358\n __blk_mq_run_hw_queue+0xe5/0x150 block/blk-mq.c:1762\n __blk_mq_delay_run_hw_queue+0x4f8/0x5c0 block/blk-mq.c:1839\n blk_mq_run_hw_queue+0x18d/0x350 block/blk-mq.c:1891\n blk_mq_sched_insert_request+0x3db/0x4e0 block/blk-mq-sched.c:474\n blk_execute_rq_nowait+0x16b/0x1c0 block/blk-exec.c:63\n sg_common_write.isra.18+0xeb3/0x2000 drivers/scsi/sg.c:837\n sg_new_write.isra.19+0x570/0x8c0 drivers/scsi/sg.c:775\n sg_ioctl_common+0x14d6/0x2710 drivers/scsi/sg.c:941\n sg_ioctl+0xa2/0x180 drivers/scsi/sg.c:1166\n __x64_sys_ioctl+0x19d/0x220 fs/ioctl.c:52\n do_syscall_64+0x3a/0x80 arch/x86/entry/common.c:50\n entry_SYSCALL_64_after_hwframe+0x44/0xae arch/x86/entry/entry_64.S:113"},{"lang":"es","value":"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: scsi: scsi_debug: Verifique la longitud del descriptor del bloque en resp_mode_select() En resp_mode_select(), verifique la longitud del descriptor del bloque para evitar UAF. ERROR: KASAN: use-after-free en resp_mode_select+0xa4c/0xb40 drivers/scsi/scsi_debug.c:2509 Lectura del tamaño 1 en la dirección ffff888026670f50 por tarea scsicmd/15032 CPU: 1 PID: 15032 Comm: scsicmd Not tainted 5.15.0 -01d0625 #15 Nombre del hardware: PC estándar QEMU (i440FX + PIIX, 1996), seguimiento de llamadas del BIOS:  dump_stack_lvl+0x89/0xb5 lib/dump_stack.c:107 print_address_description.constprop.9+0x28/0x160 mm/kasan/ report.c:257 kasan_report.cold.14+0x7d/0x117 mm/kasan/report.c:443 __asan_report_load1_noabort+0x14/0x20 mm/kasan/report_generic.c:306 resp_mode_select+0xa4c/0xb40 drivers/scsi/scsi_debug.c: 2509 Schedule_resp+0x4af/0x1a10 controladores/scsi/scsi_debug.c:5483 scsi_debug_queuecommand+0x8c9/0x1e70 controladores/scsi/scsi_debug.c:7537 scsi_queue_rq+0x16b4/0x2d10 controladores/scsi/scsi_lib.c:1521 blk_mq_dispatch_rq_list+0xb9b/0x2700 bloque/ blk-mq.c:1640 __blk_mq_sched_dispatch_requests+0x28f/0x590 block/blk-mq-sched.c:325 blk_mq_sched_dispatch_requests+0x105/0x190 block/blk-mq-sched.c:358 __blk_mq_run_hw_queue+0xe5/ 0x150 cuadra/blk-mq. c:1762 __blk_mq_delay_run_hw_queue+0x4f8/0x5c0 block/blk-mq.c:1839 blk_mq_run_hw_queue+0x18d/0x350 block/blk-mq.c:1891 blk_mq_sched_insert_request+0x3db/0x4e0 ched.c:474 blk_execute_rq_nowait+0x16b /0x1c0 block/blk-exec.c:63 sg_common_write.isra.18+0xeb3/0x2000 controladores/scsi/sg.c:837 sg_new_write.isra.19+0x570/0x8c0 controladores/scsi/sg.c:775 sg_ioctl_common+0x14d6 /0x2710 controladores/scsi/sg.c:941 sg_ioctl+0xa2/0x180 controladores/scsi/sg.c:1166 __x64_sys_ioctl+0x19d/0x220 fs/ioctl.c:52 do_syscall_64+0x3a/0x80 arch/x86/entry/common. c:50 entrada_SYSCALL_64_after_hwframe+0x44/0xae arch/x86/entry/entry_64.S:113"}],"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":"Primary","description":[{"lang":"en","value":"CWE-416"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"4.9.294","matchCriteriaId":"7005937B-711D-4687-9D97-38F4302A61F3"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.10","versionEndExcluding":"4.14.259","matchCriteriaId":"390D64FF-1DB7-4DD1-ADEF-CE96BEA2607C"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.15","versionEndExcluding":"4.19.222","matchCriteriaId":"2D0D89BC-6CF8-4BFB-8C91-472348052528"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.20","versionEndExcluding":"5.4.168","matchCriteriaId":"195EBAA1-4CCE-4898-9351-F4A0DBCAA022"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.5","versionEndExcluding":"5.10.88","matchCriteriaId":"A657B2D0-5B9D-42BE-A3BF-228DBC1B057C"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.11","versionEndExcluding":"5.15.11","matchCriteriaId":"11274E95-438A-449A-B100-01B2B0046669"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/04181973c38f3d6a353f9246dcf7fee08024fd9e","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/90491283b4064220682e4b0687d07b05df01e3bf","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/a9078e791426c2cbbdf28a320c3670f6e0a611e6","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/adcecd50da6cab7b4957cba0606771dcc846c5a9","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/b847ecff850719c46c95acd25a0d555dfd16e10d","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/dfc3fff63793c571147930b13c0f8c689c4281ac","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/e0a2c28da11e2c2b963fc01d50acbf03045ac732","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/04181973c38f3d6a353f9246dcf7fee08024fd9e","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/90491283b4064220682e4b0687d07b05df01e3bf","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/a9078e791426c2cbbdf28a320c3670f6e0a611e6","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/adcecd50da6cab7b4957cba0606771dcc846c5a9","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/b847ecff850719c46c95acd25a0d555dfd16e10d","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/dfc3fff63793c571147930b13c0f8c689c4281ac","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/e0a2c28da11e2c2b963fc01d50acbf03045ac732","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch"]}]}}]}