[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"repo-stars":3,"vuln-CVE-2021-47341":6},{"stargazers_count":4,"fetched_at":5},7,"2026-06-04T08:53:30.047Z",{"id":7,"descriptions":8,"cisa":9,"weaknesses":10,"exploits":20,"aliases":21,"duplicate_of":9,"upstream":22,"downstream":23,"duplicates":40,"related":41,"reserved_at":9,"published_at":48,"modified_at":49,"state":50,"summary":51,"references_raw":60,"kevs":83,"epss":84,"epss_history":87,"metrics":353,"affected":359},"CVE-2021-47341","In the Linux kernel, the following vulnerability has been resolved:\n\nKVM: mmio: Fix use-after-free Read in kvm_vm_ioctl_unregister_coalesced_mmio\n\nBUG: KASAN: use-after-free in kvm_vm_ioctl_unregister_coalesced_mmio+0x7c/0x1ec arch/arm64/kvm/../../../virt/kvm/coalesced_mmio.c:183\nRead of size 8 at addr ffff0000c03a2500 by task syz-executor083/4269\n\nCPU: 5 PID: 4269 Comm: syz-executor083 Not tainted 5.10.0 #7\nHardware name: linux,dummy-virt (DT)\nCall trace:\n dump_backtrace+0x0/0x2d0 arch/arm64/kernel/stacktrace.c:132\n show_stack+0x28/0x34 arch/arm64/kernel/stacktrace.c:196\n __dump_stack lib/dump_stack.c:77 [inline]\n dump_stack+0x110/0x164 lib/dump_stack.c:118\n print_address_description+0x78/0x5c8 mm/kasan/report.c:385\n __kasan_report mm/kasan/report.c:545 [inline]\n kasan_report+0x148/0x1e4 mm/kasan/report.c:562\n check_memory_region_inline mm/kasan/generic.c:183 [inline]\n __asan_load8+0xb4/0xbc mm/kasan/generic.c:252\n kvm_vm_ioctl_unregister_coalesced_mmio+0x7c/0x1ec arch/arm64/kvm/../../../virt/kvm/coalesced_mmio.c:183\n kvm_vm_ioctl+0xe30/0x14c4 arch/arm64/kvm/../../../virt/kvm/kvm_main.c:3755\n vfs_ioctl fs/ioctl.c:48 [inline]\n __do_sys_ioctl fs/ioctl.c:753 [inline]\n __se_sys_ioctl fs/ioctl.c:739 [inline]\n __arm64_sys_ioctl+0xf88/0x131c fs/ioctl.c:739\n __invoke_syscall arch/arm64/kernel/syscall.c:36 [inline]\n invoke_syscall arch/arm64/kernel/syscall.c:48 [inline]\n el0_svc_common arch/arm64/kernel/syscall.c:158 [inline]\n do_el0_svc+0x120/0x290 arch/arm64/kernel/syscall.c:220\n el0_svc+0x1c/0x28 arch/arm64/kernel/entry-common.c:367\n el0_sync_handler+0x98/0x170 arch/arm64/kernel/entry-common.c:383\n el0_sync+0x140/0x180 arch/arm64/kernel/entry.S:670\n\nAllocated by task 4269:\n stack_trace_save+0x80/0xb8 kernel/stacktrace.c:121\n kasan_save_stack mm/kasan/common.c:48 [inline]\n kasan_set_track mm/kasan/common.c:56 [inline]\n __kasan_kmalloc+0xdc/0x120 mm/kasan/common.c:461\n kasan_kmalloc+0xc/0x14 mm/kasan/common.c:475\n kmem_cache_alloc_trace include/linux/slab.h:450 [inline]\n kmalloc include/linux/slab.h:552 [inline]\n kzalloc include/linux/slab.h:664 [inline]\n kvm_vm_ioctl_register_coalesced_mmio+0x78/0x1cc arch/arm64/kvm/../../../virt/kvm/coalesced_mmio.c:146\n kvm_vm_ioctl+0x7e8/0x14c4 arch/arm64/kvm/../../../virt/kvm/kvm_main.c:3746\n vfs_ioctl fs/ioctl.c:48 [inline]\n __do_sys_ioctl fs/ioctl.c:753 [inline]\n __se_sys_ioctl fs/ioctl.c:739 [inline]\n __arm64_sys_ioctl+0xf88/0x131c fs/ioctl.c:739\n __invoke_syscall arch/arm64/kernel/syscall.c:36 [inline]\n invoke_syscall arch/arm64/kernel/syscall.c:48 [inline]\n el0_svc_common arch/arm64/kernel/syscall.c:158 [inline]\n do_el0_svc+0x120/0x290 arch/arm64/kernel/syscall.c:220\n el0_svc+0x1c/0x28 arch/arm64/kernel/entry-common.c:367\n el0_sync_handler+0x98/0x170 arch/arm64/kernel/entry-common.c:383\n el0_sync+0x140/0x180 arch/arm64/kernel/entry.S:670\n\nFreed by task 