{"id":"CVE-2024-35976","title":"In the Linux kernel, the following vulnerability has been resolved:\n\nxsk: validate user input for XDP_{UMEM|COMPLETION}_FILL_RING\n\nsyzbot reported an illegal copy in xsk_setsockopt() [1]\n\nMake sure to validate setsockopt() @optlen parame…","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nxsk: validate user input for XDP_{UMEM|COMPLETION}_FILL_RING\n\nsyzbot reported an illegal copy in xsk_setsockopt() [1]\n\nMake sure to validate setsockopt() @optlen parame…","severity":"high","cvss":7.1,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H","cwe":["CWE-787"],"vendor":"linux","product":"linux_kernel","affected":["linux_kernel >= 4.18, < 4.19.317","linux_kernel >= 4.20, < 5.4.278","linux_kernel >= 5.5, < 5.10.216","linux_kernel >= 5.11, < 5.15.156","linux_kernel >= 5.16, < 6.1.87","linux_kernel >= 6.2, < 6.6.28","linux_kernel >= 6.7, < 6.8.7","linux_kernel = 6.9"],"patched":["linux_kernel 6.8.7"],"published":"2024-05-20","updated":"2026-10-15","sourceUpdated":"2026-10-15T01:18:15.357","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2024-35976","references":[{"url":"https://git.kernel.org/stable/c/0b45c25d60e38f5c2cb6823f886773a34323306d","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/237f3cf13b20db183d3706d997eedc3c49eacd44","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/2a523f14a3f53b46ff0e1fafd215b0bc5f6783aa","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/2eb979fbb2479bcd7e049f2f9978b6590dd8a0e6","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/a82984b3c6a7e8c7937dba6e857ddf829d149417","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/b143e19dc28c3211f050f7848d87d9b0a170e10c","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/beb99266830520e15fbc6ca8cc5a5240d76851fd","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/f0a068de65d5b7358e9aff792716afa9333f3922","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/0b45c25d60e38f5c2cb6823f886773a34323306d","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://git.kernel.org/stable/c/237f3cf13b20db183d3706d997eedc3c49eacd44","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://git.kernel.org/stable/c/2a523f14a3f53b46ff0e1fafd215b0bc5f6783aa","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://git.kernel.org/stable/c/2eb979fbb2479bcd7e049f2f9978b6590dd8a0e6","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://git.kernel.org/stable/c/a82984b3c6a7e8c7937dba6e857ddf829d149417","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://git.kernel.org/stable/c/b143e19dc28c3211f050f7848d87d9b0a170e10c","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://git.kernel.org/stable/c/beb99266830520e15fbc6ca8cc5a5240d76851fd","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://git.kernel.org/stable/c/f0a068de65d5b7358e9aff792716afa9333f3922","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-265688.html","label":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-613116.html","label":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"}],"tags":["nvd","cve.org"],"epss":0.00259,"epssPercentile":0.17529,"ingestedAt":"2026-10-15T03:30:12.694Z","ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2024-05-20T14:37:56.972231Z"},"slug":"CVE-2024-35976","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nxsk: validate user input for XDP_{UMEM|COMPLETION}_FILL_RING\n\nsyzbot reported an illegal copy in xsk_setsockopt() [1]\n\nMake sure to validate setsockopt() @optlen parameter.