[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"repo-stars":3,"vuln-CVE-2022-50432":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":52,"related":53,"reserved_at":9,"published_at":66,"modified_at":67,"state":68,"summary":69,"references_raw":78,"kevs":113,"epss":114,"epss_history":117,"metrics":386,"affected":392},"CVE-2022-50432","In the Linux kernel, the following vulnerability has been resolved:\n\nkernfs: fix use-after-free in __kernfs_remove\n\nSyzkaller managed to trigger concurrent calls to\nkernfs_remove_by_name_ns() for the same file resulting in\na KASAN detected use-after-free. The race occurs when the root\nnode is freed during kernfs_drain().\n\nTo prevent this acquire an additional reference for the root\nof the tree that is removed before calling __kernfs_remove().\n\nFound by syzkaller with the following reproducer (slab_nomerge is\nrequired):\n\nsyz_mount_image$ext4(0x0, &(0x7f0000000100)='./file0\\x00', 0x100000, 0x0, 0x0, 0x0, 0x0)\nr0 = openat(0xffffffffffffff9c, &(0x7f0000000080)='/proc/self/exe\\x00', 0x0, 0x0)\nclose(r0)\npipe2(&(0x7f0000000140)={0xffffffffffffffff, \u003Cr1=>0xffffffffffffffff}, 0x800)\nmount$9p_fd(0x0, &(0x7f0000000040)='./file0\\x00', &(0x7f00000000c0), 0x408, &(0x7f0000000280)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}, 0x2c, {[{@cache_loose}, {@mmap}, {@loose}, {@loose}, {@mmap}], [{@mask={'mask', 0x3d, '^MAY_EXEC'}}, {@fsmagic={'fsmagic', 0x3d, 0x10001}}, {@dont_hash}]}})\n\nSample report:\n\n==================================================================\nBUG: KASAN: use-after-free in kernfs_type include/linux/kernfs.h:335 [inline]\nBUG: KASAN: use-after-free in kernfs_leftmost_descendant fs/kernfs/dir.c:1261 [inline]\nBUG: KASAN: use-after-free in __kernfs_remove.part.0+0x843/0x960 fs/kernfs/dir.c:1369\nRead of size 2 at addr ffff8880088807f0 by task syz-executor.2/857\n\nCPU: 0 PID: 857 Comm: syz-executor.2 Not tainted 6.0.0-rc3-00363-g7726d4c3e60b #5\nHardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014\nCall Trace:\n \u003CTASK>\n __dump_stack lib/dump_stack.c:88 [inline]\n dump_stack_lvl+0x6e/0x91 lib/dump_stack.c:106\n print_address_description mm/kasan/report.c:317 [inline]\n print_report.cold+0x5e/0x5e5 mm/kasan/report.c:433\n kasan_report+0xa3/0x130 mm/kasan/report.c:495\n kernfs_type include/linux/kernfs.h:335 [inline]\n kernfs_leftmost_descendant fs/kernfs/dir.c:1261 [inline]\n __kernfs_remove.part.0+0x843/0x960 fs/kernfs/dir.c:1369\n __kernfs_remove fs/kernfs/dir.c:1356 [inline]\n kernfs_remove_by_name_ns+0x108/0x190 fs/kernfs/dir.c:1589\n sysfs_slab_add+0x133/0x1e0 mm/slub.c:5943\n __kmem_cache_create+0x3e0/0x550 mm/slub.c:4899\n create_cache mm/slab_common.c:229 [inline]\n kmem_cache_create_usercopy+0x167/0x2a0 mm/slab_common.c:335\n p9_client_create+0xd4d/0x1190 net/9p/client.c:993\n v9fs_session_init+0x1e6/0x13c0 fs/9p/v9fs.c:408\n v9fs_mount+0xb9/0xbd0 fs/9p/vfs_super.c:126\n legacy_get_tree+0xf1/0x200 fs/fs_context.c:610\n vfs_get_tree+0x85/0x2e0 fs/super.c:1530\n do_new_mount fs/namespace.c:3040 [inline]\n path_mount+0x675/0x1d00 fs/namespace.c:3370\n do_mount fs/namespace.c:3383 [inline]\n __do_sys_mount fs/namespace.c:3591 [inline]\n __se_sys_mount fs/namespace.c:3568 [inline]\n __x64_sys_mount+0x282/0x300 fs/namespace.c:3568\n do_syscall_x64 arch/x86/entry/common.c:50 [inline]\n do_syscall_64+0x38/0x90 arch/x86/entry/common.c:80\n entry_SYSCALL_64_after_hwframe+0x63/0xcd\nRIP: 0033:0x7f725f983aed\nCode: 02 b8 ff ff ff ff c3 66 0f 1f 44 00 00 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 \u003C48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48\nRSP: 002b:00007f725f0f7028 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5\nRAX: ffffffffffffffda RBX: 00007f725faa3f80 RCX: 00007f725f983aed\nRDX: 00000000200000c0 RSI: 0000000020000040 RDI: 0000000000000000\nRBP: 00007f725f9f419c R08: 0000000020000280 R09: 0000000000000000\nR10: 0000000000000408 R11: 0000000000000246 R12: 0000000000000000\nR13: 0000000000000006 R14: 00007f725faa3f80 R15: 00007f725f0d7000\n \u003C/TASK>\n\nAllocated by task 855:\n kasan_save_stack+0x1e/0x40 mm/kasan/common.c:38\n kasan_set_track mm/kasan/common.c:45 [inline]\n set_alloc_info mm/kasan/common.c:437 [inline]\n __kasan_slab_alloc+0x66/0x80 mm/kasan/common.c:470\n kasan_slab_alloc include/linux/kasan.h:224 [inline]\n slab_post_alloc_hook mm/slab.h:7\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",[],[],[],[],[24,26,28,30,32,34,36,38,40,42,44,46,48,50],{"_key":25},"SUSE-SU-2025:03614-1",{"_key":27},"SUSE-SU-2025:03615-1",{"_key":29},"SUSE-SU-2025:03628-1",{"_key":31},"SUSE-SU-2025:3716-1",{"_key":33},"SUSE-SU-2025:3761-1",{"_key":35},"SUSE-SU-2025:4135-1",{"_key":37},"SUSE-SU-2025:4172-1",{"_key":39},"SUSE-SU-2025:4203-1",{"_key":41},"SUSE-SU-2025:4213-1",{"_key":43},"SUSE-SU-2025:4285-1",{"_key":45},"SUSE-SU-2025:4171-1",{"_key":47},"SUSE-SU-2025:4188-1",{"_key":49},"DEBIAN-CVE-2022-50432",{"_key":51},"UBUNTU-CVE-2022-50432",[],[54,55,56,57,58,59,60,61,62,63,64,65],{"_key":25},{"_key":27},{"_key":29},{"_key":31},{"_key":33},{"_key":35},{"_key":37},{"_key":39},{"_key":41},{"_key":43},{"_key":45},{"_key":47},"2025-10-01T11:42:10.573Z","2026-05-11T19:19:22.953Z","Analyzed",{"cisa_kev":70,"cisa_ransomware":70,"cisa_vendor":9,"epss_severity":71,"epss_score":72,"severity":73,"severity_score":74,"severity_version":75,"severity_source":76,"severity_vector":77,"severity_status":68},false,"low",0.00017,"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",[79,85,89,93,97,101,105,109],{"url":80,"sources":81,"tags":83},"https://git.kernel.org/stable/c/4dfd6a477a1525773469feaf3c514b2c0fef76b5",[82,76],"cve.org",[84],"Patch",{"url":86,"sources":87,"tags":88},"https://git.kernel.org/stable/c/02eb35131050735332658029082f61515b7dfe38",[82,76],[84],{"url":90,"sources":91,"tags":92},"https://git.kernel.org/stable/c/028cf780743eea79abffa7206b9dcfc080ad3546",[82,76],[84],{"url":94,"sources":95,"tags":96},"https://git.kernel.org/stable/c/c78b0dc6fb7fb389d674e491fd376388cdfb1d53",[82,76],[84],{"url":98,"sources":99,"tags":100},"https://git.kernel.org/stable/c/6f72a3977ba9d0e5491a5c01315204272e7f9c44",[82,76],[84],{"url":102,"sources":103,"tags":104},"https://git.kernel.org/stable/c/94d2643df1e70a4c310ebb5e2c493eec33df1a06",[82,76],[84