4269:\n stack_trace_save+0x80/0xb8 kernel/stacktrace.c:121\n kasan_save_stack mm/kasan/common.c:48 [inline]\n kasan_set_track+0x38/0x6c mm/kasan/common.c:56\n kasan_set_free_info+0x20/0x40 mm/kasan/generic.c:355\n __kasan_slab_free+0x124/0x150 mm/kasan/common.c:422\n kasan_slab_free+0x10/0x1c mm/kasan/common.c:431\n slab_free_hook mm/slub.c:1544 [inline]\n slab_free_freelist_hook mm/slub.c:1577 [inline]\n slab_free mm/slub.c:3142 [inline]\n kfree+0x104/0x38c mm/slub.c:4124\n coalesced_mmio_destructor+0x94/0xa4 arch/arm64/kvm/../../../virt/kvm/coalesced_mmio.c:102\n kvm_iodevice_destructor include/kvm/iodev.h:61 [inline]\n kvm_io_bus_unregister_dev+0x248/0x280 arch/arm64/kvm/../../../virt/kvm/kvm_main.c:4374\n kvm_vm_ioctl_unregister_coalesced_mmio+0x158/0x1ec arch/arm64/kvm/../../../virt/kvm/coalesced_mmio.c:186\n kvm_vm_ioctl+0xe30/0x14c4 arch/arm64/kvm/../../../virt/kvm/kvm_main.c:3755\n vfs_ioctl fs/ioctl.c:48 [inline]\n __do_sys_ioctl fs/ioctl.c:753 [inline]\n __se_sys_ioctl fs/ioctl.c:739 [inline]\n __arm64_sys_ioctl+0xf88/0x131c fs/ioctl.c:739\n __invoke_syscall arch/arm64/kernel/syscall.c:36 [inline]\n invoke_syscall arch/arm64/kernel/sys\n---truncated---",null,[11],{"_key":12,"id":12,"name":13,"description":14,"type":15,"status":16,"abstraction":17,"likelihood_of_exploit":18,"capec":19},"CWE-416","Use After Free","The product reuses or references memory after it has been freed. At some point afterward, the memory may be allocated again and saved in another pointer, while the original pointer references a location somewhere within the new allocation. Any operations using the original pointer are no longer valid because the memory \"belongs\" to the code that operates on the new pointer.","weakness","Stable","Variant","High",[],[],[],[],[24,26,28,30,32,34,36,38],{"_key":25},"SUSE-SU-2024:2185-1",{"_key":27},"SUSE-SU-2024:2010-1",{"_key":29},"SUSE-SU-2024:2183-1",{"_key":31},"SUSE-SU-2024:3189-1",{"_key":33},"SUSE-SU-2024:3251-1",{"_key":35},"SUSE-SU-2024:3252-1",{"_key":37},"UBUNTU-CVE-2021-47341",{"_key":39},"DEBIAN-CVE-2021-47341",[],[42,43,44,45,46,47],{"_key":25},{"_key":27},{"_key":29},{"_key":31},{"_key":33},{"_key":35},"2024-05-21T14:35:49.001Z","2026-05-23T15:19:45.404Z","Analyzed",{"cisa_kev":52,"cisa_ransomware":52,"cisa_vendor":9,"epss_severity":53,"epss_score":54,"severity":55,"severity_score":56,"severity_version":57,"severity_source":58,"severity_vector":59,"severity_status":50},false,"low",0.00026,"high",7.8,"v3.1","nvd","CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",[61,67,71,75,79],{"url":62,"sources":63,"tags":65},"https://git.kernel.org/stable/c/f2ff9d03432fcb160e9f7d4be26174d89de2779a",[64,58],"cve.org",[66],"Patch",{"url":68,"sources":69,"tags":70},"https://git.kernel.org/stable/c/679837dc0abaa2c6e2a7bcd86483e05eee1d5066",[64,58],[66],{"url":72,"sources":73,"tags":74},"https://git.kernel.org/stable/c/8d7c539316d652d217e5e82b89ee204c812a7061",[64,58],[66],{"url":76,"sources":77,"tags":78},"https://git.kernel.org/stable/c/069d44a24c0ff8f85adf49233aae7a8ca16f5c7e",[64,58],[66],{"url":80,"sources":81,"tags":82},"https://git.kernel.org/stable/c/23fa2e46a5556f787ce2ea1a315d3ab93cced204",[64,58],[66],[],{"date":85,"score":54,"percentile":86},"2026-06-03",0.07612,[88,92,95,98,101,104,107,110,113,116,119,122,125,128,131,135,138,141,144,147,150,153,156,159,162,165,168,171,174,177,180,183,186,189,192,