{ "data_version": "4.0", "data_type": "CVE", "data_format": "MITRE", "CVE_data_meta": { "ID": "CVE-2024-36008", "ASSIGNER": "cve@kernel.org", "STATE": "PUBLIC" }, "description": { "description_data": [ { "lang": "eng", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nipv4: check for NULL idev in ip_route_use_hint()\n\nsyzbot was able to trigger a NULL deref in fib_validate_source()\nin an old tree [1].\n\nIt appears the bug exists in latest trees.\n\nAll calls to __in_dev_get_rcu() must be checked for a NULL result.\n\n[1]\ngeneral protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] SMP KASAN\nKASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]\nCPU: 2 PID: 3257 Comm: syz-executor.3 Not tainted 5.10.0-syzkaller #0\nHardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014\n RIP: 0010:fib_validate_source+0xbf/0x15a0 net/ipv4/fib_frontend.c:425\nCode: 18 f2 f2 f2 f2 42 c7 44 20 23 f3 f3 f3 f3 48 89 44 24 78 42 c6 44 20 27 f3 e8 5d 88 48 fc 4c 89 e8 48 c1 e8 03 48 89 44 24 18 <42> 80 3c 20 00 74 08 4c 89 ef e8 d2 15 98 fc 48 89 5c 24 10 41 bf\nRSP: 0018:ffffc900015fee40 EFLAGS: 00010246\nRAX: 0000000000000000 RBX: ffff88800f7a4000 RCX: ffff88800f4f90c0\nRDX: 0000000000000000 RSI: 0000000004001eac RDI: ffff8880160c64c0\nRBP: ffffc900015ff060 R08: 0000000000000000 R09: ffff88800f7a4000\nR10: 0000000000000002 R11: ffff88800f4f90c0 R12: dffffc0000000000\nR13: 0000000000000000 R14: 0000000000000000 R15: ffff88800f7a4000\nFS: 00007f938acfe6c0(0000) GS:ffff888058c00000(0000) knlGS:0000000000000000\nCS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: 00007f938acddd58 CR3: 000000001248e000 CR4: 0000000000352ef0\nDR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\nDR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400\nCall Trace:\n ip_route_use_hint+0x410/0x9b0 net/ipv4/route.c:2231\n ip_rcv_finish_core+0x2c4/0x1a30 net/ipv4/ip_input.c:327\n ip_list_rcv_finish net/ipv4/ip_input.c:612 [inline]\n ip_sublist_rcv+0x3ed/0xe50 net/ipv4/ip_input.c:638\n ip_list_rcv+0x422/0x470 net/ipv4/ip_input.c:673\n __netif_receive_skb_list_ptype net/core/dev.c:5572 [inline]\n __netif_receive_skb_list_core+0x6b1/0x890 net/core/dev.c:5620\n __netif_receive_skb_list net/core/dev.c:5672 [inline]\n netif_receive_skb_list_internal+0x9f9/0xdc0 net/core/dev.c:5764\n netif_receive_skb_list+0x55/0x3e0 net/core/dev.c:5816\n xdp_recv_frames net/bpf/test_run.c:257 [inline]\n xdp_test_run_batch net/bpf/test_run.c:335 [inline]\n bpf_test_run_xdp_live+0x1818/0x1d00 net/bpf/test_run.c:363\n bpf_prog_test_run_xdp+0x81f/0x1170 net/bpf/test_run.c:1376\n bpf_prog_test_run+0x349/0x3c0 kernel/bpf/syscall.c:3736\n __sys_bpf+0x45c/0x710 kernel/bpf/syscall.c:5115\n __do_sys_bpf kernel/bpf/syscall.c:5201 [inline]\n __se_sys_bpf kernel/bpf/syscall.c:5199 [inline]\n __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5199" } ] }, "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": "02b24941619f", "version_value": "7da0f91681c4" }, { "version_value": "not down converted", "x_cve_json_5_version_data": { "versions": [ { "version": "5.5", "status": "affected" }, { "version": "0", "lessThan": "5.5", "status": "unaffected", "versionType": "semver" }, { "version": "5.10.216", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.15.158", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.1.90", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.6.30", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.8.9", "lessThanOrEqual": "6.8.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.9", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix" } ], "defaultStatus": "affected" } } ] } } ] } } ] } }, "references": { "reference_data": [ { "url": "https://git.kernel.org/stable/c/7da0f91681c4902bc5c210356fdd963b04d5d1d4", "refsource": "MISC", "name": "https://git.kernel.org/stable/c/7da0f91681c4902bc5c210356fdd963b04d5d1d4" }, { "url": "https://git.kernel.org/stable/c/03b5a9b2b526862b21bcc31976e393a6e63785d1", "refsource": "MISC", "name": "https://git.kernel.org/stable/c/03b5a9b2b526862b21bcc31976e393a6e63785d1" }, { "url": "https://git.kernel.org/stable/c/7a25bfd12733a8f38f8ca47c581f876c3d481ac0", "refsource": "MISC", "name": "https://git.kernel.org/stable/c/7a25bfd12733a8f38f8ca47c581f876c3d481ac0" }, { "url": "https://git.kernel.org/stable/c/8240c7308c941db4d9a0a91b54eca843c616a655", "refsource": "MISC", "name": "https://git.kernel.org/stable/c/8240c7308c941db4d9a0a91b54eca843c616a655" }, { "url": "https://git.kernel.org/stable/c/c71ea3534ec0936fc57e6fb271c7cc6a2f68c295", "refsource": "MISC", "name": "https://git.kernel.org/stable/c/c71ea3534ec0936fc57e6fb271c7cc6a2f68c295" }, { "url": "https://git.kernel.org/stable/c/58a4c9b1e5a3e53c9148e80b90e1e43897ce77d1", "refsource": "MISC", "name": "https://git.kernel.org/stable/c/58a4c9b1e5a3e53c9148e80b90e1e43897ce77d1" } ] }, "generator": { "engine": "bippy-9e1c9544281a" } }