CVE-2024-27062

nouveau: lock the client object tree.

Severity Score

5.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

Track

*SSVC

Descriptions

In the Linux kernel, the following vulnerability has been resolved: nouveau: lock the client object tree. It appears the client object tree has no locking unless I've missed
something else. Fix races around adding/removing client objects,
mostly vram bar mappings. 4562.099306] general protection fault, probably for non-canonical address 0x6677ed422bceb80c: 0000 [#1] PREEMPT SMP PTI
[ 4562.099314] CPU: 2 PID: 23171 Comm: deqp-vk Not tainted 6.8.0-rc6+ #27
[ 4562.099324] Hardware name: Gigabyte Technology Co., Ltd. Z390 I AORUS PRO WIFI/Z390 I AORUS PRO WIFI-CF, BIOS F8 11/05/2021
[ 4562.099330] RIP: 0010:nvkm_object_search+0x1d/0x70 [nouveau]
[ 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 <48> 8b 48 f8 48 39 ce 73 15 48 8b 40 10 48 85 c0 75 ee 48 c7 c0 fe
[ 4562.099506] RSP: 0000:ffffa94cc420bbf8 EFLAGS: 00010206
[ 4562.099512] RAX: 6677ed422bceb814 RBX: ffff98108791f400 RCX: ffff9810f26b8f58
[ 4562.099517] RDX: 0000000000000000 RSI: ffff9810f26b9158 RDI: ffff98108791f400
[ 4562.099519] RBP: ffff9810f26b9158 R08: 0000000000000000 R09: 0000000000000000
[ 4562.099521] R10: ffffa94cc420bc48 R11: 0000000000000001 R12: ffff9810f02a7cc0
[ 4562.099526] R13: 0000000000000000 R14: 00000000000000ff R15: 0000000000000007
[ 4562.099528] FS: 00007f629c5017c0(0000) GS:ffff98142c700000(0000) knlGS:0000000000000000
[ 4562.099534] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 4562.099536] CR2: 00007f629a882000 CR3: 000000017019e004 CR4: 00000000003706f0
[ 4562.099541] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 4562.099542] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 4562.099544] Call Trace:
[ 4562.099555] <TASK>
[ 4562.099573] ? die_addr+0x36/0x90
[ 4562.099583] ? exc_general_protection+0x246/0x4a0
[ 4562.099593] ? asm_exc_general_protection+0x26/0x30
[ 4562.099600] ? nvkm_object_search+0x1d/0x70 [nouveau]
[ 4562.099730] nvkm_ioctl+0xa1/0x250 [nouveau]
[ 4562.099861] nvif_object_map_handle+0xc8/0x180 [nouveau]
[ 4562.099986] nouveau_ttm_io_mem_reserve+0x122/0x270 [nouveau]
[ 4562.100156] ? dma_resv_test_signaled+0x26/0xb0
[ 4562.100163] ttm_bo_vm_fault_reserved+0x97/0x3c0 [ttm]
[ 4562.100182] ? __mutex_unlock_slowpath+0x2a/0x270
[ 4562.100189] nouveau_ttm_fault+0x69/0xb0 [nouveau]
[ 4562.100356] __do_fault+0x32/0x150
[ 4562.100362] do_fault+0x7c/0x560
[ 4562.100369] __handle_mm_fault+0x800/0xc10
[ 4562.100382] handle_mm_fault+0x17c/0x3e0
[ 4562.100388] do_user_addr_fault+0x208/0x860
[ 4562.100395] exc_page_fault+0x7f/0x200
[ 4562.100402] asm_exc_page_fault+0x26/0x30
[ 4562.100412] RIP: 0033:0x9b9870
[ 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 <44> 89 32 e9 f8 f1 ff ff 0f 1f 84 00 00 00 00 00 66 44 89 32 e9 e7
[ 4562.100422] RSP: 002b:00007fff9ba2dc70 EFLAGS: 00010246
[ 4562.100426] RAX: 0000000000000004 RBX: 000000000dd65e10 RCX: 000000fff0000000
[ 4562.100428] RDX: 00007f629a882000 RSI: 00007f629a882000 RDI: 0000000000000066
[ 4562.100432] RBP: 00007fff9ba2e570 R08: 0000000000000000 R09: 0000000123ddf000
[ 4562.100434] R10: 0000000000000001 R11: 0000000000000246 R12: 000000007fffffff
[ 4562.100436] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 4562.100446] </TASK>
[ 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 ---truncated---

