{"id":"CVE-2024-27062","summary":"nouveau: lock the client object tree.","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nnouveau: lock the client object tree.\n\nIt appears the client object tree has no locking unless I've missed\nsomething else. Fix races around adding/removing client objects,\nmostly vram bar mappings.\n\n 4562.099306] general protection fault, probably for non-canonical address 0x6677ed422bceb80c: 0000 [#1] PREEMPT SMP PTI\n[ 4562.099314] CPU: 2 PID: 23171 Comm: deqp-vk Not tainted 6.8.0-rc6+ #27\n[ 4562.099324] Hardware name: Gigabyte Technology Co., Ltd. Z390 I AORUS PRO WIFI/Z390 I AORUS PRO WIFI-CF, BIOS F8 11/05/2021\n[ 4562.099330] RIP: 0010:nvkm_object_search+0x1d/0x70 [nouveau]\n[ 4562.099503] Code: 90 90 90 90 90 90 90 90 90 90 90 90 90 66 0f 1f 00 0f 1f 44 00 00 48 89 f8 48 85 f6 74 39 48 8b 87 a0 00 00 00 48 85 c0 74 12 \u003c48\u003e 8b 48 f8 48 39 ce 73 15 48 8b 40 10 48 85 c0 75 ee 48 c7 c0 fe\n[ 4562.099506] RSP: 0000:ffffa94cc420bbf8 EFLAGS: 00010206\n[ 4562.099512] RAX: 6677ed422bceb814 RBX: ffff98108791f400 RCX: ffff9810f26b8f58\n[ 4562.099517] RDX: 0000000000000000 RSI: ffff9810f26b9158 RDI: ffff98108791f400\n[ 4562.099519] RBP: ffff9810f26b9158 R08: 0000000000000000 R09: 0000000000000000\n[ 4562.099521] R10: ffffa94cc420bc48 R11: 0000000000000001 R12: ffff9810f02a7cc0\n[ 4562.099526] R13: 0000000000000000 R14: 00000000000000ff R15: 0000000000000007\n[ 4562.099528] FS:  00007f629c5017c0(0000) GS:ffff98142c700000(0000) knlGS:0000000000000000\n[ 4562.099534] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n[ 4562.099536] CR2: 00007f629a882000 CR3: 000000017019e004 CR4: 00000000003706f0\n[ 4562.099541] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\n[ 4562.099542] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400\n[ 4562.099544] Call Trace:\n[ 4562.099555]  \u003cTASK\u003e\n[ 4562.099573]  ? die_addr+0x36/0x90\n[ 4562.099583]  ? exc_general_protection+0x246/0x4a0\n[ 4562.099593]  ? asm_exc_general_protection+0x26/0x30\n[ 4562.099600]  ? nvkm_object_search+0x1d/0x70 [nouveau]\n[ 4562.099730]  nvkm_ioctl+0xa1/0x250 [nouveau]\n[ 4562.099861]  nvif_object_map_handle+0xc8/0x180 [nouveau]\n[ 4562.099986]  nouveau_ttm_io_mem_reserve+0x122/0x270 [nouveau]\n[ 4562.100156]  ? dma_resv_test_signaled+0x26/0xb0\n[ 4562.100163]  ttm_bo_vm_fault_reserved+0x97/0x3c0 [ttm]\n[ 4562.100182]  ? __mutex_unlock_slowpath+0x2a/0x270\n[ 4562.100189]  nouveau_ttm_fault+0x69/0xb0 [nouveau]\n[ 4562.100356]  __do_fault+0x32/0x150\n[ 4562.100362]  do_fault+0x7c/0x560\n[ 4562.100369]  __handle_mm_fault+0x800/0xc10\n[ 4562.100382]  handle_mm_fault+0x17c/0x3e0\n[ 4562.100388]  do_user_addr_fault+0x208/0x860\n[ 4562.100395]  exc_page_fault+0x7f/0x200\n[ 4562.100402]  asm_exc_page_fault+0x26/0x30\n[ 4562.100412] RIP: 0033:0x9b9870\n[ 4562.100419] Code: 85 a8 f7 ff ff 8b 8d 80 f7 ff ff 89 08 e9 18 f2 ff ff 0f 1f 84 00 00 00 00 00 44 89 32 e9 90 fa ff ff 0f 1f 84 00 00 00 00 00 \u003c44\u003e 89 32 e9 f8 f1 ff ff 0f 1f 84 00 00 00 00 00 66 44 89 32 e9 e7\n[ 4562.100422] RSP: 002b:00007fff9ba2dc70 EFLAGS: 00010246\n[ 4562.100426] RAX: 0000000000000004 RBX: 000000000dd65e10 RCX: 000000fff0000000\n[ 4562.100428] RDX: 00007f629a882000 RSI: 00007f629a882000 RDI: 0000000000000066\n[ 4562.100432] RBP: 00007fff9ba2e570 R08: 0000000000000000 R09: 0000000123ddf000\n[ 4562.100434] R10: 0000000000000001 R11: 0000000000000246 R12: 000000007fffffff\n[ 4562.100436] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000\n[ 4562.100446]  \u003c/TASK\u003e\n[ 4562.100448] Modules linked in: nf_conntrack_netbios_ns nf_conntrack_broadcast nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip_set nf_tables libcrc32c nfnetlink cmac bnep sunrpc iwlmvm intel_rapl_msr intel_rapl_common snd_sof_pci_intel_cnl x86_pkg_temp_thermal intel_powerclamp snd_sof_intel_hda_common mac80211 coretemp snd_soc_acpi_intel_match kvm_intel snd_soc_acpi snd_soc_hdac_hda snd_sof_pci snd_sof_xtensa_dsp snd_sof_intel_hda_mlink \n---truncated---","modified":"2026-04-02T10:07:03.504945Z","published":"2024-05-01T13:00:21.052Z","related":["ALSA-2024:8856","ALSA-2024:8870","SUSE-SU-2024:1644-1","SUSE-SU-2024:1659-1","SUSE-SU-2024:1663-1","SUSE-SU-2024:1979-1","SUSE-SU-2024:1983-1","SUSE-SU-2024:2135-1","SUSE-SU-2024:2184-1","SUSE-SU-2024:2203-1","SUSE-SU-2024:2973-1","SUSE-SU-2025:20008-1","SUSE-SU-2025:20028-1","SUSE-SU-2025:20166-1","SUSE-SU-2025:20249-1"],"database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/27xxx/CVE-2024-27062.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/6887314f5356389fc219b8152e951ac084a10ef7"},{"type":"WEB","url":"https://git.kernel.org/stable/c/96c8751844171af4b3898fee3857ee180586f589"},{"type":"WEB","url":"https://git.kernel.org/stable/c/b7cc4ff787a572edf2c55caeffaa88cd801eb135"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/27xxx/CVE-2024-27062.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2024-27062"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"bf81df9be28657eea4aca8c6ab4ed3e69f8a051c"},{"fixed":"6887314f5356389fc219b8152e951ac084a10ef7"},{"fixed":"96c8751844171af4b3898fee3857ee180586f589"},{"fixed":"b7cc4ff787a572edf2c55caeffaa88cd801eb135"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-27062.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}]}