CVE-2021-47576 (GCVE-0-2021-47576)
Vulnerability from cvelistv5
Published
2024-06-19 14:53
Modified
2025-05-04 07:14
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: scsi: scsi_debug: Sanity check block descriptor length in resp_mode_select() In resp_mode_select() sanity check the block descriptor len to avoid UAF. BUG: KASAN: use-after-free in resp_mode_select+0xa4c/0xb40 drivers/scsi/scsi_debug.c:2509 Read of size 1 at addr ffff888026670f50 by task scsicmd/15032 CPU: 1 PID: 15032 Comm: scsicmd Not tainted 5.15.0-01d0625 #15 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Call Trace: <TASK> 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 drivers/scsi/scsi_debug.c:5483 scsi_debug_queuecommand+0x8c9/0x1e70 drivers/scsi/scsi_debug.c:7537 scsi_queue_rq+0x16b4/0x2d10 drivers/scsi/scsi_lib.c:1521 blk_mq_dispatch_rq_list+0xb9b/0x2700 block/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 block/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 block/blk-mq-sched.c:474 blk_execute_rq_nowait+0x16b/0x1c0 block/blk-exec.c:63 sg_common_write.isra.18+0xeb3/0x2000 drivers/scsi/sg.c:837 sg_new_write.isra.19+0x570/0x8c0 drivers/scsi/sg.c:775 sg_ioctl_common+0x14d6/0x2710 drivers/scsi/sg.c:941 sg_ioctl+0xa2/0x180 drivers/scsi/sg.c:1166 __x64_sys_ioctl+0x19d/0x220 fs/ioctl.c:52 do_syscall_64+0x3a/0x80 arch/x86/entry/common.c:50 entry_SYSCALL_64_after_hwframe+0x44/0xae arch/x86/entry/entry_64.S:113
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/04181973c38f3d6a353f9246dcf7fee08024fd9ePatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/90491283b4064220682e4b0687d07b05df01e3bfPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/a9078e791426c2cbbdf28a320c3670f6e0a611e6Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/adcecd50da6cab7b4957cba0606771dcc846c5a9Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/b847ecff850719c46c95acd25a0d555dfd16e10dPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/dfc3fff63793c571147930b13c0f8c689c4281acPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/e0a2c28da11e2c2b963fc01d50acbf03045ac732Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/04181973c38f3d6a353f9246dcf7fee08024fd9ePatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/90491283b4064220682e4b0687d07b05df01e3bfPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/a9078e791426c2cbbdf28a320c3670f6e0a611e6Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/adcecd50da6cab7b4957cba0606771dcc846c5a9Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/b847ecff850719c46c95acd25a0d555dfd16e10dPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/dfc3fff63793c571147930b13c0f8c689c4281acPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/e0a2c28da11e2c2b963fc01d50acbf03045ac732Patch
Impacted products
Vendor Product Version
Linux Linux Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
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    "nvd": "{\"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 \u003cTASK\u003e\\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 tama\u00f1o 1 en la direcci\u00f3n ffff888026670f50 por tarea scsicmd/15032 CPU: 1 PID: 15032 Comm: scsicmd Not tainted 5.15.0 -01d0625 #15 Nombre del hardware: PC est\u00e1ndar 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 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}