En el kernel de Linux se ha resuelto la siguiente vulnerabilidad: nouveau: bloquea el árbol de objetos del cliente. Parece que el árbol de objetos del cliente no tiene bloqueo a menos que me haya perdido algo más. Se corrigieron ejecucións para agregar o eliminar objetos de cliente, principalmente asignaciones de barras de vram. 4562.099306] falla de protección general, probablemente para dirección no canónica 0x6677ed422bceb80c: 0000 [#1] PREEMPT SMP PTI [ 4562.099314] CPU: 2 PID: 23171 Comm: deqp-vk Not tainted 6.8.0-rc6+ #27 [ 4562.09932 4]Nombre del hardware : Gigabyte Technology Co., Ltd. Z390 I AORUS PRO WIFI/Z390 I AORUS PRO WIFI-CF, BIOS F8 05/11/2021 [4562.099330] RIP: 0010:nvkm_object_search+0x1d/0x70 [nuevo] [4562.099503] Código: 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 <48> 8b 48 f8 48 39 ce 73 15 48 8b 40 10 48 85 c0 75 ee 48 c7 c0 fe [ 4562.099506] RSP: 0000:ffffa94cc420bbf8 EFLAGS: 00010206 [ 4562.099512] RAX: 6677ed422bceb814 ffff98108791f400 RCX: ffff9810f26b8f58 [ 4562.099517] RDX: 0000000000000000 RSI: ffff9810f26b9158 RDI: ffff98108791f400 [ 4562.099519] RBP: ffff9810f26b9158 R08: 0000000000000000 R09: 0000000000000000 [ 4562.099521] R10: ffffa94cc420bc48 R11: 00000000000000 01 R12: ffff9810f02a7cc0 [ 4562.099526] R13: 0000000000000000 R14: 00000000000000ff R15: 0000000000000007 [ 4562.099528] FS: 00007f629c 5017c0(0000) GS:ffff98142c700000(0000 ) knlGS:0000000000000000 [ 4562.099534] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4562.099536] CR2: 00007f629a882000 CR3: 17019e004 CR4: 00000000003706f0 [ 4562.099541] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 4562.099542] DR3: 0000000000000 DR6 : 00000000fffe0ff0 DR7: 0000000000000400 [ 4562.099544] Seguimiento de llamadas: [ 4562.099555] [ 4562.099573] ? die_addr+0x36/0x90 [4562.099583]? exc_general_protection+0x246/0x4a0 [4562.099593]? asm_exc_general_protection+0x26/0x30 [4562.099600]? nvkm_object_search+0x1d/0x70 [nuevo] [ 4562.099730] nvkm_ioctl+0xa1/0x250 [nuevo] [ 4562.099861] nvif_object_map_handle+0xc8/0x180 [nuevo] [ 4562.099986] _io_mem_reserve+0x122/0x270 [nuevo] [ 4562.100156] ? dma_resv_test_signaled+0x26/0xb0 [4562.100163] ttm_bo_vm_fault_reserved+0x97/0x3c0 [ttm] [4562.100182]? __mutex_unlock_slowpath+0x2a/0x270 [ 4562.100189] nouveau_ttm_fault+0x69/0xb0 [nuevo] [ 4562.100356] __do_fault+0x32/0x150 [ 4562.100362] do_fault+0x7c/0x560 [ 4 562.100369] __handle_mm_fault+0x800/0xc10 [ 4562.100382] handle_mm_fault+0x17c/0x3e0 [ 4562.100388 ] do_user_addr_fault+0x208/0x860 [ 4562.100395] exc_page_fault+0x7f/0x200 [ 4562.100402] asm_exc_page_fault+0x26/0x30 [ 4562.100412] RIP: 0033:0x9b9870 [ 4562.100419] Código: 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 <44> 89 32 e9 f8 f1 ff ff 0f 1f 84 00 00 00 00 00 66 89 32 e9 e7 [ 4562.100422] RSP: 002b:00007fff9ba2dc70 EFLAGS: 00010246 [ 4562.100426] RAX: 00000000000000004 RBX: 000000000dd65e10 RCX: 000000fff0000 000 [4562.100428] RDX: 00007f629a882000 RSI: 00007f629a882000 RDI: 0000000000000066 [4562.100432] RBP: 00007fff9ba2e570 R08: 0000000 R09: 0000000123ddf000 [4562.100434 ] R10: 0000000000000001 R11: 00000000000000246 R12: 000000007ffffff [ 4562.100436] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 4562.100446] [ 4562.100448] Módulos vinculados en: nf_conntrack_netbios_ns nf_conntrack_broadcast nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 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 mac802 11 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 ---truncado---

A flaw was found in the nouveau module in the Linux kernel. A missing resource lock can cause a race condition and trigger a general protection fault, resulting in a denial of service.

