{ "dataType": "CVE_RECORD", "cveMetadata": { "cveId": "CVE-2024-35976", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-05-17T13:50:33.143Z", "datePublished": "2024-05-20T09:42:02.415Z", "dateUpdated": "2024-08-02T03:21:49.039Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2024-07-05T07:51:26.676Z" }, "descriptions": [ { "lang": "en", "value": "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 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 \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 \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---" } ], "affected": [ { "product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "net/xdp/xsk.c" ], "versions": [ { "version": "423f38329d26", "lessThan": "beb992668305", "status": "affected", "versionType": "git" }, { "version": "423f38329d26", "lessThan": "0b45c25d60e3", "status": "affected", "versionType": "git" }, { "version": "423f38329d26", "lessThan": "a82984b3c6a7", "status": "affected", "versionType": "git" }, { "version": "423f38329d26", "lessThan": "f0a068de65d5", "status": "affected", "versionType": "git" }, { "version": "423f38329d26", "lessThan": "2a523f14a3f5", "status": "affected", "versionType": "git" }, { "version": "423f38329d26", "lessThan": "b143e19dc28c", "status": "affected", "versionType": "git" }, { "version": "423f38329d26", "lessThan": "2eb979fbb247", "status": "affected", "versionType": "git" }, { "version": "423f38329d26", "lessThan": "237f3cf13b20", "status": "affected", "versionType": "git" } ] }, { "product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "net/xdp/xsk.c" ], "versions": [ { "version": "4.18", "status": "affected" }, { "version": "0", "lessThan": "4.18", "status": "unaffected", "versionType": "custom" }, { "version": "4.19.317", "lessThanOrEqual": "4.19.*", "status": "unaffected", "versionType": "custom" }, { "version": "5.4.278", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "custom" }, { "version": "5.10.216", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "custom" }, { "version": "5.15.156", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "custom" }, { "version": "6.1.87", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "custom" }, { "version": "6.6.28", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "custom" }, { "version": "6.8.7", "lessThanOrEqual": "6.8.*", "status": "unaffected", "versionType": "custom" }, { "version": "6.9", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix" } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/beb99266830520e15fbc6ca8cc5a5240d76851fd" }, { "url": "https://git.kernel.org/stable/c/0b45c25d60e38f5c2cb6823f886773a34323306d" }, { "url": "https://git.kernel.org/stable/c/a82984b3c6a7e8c7937dba6e857ddf829d149417" }, { "url": "https://git.kernel.org/stable/c/f0a068de65d5b7358e9aff792716afa9333f3922" }, { "url": "https://git.kernel.org/stable/c/2a523f14a3f53b46ff0e1fafd215b0bc5f6783aa" }, { "url": "https://git.kernel.org/stable/c/b143e19dc28c3211f050f7848d87d9b0a170e10c" }, { "url": "https://git.kernel.org/stable/c/2eb979fbb2479bcd7e049f2f9978b6590dd8a0e6" }, { "url": "https://git.kernel.org/stable/c/237f3cf13b20db183d3706d997eedc3c49eacd44" } ], "title": "xsk: validate user input for XDP_{UMEM|COMPLETION}_FILL_RING", "x_generator": { "engine": "bippy-7d53e8ef8be4" } }, "adp": [ { "title": "CISA ADP Vulnrichment", "metrics": [ { "cvssV3_1": { "scope": "UNCHANGED", "version": "3.1", "baseScore": 6.7, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH" } }, { "other": { "type": "ssvc", "content": { "id": "CVE-2024-35976", "role": "CISA Coordinator", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "total" } ], "version": "2.0.3", "timestamp": "2024-05-20T14:37:56.972231Z" } } } ], "affected": [ { "cpes": [ "cpe:2.3:o:linux:linux_kernel:4.18:*:*:*:*:*:*:*" ], "vendor": "linux", "product": "linux_kernel", "versions": [ { "status": "affected", "version": "4.18" } ], "defaultStatus": "unknown" } ], "problemTypes": [ { "descriptions": [ { "lang": "en", "type": "CWE", "cweId": "CWE-787", "description": "CWE-787 Out-of-bounds Write" } ] } ], "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-06-04T17:34:07.661Z" } }, { "providerMetadata": { "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T03:21:49.039Z" }, "title": "CVE Program Container", "references": [ { "url": "https://git.kernel.org/stable/c/beb99266830520e15fbc6ca8cc5a5240d76851fd", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/0b45c25d60e38f5c2cb6823f886773a34323306d", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/a82984b3c6a7e8c7937dba6e857ddf829d149417", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/f0a068de65d5b7358e9aff792716afa9333f3922", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/2a523f14a3f53b46ff0e1fafd215b0bc5f6783aa", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/b143e19dc28c3211f050f7848d87d9b0a170e10c", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/2eb979fbb2479bcd7e049f2f9978b6590dd8a0e6", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/237f3cf13b20db183d3706d997eedc3c49eacd44", "tags": [ "x_transferred" ] } ] } ] }, "dataVersion": "5.1" }