{ "data_version": "4.0", "data_type": "CVE", "data_format": "MITRE", "CVE_data_meta": { "ID": "CVE-2022-48937", "ASSIGNER": "cve@kernel.org", "STATE": "PUBLIC" }, "description": { "description_data": [ { "lang": "eng", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nio_uring: add a schedule point in io_add_buffers()\n\nLooping ~65535 times doing kmalloc() calls can trigger soft lockups,\nespecially with DEBUG features (like KASAN).\n\n[ 253.536212] watchdog: BUG: soft lockup - CPU#64 stuck for 26s! [b219417889:12575]\n[ 253.544433] Modules linked in: vfat fat i2c_mux_pca954x i2c_mux spidev cdc_acm xhci_pci xhci_hcd sha3_generic gq(O)\n[ 253.544451] CPU: 64 PID: 12575 Comm: b219417889 Tainted: G S O 5.17.0-smp-DEV #801\n[ 253.544457] RIP: 0010:kernel_text_address (./include/asm-generic/sections.h:192 ./include/linux/kallsyms.h:29 kernel/extable.c:67 kernel/extable.c:98)\n[ 253.544464] Code: 0f 93 c0 48 c7 c1 e0 63 d7 a4 48 39 cb 0f 92 c1 20 c1 0f b6 c1 5b 5d c3 90 0f 1f 44 00 00 55 48 89 e5 41 57 41 56 53 48 89 fb <48> c7 c0 00 00 80 a0 41 be 01 00 00 00 48 39 c7 72 0c 48 c7 c0 40\n[ 253.544468] RSP: 0018:ffff8882d8baf4c0 EFLAGS: 00000246\n[ 253.544471] RAX: 1ffff1105b175e00 RBX: ffffffffa13ef09a RCX: 00000000a13ef001\n[ 253.544474] RDX: ffffffffa13ef09a RSI: ffff8882d8baf558 RDI: ffffffffa13ef09a\n[ 253.544476] RBP: ffff8882d8baf4d8 R08: ffff8882d8baf5e0 R09: 0000000000000004\n[ 253.544479] R10: ffff8882d8baf5e8 R11: ffffffffa0d59a50 R12: ffff8882eab20380\n[ 253.544481] R13: ffffffffa0d59a50 R14: dffffc0000000000 R15: 1ffff1105b175eb0\n[ 253.544483] FS: 00000000016d3380(0000) GS:ffff88af48c00000(0000) knlGS:0000000000000000\n[ 253.544486] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n[ 253.544488] CR2: 00000000004af0f0 CR3: 00000002eabfa004 CR4: 00000000003706e0\n[ 253.544491] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\n[ 253.544492] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400\n[ 253.544494] Call Trace:\n[ 253.544496] \n[ 253.544498] ? io_queue_sqe (fs/io_uring.c:7143)\n[ 253.544505] __kernel_text_address (kernel/extable.c:78)\n[ 253.544508] unwind_get_return_address (arch/x86/kernel/unwind_frame.c:19)\n[ 253.544514] arch_stack_walk (arch/x86/kernel/stacktrace.c:27)\n[ 253.544517] ? io_queue_sqe (fs/io_uring.c:7143)\n[ 253.544521] stack_trace_save (kernel/stacktrace.c:123)\n[ 253.544527] ____kasan_kmalloc (mm/kasan/common.c:39 mm/kasan/common.c:45 mm/kasan/common.c:436 mm/kasan/common.c:515)\n[ 253.544531] ? ____kasan_kmalloc (mm/kasan/common.c:39 mm/kasan/common.c:45 mm/kasan/common.c:436 mm/kasan/common.c:515)\n[ 253.544533] ? __kasan_kmalloc (mm/kasan/common.c:524)\n[ 253.544535] ? kmem_cache_alloc_trace (./include/linux/kasan.h:270 mm/slab.c:3567)\n[ 253.544541] ? io_issue_sqe (fs/io_uring.c:4556 fs/io_uring.c:4589 fs/io_uring.c:6828)\n[ 253.544544] ? __io_queue_sqe (fs/io_uring.c:?)