In the Linux kernel, the following vulnerability has been resolved: nouveau: lock the client object tree. It appears the client object tree has no locking unless I've missed something else. Fix races around adding/removing client objects, mostly vram bar mappings. 4562.099306] general protection fault, probably for non-canonical address 0x6677ed422bceb80c: 0000 [#1] PREEMPT SMP PTI [ 4562.099314] CPU: 2 PID: 23171 Comm: deqp-vk Not tainted 6.8.0-rc6+ #27 [ 4562.099324] Hardware name: Gigabyte Technology Co., Ltd. Z390 I AORUS PRO WIFI/Z390 I AORUS PRO WIFI-CF, BIOS F8 11/05/2021 [ 4562.099330] RIP: 0010:nvkm_object_search+0x1d/0x70 [nouveau] [ 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 <48> 8b 48 f8 48 39 ce 73 15 48 8b 40 10 48 85 c0 75 ee 48 c7 c0 fe [ 4562.099506] RSP: 0000:ffffa94cc420bbf8 EFLAGS: 00010206 [ 4562.099512] RAX: 6677ed422bceb814 RBX: ffff98108791f400 RCX: ffff9810f26b8f58 [ 4562.099517] RDX: 0000000000000000 RSI: ffff9810f26b9158 RDI: ffff98108791f400 [ 4562.099519] RBP: ffff9810f26b9158 R08: 0000000000000000 R09: 0000000000000000 [ 4562.099521] R10: ffffa94cc420bc48 R11: 0000000000000001 R12: ffff9810f02a7cc0 [ 4562.099526] R13: 0000000000000000 R14: 00000000000000ff R15: 0000000000000007 [ 4562.099528] FS: 00007f629c5017c0(0000) GS:ffff98142c700000(0000) knlGS:0000000000000000 [ 4562.099534] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4562.099536] CR2: 00007f629a882000 CR3: 000000017019e004 CR4: 00000000003706f0 [ 4562.099541] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 4562.099542] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 4562.099544] Call Trace: [ 4562.099555] <TASK> [ 4562.099573] ? die_addr+0x36/0x90 [ 4562.099583] ? exc_general_protection+0x246/0x4a0 [ 4562.099593] ? asm_exc_general_protection+0x26/0x30 [ 4562.099600] ? nvkm_object_search+0x1d/0x70 [nouveau] [ 4562.099730] nvkm_ioctl+0xa1/0x250 [nouveau] [ 4562.099861] nvif_object_map_handle+0xc8/0x180 [nouveau] [ 4562.099986] nouveau_ttm_io_mem_reserve+0x122/0x270 [nouveau] [ 4562.100156] ? dma_resv_test_signaled+0x26/0xb0 [ 4562.100163] ttm_bo_vm_fault_reserved+0x97/0x3c0 [ttm] [ 4562.100182] ? __mutex_unlock_slowpath+0x2a/0x270 [ 4562.100189] nouveau_ttm_fault+0x69/0xb0 [nouveau] [ 4562.100356] __do_fault+0x32/0x150 [ 4562.100362] do_fault+0x7c/0x560 [ 4562.100369] __handle_mm_fault+0x800/0xc10 [ 4562.100382] handle_mm_fault+0x17c/0x3e0 [ 4562.100388] do_user_addr_fault+0x208/0x860 [ 4562.100395] exc_page_fault+0x7f/0x200 [ 4562.100402] asm_exc_page_fault+0x26/0x30 [ 4562.100412] RIP: 0033:0x9b9870 [ 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 <44> 89 32 e9 f8 f1 ff ff 0f 1f 84 00 00 00 00 00 66 44 89 32 e9 e7 [ 4562.100422] RSP: 002b:00007fff9ba2dc70 EFLAGS: 00010246 [ 4562.100426] RAX: 0000000000000004 RBX: 000000000dd65e10 RCX: 000000fff0000000 [ 4562.100428] RDX: 00007f629a882000 RSI: 00007f629a882000 RDI: 0000000000000066 [ 4562.100432] RBP: 00007fff9ba2e570 R08: 0000000000000000 R09: 0000000123ddf000 [ 4562.100434] R10: 0000000000000001 R11: 0000000000000246 R12: 000000007fffffff [ 4562.100436] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 4562.100446] </TASK> [ 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 ---truncated---

An update for the kernel:5.14.0 module is now available for Red Hat Enterprise Linux 9.4 Extended Update Support. Issues addressed include out of bounds write and use-after-free vulnerabilities.

*Credits: N/A

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Local

Attack Complexity

Low

Authentication

Single

Confidentiality

None

Integrity

None

Availability

Complete

* Common Vulnerability Scoring System

SSVC

Decision:Track

Exploitation

None

Automatable

Tech. Impact

Partial

* Organization's Worst-case Scenario

Timeline

2024-02-19 CVE Reserved
2024-05-01 CVE Published
2024-12-19 CVE Updated
2025-03-18 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

CAPEC

References (5)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC
https://git.kernel.org/stable/c/6887314f5356389fc219b8152e951ac084a10ef7	2024-04-03
https://git.kernel.org/stable/c/96c8751844171af4b3898fee3857ee180586f589	2024-04-03
https://git.kernel.org/stable/c/b7cc4ff787a572edf2c55caeffaa88cd801eb135	2024-03-08

URL	Date	SRC
https://access.redhat.com/security/cve/CVE-2024-27062	2024-11-12
https://bugzilla.redhat.com/show_bug.cgi?id=2278387	2024-11-12

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				< 6.6.24 Search vendor "Linux" for product "Linux Kernel" and version " < 6.6.24"		en		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				< 6.7.12 Search vendor "Linux" for product "Linux Kernel" and version " < 6.7.12"		en		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				< 6.8 Search vendor "Linux" for product "Linux Kernel" and version " < 6.8"		en		Affected