\n\n[1]\n\n BUG: KASAN: slab-out-of-bounds in copy_from_sockptr_offset include/linux/sockptr.h:49 [inline]\n BUG: KASAN: slab-out-of-bounds in copy_from_sockptr include/linux/sockptr.h:55 [inline]\n BUG: KASAN: slab-out-of-bounds in xsk_setsockopt+0x909/0xa40 net/xdp/xsk.c:1420\nRead of size 4 at addr ffff888028c6cde3 by task syz-executor.0/7549\n\nCPU: 0 PID: 7549 Comm: syz-executor.0 Not tainted 6.8.0-syzkaller-08951-gfe46a7dd189e #0\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024\nCall Trace:\n <TASK>\n  __dump_stack lib/dump_stack.c:88 [inline]\n  dump_stack_lvl+0x241/0x360 lib/dump_stack.c:114\n  print_address_description mm/kasan/report.c:377 [inline]\n  print_report+0x169/0x550 mm/kasan/report.c:488\n  kasan_report+0x143/0x180 mm/kasan/report.c:601\n  copy_from_sockptr_offset include/linux/sockptr.h:49 [inline]\n  copy_from_sockptr include/linux/sockptr.h:55 [inline]\n  xsk_setsockopt+0x909/0xa40 net/xdp/xsk.c:1420\n  do_sock_setsockopt+0x3af/0x720 net/socket.c:2311\n  __sys_setsockopt+0x1ae/0x250 net/socket.c:2334\n  __do_sys_setsockopt net/socket.c:2343 [inline]\n  __se_sys_setsockopt net/socket.c:2340 [inline]\n  __x64_sys_setsockopt+0xb5/0xd0 net/socket.c:2340\n do_syscall_64+0xfb/0x240\n entry_SYSCALL_64_after_hwframe+0x6d/0x75\nRIP: 0033:0x7fb40587de69\nCode: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48\nRSP: 002b:00007fb40665a0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036\nRAX: ffffffffffffffda RBX: 00007fb4059abf80 RCX: 00007fb40587de69\nRDX: 0000000000000005 RSI: 000000000000011b RDI: 0000000000000006\nRBP: 00007fb4058ca47a R08: 0000000000000002 R09: 0000000000000000\nR10: 0000000020001980 R11: 0000000000000246 R12: 0000000000000000\nR13: 000000000000000b R14: 00007fb4059abf80 R15: 00007fff57ee4d08\n </TASK>\n\nAllocated by task 7549:\n  kasan_save_stack mm/kasan/common.c:47 [inline]\n  kasan_save_track+0x3f/0x80 mm/kasan/common.c:68\n  poison_kmalloc_redzone mm/kasan/common.c:370 [inline]\n  __kasan_kmalloc+0x98/0xb0 mm/kasan/common.c:387\n  kasan_kmalloc include/linux/kasan.h:211 [inline]\n  __do_kmalloc_node mm/slub.c:3966 [inline]\n  __kmalloc+0x233/0x4a0 mm/slub.c:3979\n  kmalloc include/linux/slab.h:632 [inline]\n  __cgroup_bpf_run_filter_setsockopt+0xd2f/0x1040 kernel/bpf/cgroup.c:1869\n  do_sock_setsockopt+0x6b4/0x720 net/socket.c:2293\n  __sys_setsockopt+0x1ae/0x250 net/socket.c:2334\n  __do_sys_setsockopt net/socket.c:2343 [inline]\n  __se_sys_setsockopt net/socket.c:2340 [inline]\n  __x64_sys_setsockopt+0xb5/0xd0 net/socket.c:2340\n do_syscall_64+0xfb/0x240\n entry_SYSCALL_64_after_hwframe+0x6d/0x75\n\nThe buggy address belongs to the object at ffff888028c6cde0\n which belongs to the cache kmalloc-8 of size 8\nThe buggy address is located 1 bytes to the right of\n allocated 2-byte region [ffff888028c6cde0, ffff888028c6cde2)\n\nThe buggy address belongs to the physical page:\npage:ffffea0000a31b00 refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff888028c6c9c0 pfn:0x28c6c\nanon flags: 0xfff00000000800(slab|node=0|zone=1|lastcpupid=0x7ff)\npage_type: 0xffffffff()\nraw: 00fff00000000800 ffff888014c41280 0000000000000000 dead000000000001\nraw: ffff888028c6c9c0 0000000080800057 00000001ffffffff 0000000000000000\npage dumped because: kasan: bad access detected\npage_owner tracks the page as allocated\npage last allocated via order 0, migratetype Unmovable, gfp_mask 0x112cc0(GFP_USER|__GFP_NOWARN|__GFP_NORETRY), pid 6648, tgid 6644 (syz-executor.0), ts 133906047828, free_ts 133859922223\n  set_page_owner include/linux/page_owner.h:31 [inline]\n  post_alloc_hook+0x1ea/0x210 mm/page_alloc.c:1533\n  prep_new_page mm/page_alloc.c:\n---truncated---\n\n## Affected\n\n- `linux_kernel >= 4.18, < 4.19.317`\n- `linux_kernel >= 4.20, < 5.4.278`\n- `linux_kernel >= 5.5, < 5.10.216`\n- `linux_kernel >= 5.11, < 5.15.156`\n- `linux_kernel >= 5.16, < 6.1.87`\n- `linux_kernel >= 6.2, < 6.6.28`\n- `linux_kernel >= 6.7, < 6.8.7`\n- `linux_kernel = 6.9`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `linux_kernel 6.8.7`","depth":"twilight","depthScore":39,"depthScoreParts":{"impact":39.1,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}