\n[ 253.544551] __kasan_kmalloc (mm/kasan/common.c:524)\n[ 253.544553] kmem_cache_alloc_trace (./include/linux/kasan.h:270 mm/slab.c:3567)\n[ 253.544556] ? io_issue_sqe (fs/io_uring.c:4556 fs/io_uring.c:4589 fs/io_uring.c:6828)\n[ 253.544560] io_issue_sqe (fs/io_uring.c:4556 fs/io_uring.c:4589 fs/io_uring.c:6828)\n[ 253.544564] ? __kasan_slab_alloc (mm/kasan/common.c:45 mm/kasan/common.c:436 mm/kasan/common.c:469)\n[ 253.544567] ? __kasan_slab_alloc (mm/kasan/common.c:39 mm/kasan/common.c:45 mm/kasan/common.c:436 mm/kasan/common.c:469)\n[ 253.544569] ? kmem_cache_alloc_bulk (mm/slab.h:732 mm/slab.c:3546)\n[ 253.544573] ? __io_alloc_req_refill (fs/io_uring.c:2078)\n[ 253.544578] ? io_submit_sqes (fs/io_uring.c:7441)\n[ 253.544581] ? __se_sys_io_uring_enter (fs/io_uring.c:10154 fs/io_uring.c:10096)\n[ 253.544584] ? __x64_sys_io_uring_enter (fs/io_uring.c:10096)\n[ 253.544587] ? do_syscall_64 (arch/x86/entry/common.c:50 arch/x86/entry/common.c:80)\n[ 253.544590] ? entry_SYSCALL_64_after_hwframe (??:?)\n[ 253.544596] __io_queue_sqe (fs/io_uring.c:?)\n[ 253.544600] io_queue_sqe (fs/io_uring.c:7143)\n[ 253.544603] io_submit_sqe (fs/io_uring.c:?)\n[ 253.544608] io_submit_sqes (fs/io_uring.c:?)\n[ 253.544612] __se_sys_io_uring_enter (fs/io_uring.c:10154 fs/io_uri\n---truncated---" } ] }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "n/a" } ] } ] }, "affects": { "vendor": { "vendor_data": [ { "vendor_name": "Linux", "product": { "product_data": [ { "product_name": "Linux", "version": { "version_data": [ { "version_affected": "<", "version_name": "ddf0322db79c", "version_value": "4a93c6594613" }, { "version_value": "not down converted", "x_cve_json_5_version_data": { "versions": [ { "version": "5.7", "status": "affected" }, { "version": "0", "lessThan": "5.7", "status": "unaffected", "versionType": "custom" }, { "version": "5.10.103", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "custom" }, { "version": "5.15.26", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "custom" }, { "version": "5.16.12", "lessThanOrEqual": "5.16.*", "status": "unaffected", "versionType": "custom" }, { "version": "5.17", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix" } ], "defaultStatus": "affected" } } ] } } ] } } ] } }, "references": { "reference_data": [ { "url": "https://git.kernel.org/stable/c/4a93c6594613c3429b6f30136fff115c7f803af4", "refsource": "MISC", "name": "https://git.kernel.org/stable/c/4a93c6594613c3429b6f30136fff115c7f803af4" }, { "url": "https://git.kernel.org/stable/c/c718ea4e7382e18957ed0e88a5f855e2122d9c00", "refsource": "MISC", "name": "https://git.kernel.org/stable/c/c718ea4e7382e18957ed0e88a5f855e2122d9c00" }, { "url": "https://git.kernel.org/stable/c/8f3cc3c5bc43d03b5748ac4fb8d180084952c36a", "refsource": "MISC", "name": "https://git.kernel.org/stable/c/8f3cc3c5bc43d03b5748ac4fb8d180084952c36a" }, { "url": "https://git.kernel.org/stable/c/f240762f88b4b1b58561939ffd44837759756477", "refsource": "MISC", "name": "https://git.kernel.org/stable/c/f240762f88b4b1b58561939ffd44837759756477" } ] }, "generator": { "engine": "bippy-c9c4e1df01b2" } }