],{"url":106,"sources":107,"tags":108},"https://git.kernel.org/stable/c/af1b57cc39beca203559576b3046094fc9e5eb32",[82,76],[84],{"url":110,"sources":111,"tags":112},"https://git.kernel.org/stable/c/4abc99652812a2ddf932f137515d5c5a04723538",[82,76],[84],[],{"date":115,"score":72,"percentile":116},"2026-06-03",0.04474,[118,122,125,128,131,134,137,140,143,146,149,152,155,158,161,164,167,170,173,176,178,181,184,187,190,193,196,198,201,204,207,210,213,216,219,223,226,229,232,235,238,241,244,247,250,253,256,259,262,265,268,271,274,277,280,283,286,289,291,294,297,300,303,306,309,311,314,316,319,322,325,328,331,333,336,339,342,345,348,352,355,358,361,364,367,370,373,376,379,383],{"date":119,"score":120,"percentile":121},"2025-11-04",0.00035,0.09398,{"date":123,"score":120,"percentile":124},"2025-11-05",0.09417,{"date":126,"score":120,"percentile":127},"2025-11-06",0.09538,{"date":129,"score":120,"percentile":130},"2025-11-07",0.0956,{"date":132,"score":120,"percentile":133},"2025-11-08",0.09573,{"date":135,"score":120,"percentile":136},"2025-11-09",0.09543,{"date":138,"score":120,"percentile":139},"2025-11-10",0.09501,{"date":141,"score":120,"percentile":142},"2025-11-11",0.09518,{"date":144,"score":120,"percentile":145},"2025-11-12",0.09548,{"date":147,"score":120,"percentile":148},"2025-11-13",0.0959,{"date":150,"score":120,"percentile":151},"2025-11-14",0.09613,{"date":153,"score":120,"percentile":154},"2025-11-15",0.09627,{"date":156,"score":120,"percentile":157},"2025-11-16",0.09632,{"date":159,"score":120,"percentile":160},"2025-11-17",0.09624,{"date":162,"score":120,"percentile":163},"2025-11-18",0.05816,{"date":165,"score":120,"percentile":166},"2025-11-19",0.05834,{"date":168,"score":120,"percentile":169},"2025-11-20",0.0587,{"date":171,"score":120,"percentile":172},"2025-11-21",0.0968,{"date":174,"score":120,"percentile":175},"2025-11-22",0.09656,{"date":177,"score":120,"percentile":154},"2025-11-23",{"date":179,"score":120,"percentile":180},"2025-11-24",0.09606,{"date":182,"score":120,"percentile":183},"2025-11-25",0.09595,{"date":185,"score":120,"percentile":186},"2025-11-26",0.09597,{"date":188,"score":120,"percentile":189},"2025-11-27",0.09608,{"date":191,"score":120,"percentile":192},"2025-11-28",0.09592,{"date":194,"score":120,"percentile":195},"2025-11-29",0.0962,{"date":197,"score":120,"percentile":157},"2025-11-30",{"date":199,"score":120,"percentile":200},"2025-12-01",0.09678,{"date":202,"score":120,"percentile":203},"2025-12-02",0.09689,{"date":205,"score":120,"percentile":206},"2025-12-03",0.0971,{"date":208,"score":120,"percentile":209},"2025-12-04",0.097,{"date":211,"score":120,"percentile":212},"2025-12-05",0.09753,{"date":214,"score":120,"percentile":215},"2025-12-06",0.09765,{"date":217,"score":120,"percentile":218},"2025-12-07",0.0977,{"date":220,"score":221,"percentile":222},"2025-12-08",0.00036,0.10383,{"date":224,"score":221,"percentile":225},"2025-12-09",0.10432,{"date":227,"score":221,"percentile":228},"2025-12-10",0.10503,{"date":230,"score":221,"percentile":231},"2025-12-11",0.10533,{"date":233,"score":2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