cve-2021-47576
Vulnerability from cvelistv5
Published
2024-06-19 14:53
Modified
2024-11-04 12:08
Severity ?
Summary
scsi: scsi_debug: Sanity check block descriptor length in resp_mode_select()
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
Impacted products
Vendor Product Version
Linux Linux
Show details on NVD website

To clipboard 

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    "cveId": "CVE-2021-47576",
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    "nvd": "{\"cve\":{\"id\":\"CVE-2021-47576\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-06-19T15:15:52.117\",\"lastModified\":\"2024-08-27T15:47:25.537\",\"vulnStatus\":\"Analyzed\",\"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 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\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\",\"baseScore\":7.8,\"baseSeverity\":\"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\"]}]}}"
  }
}


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