195,198,201,204,207,210,213,216,219,222,225,228,231,234,237,240,243,246,249,252,255,257,259,261,264,267,270,273,275,278,281,284,287,290,293,296,299,302,305,307,310,313,316,319,322,325,327,330,332,335,338,341,344,347,350],{"date":89,"score":90,"percentile":91},"2025-11-04",0.0002,0.04039,{"date":93,"score":90,"percentile":94},"2025-11-05",0.04045,{"date":96,"score":90,"percentile":97},"2025-11-06",0.04152,{"date":99,"score":90,"percentile":100},"2025-11-07",0.04155,{"date":102,"score":90,"percentile":103},"2025-11-08",0.04159,{"date":105,"score":90,"percentile":106},"2025-11-09",0.04157,{"date":108,"score":90,"percentile":109},"2025-11-10",0.04143,{"date":111,"score":90,"percentile":112},"2025-11-11",0.04178,{"date":114,"score":90,"percentile":115},"2025-11-12",0.04206,{"date":117,"score":90,"percentile":118},"2025-11-13",0.04239,{"date":120,"score":90,"percentile":121},"2025-11-14",0.04246,{"date":123,"score":90,"percentile":124},"2025-11-15",0.04283,{"date":126,"score":90,"percentile":127},"2025-11-16",0.0429,{"date":129,"score":54,"percentile":130},"2025-11-17",0.05922,{"date":132,"score":133,"percentile":134},"2025-11-18",0.00095,0.22792,{"date":136,"score":133,"percentile":137},"2025-11-19",0.22804,{"date":139,"score":133,"percentile":140},"2025-11-20",0.2281,{"date":142,"score":54,"percentile":143},"2025-11-21",0.06048,{"date":145,"score":54,"percentile":146},"2025-11-22",0.05996,{"date":148,"score":54,"percentile":149},"2025-11-23",0.05979,{"date":151,"score":54,"percentile":152},"2025-11-24",0.05967,{"date":154,"score":54,"percentile":155},"2025-11-25",0.0596,{"date":157,"score":54,"percentile":158},"2025-11-26",0.05982,{"date":160,"score":54,"percentile":161},"2025-11-27",0.0599,{"date":163,"score":54,"percentile":164},"2025-11-28",0.05968,{"date":166,"score":54,"percentile":167},"2025-11-29",0.06012,{"date":169,"score":54,"percentile":170},"2025-11-30",0.06005,{"date":172,"score":54,"percentile":173},"2025-12-01",0.06078,{"date":175,"score":54,"percentile":176},"2025-12-02",0.06092,{"date":178,"score":54,"percentile":179},"2025-12-03",0.06105,{"date":181,"score":54,"percentile":182},"2025-12-04",0.06068,{"date":184,"score":54,"percentile":185},"2025-12-05",0.06117,{"date":187,"score":54,"percentile":188},"2025-12-06",0.06126,{"date":190,"score":54,"percentile":191},"2025-12-07",0.0613,{"date":193,"score":54,"percentile":194},"2025-12-08",0.06136,{"date":196,"score":54,"percentile":197},"2025-12-09",0.06194,{"date":199,"score":54,"percentile":200},"2025-12-10",0.06267,{"date":202,"score":54,"percentile":203},"2025-12-11",0.06264,{"date":205,"score":54,"percentile":206},"2025-12-12",0.06287,{"date":208,"score":54,"percentile":209},"2025-12-13",0.06326,{"date":211,"score":54,"percentile":212},"2025-12-14",0.06293,{"date":214,"score":54,"percentile":215},"2025-12-15",0.06271,{"date":217,"score":54,"percentile":218},"2025-12-16",0.06298,{"date":220,"score":54,"percentile":221},"2025-12-17",0.06385,{"date":223,"score":54,"percentile":224},"2025-12-18",0.0644,{"date":226,"score":54,"percentile":227},"2025-12-19",0.06425,{"date":229,"score":54,"percentile":230},"2025-12-20",0.06419,{"date":232,"score":54,"percentile":233},"2025-12-21",0.06407,{"date":235,"score":54,"percentile":236},"2025-12-22",0.06358,{"date":238,"score":54,"percentile":239},"2025-12-23",0.0637,{"date":241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