CVE-2024-36885 Security Vulnerability & Exploit Details

CVE-2024-36885
Vulnerability Scoring

Analysis In Progress

Attack Complexity Details

Attack Complexity:
Attack Complexity Analysis In Progress
Attack Vector:
Attack Vector Under Analysis
Privileges Required: None
No authentication is required for exploitation.
Scope:
Impact is confined to the initially vulnerable component.
User Interaction: None
No user interaction is necessary for exploitation.

CVE-2024-36885 Details

Status: Awaiting Analysis

Last updated: 🕘 21 Nov 2024, 09:22 UTC
Originally published on: 🕓 30 May 2024, 16:15 UTC

Time between publication and last update: 174 days

CVSS Release:

CVE-2024-36885 Vulnerability Summary

CVE-2024-36885: In the Linux kernel, the following vulnerability has been resolved: drm/nouveau/firmware: Fix SG_DEBUG error with nvkm_firmware_ctor() Currently, enabling SG_DEBUG in the kernel will cause nouveau to hit a BUG() on startup: kernel BUG at include/linux/scatterlist.h:187! invalid opcode: 0000 [#1] PREEMPT SMP NOPTI CPU: 7 PID: 930 Comm: (udev-worker) Not tainted 6.9.0-rc3Lyude-Test+ #30 Hardware name: MSI MS-7A39/A320M GAMING PRO (MS-7A39), BIOS 1.I0 01/22/2019 RIP: 0010:sg_init_one+0x85/0xa0 Code: 69 88 32 01 83 e1 03 f6 c3 03 75 20 a8 01 75 1e 48 09 cb 41 89 54 24 08 49 89 1c 24 41 89 6c 24 0c 5b 5d 41 5c e9 7b b9 88 00 <0f> 0b 0f 0b 0f 0b 48 8b 05 5e 46 9a 01 eb b2 66 66 2e 0f 1f 84 00 RSP: 0018:ffffa776017bf6a0 EFLAGS: 00010246 RAX: 0000000000000000 RBX: ffffa77600d87000 RCX: 000000000000002b RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffffa77680d87000 RBP: 000000000000e000 R08: 0000000000000000 R09: 0000000000000000 R10: ffff98f4c46aa508 R11: 0000000000000000 R12: ffff98f4c46aa508 R13: ffff98f4c46aa008 R14: ffffa77600d4a000 R15: ffffa77600d4a018 FS: 00007feeb5aae980(0000) GS:ffff98f5c4dc0000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f22cb9a4520 CR3: 00000001043ba000 CR4: 00000000003506f0 Call Trace: <TASK> ? die+0x36/0x90 ? do_trap+0xdd/0x100 ? sg_init_one+0x85/0xa0 ? do_error_trap+0x65/0x80 ? sg_init_one+0x85/0xa0 ? exc_invalid_op+0x50/0x70 ? sg_init_one+0x85/0xa0 ? asm_exc_invalid_op+0x1a/0x20 ? sg_init_one+0x85/0xa0 nvkm_firmware_ctor+0x14a/0x250 [nouveau] nvkm_falcon_fw_ctor+0x42/0x70 [nouveau] ga102_gsp_booter_ctor+0xb4/0x1a0 [nouveau] r535_gsp_oneinit+0xb3/0x15f0 [nouveau] ? srso_return_thunk+0x5/0x5f ? srso_return_thunk+0x5/0x5f ? nvkm_udevice_new+0x95/0x140 [nouveau] ? srso_return_thunk+0x5/0x5f ? srso_return_thunk+0x5/0x5f ? ktime_get+0x47/0xb0 ? srso_return_thunk+0x5/0x5f nvkm_subdev_oneinit_+0x4f/0x120 [nouveau] nvkm_subdev_init_+0x39/0x140 [nouveau] ? srso_return_thunk+0x5/0x5f nvkm_subdev_init+0x44/0x90 [nouveau] nvkm_device_init+0x166/0x2e0 [nouveau] nvkm_udevice_init+0x47/0x70 [nouveau] nvkm_object_init+0x41/0x1c0 [nouveau] nvkm_ioctl_new+0x16a/0x290 [nouveau] ? __pfx_nvkm_client_child_new+0x10/0x10 [nouveau] ? __pfx_nvkm_udevice_new+0x10/0x10 [nouveau] nvkm_ioctl+0x126/0x290 [nouveau] nvif_object_ctor+0x112/0x190 [nouveau] nvif_device_ctor+0x23/0x60 [nouveau] nouveau_cli_init+0x164/0x640 [nouveau] nouveau_drm_device_init+0x97/0x9e0 [nouveau] ? srso_return_thunk+0x5/0x5f ? pci_update_current_state+0x72/0xb0 ? srso_return_thunk+0x5/0x5f nouveau_drm_probe+0x12c/0x280 [nouveau] ? srso_return_thunk+0x5/0x5f local_pci_probe+0x45/0xa0 pci_device_probe+0xc7/0x270 really_probe+0xe6/0x3a0 __driver_probe_device+0x87/0x160 driver_probe_device+0x1f/0xc0 __driver_attach+0xec/0x1f0 ? __pfx___driver_attach+0x10/0x10 bus_for_each_dev+0x88/0xd0 bus_add_driver+0x116/0x220 driver_register+0x59/0x100 ? __pfx_nouveau_drm_init+0x10/0x10 [nouveau] do_one_initcall+0x5b/0x320 do_init_module+0x60/0x250 init_module_from_file+0x86/0xc0 idempotent_init_module+0x120/0x2b0 __x64_sys_finit_module+0x5e/0xb0 do_syscall_64+0x83/0x160 ? srso_return_thunk+0x5/0x5f entry_SYSCALL_64_after_hwframe+0x71/0x79 RIP: 0033:0x7feeb5cc20cd Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 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 8b 0d 1b cd 0c 00 f7 d8 64 89 01 48 RSP: 002b:00007ffcf220b2c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 RAX: ffffffffffffffda RBX: 000055fdd2916aa0 RCX: 00007feeb5cc20cd RDX: 0000000000000000 RSI: 000055fdd29161e0 RDI: 0000000000000035 RBP: 00007ffcf220b380 R08: 00007feeb5d8fb20 R09: 00007ffcf220b310 R10: 000055fdd2909dc0 R11: 0000000000000246 R12: 000055 ---truncated---

Assessing the Risk of CVE-2024-36885

Access Complexity Graph

The exploitability of CVE-2024-36885 depends on two key factors: attack complexity (the level of effort required to execute an exploit) and privileges required (the access level an attacker needs).

Exploitability Analysis for CVE-2024-36885

No exploitability data is available for CVE-2024-36885.

Understanding AC and PR

A lower complexity and fewer privilege requirements make exploitation easier. Security teams should evaluate these aspects to determine the urgency of mitigation strategies, such as patch management and access control policies.

Attack Complexity (AC) measures the difficulty in executing an exploit. A high AC means that specific conditions must be met, making an attack more challenging, while a low AC means the vulnerability can be exploited with minimal effort.

Privileges Required (PR) determine the level of system access necessary for an attack. Vulnerabilities requiring no privileges are more accessible to attackers, whereas high privilege requirements limit exploitation to authorized users with elevated access.

CVSS Score Breakdown Chart

Above is the CVSS Sub-score Breakdown for CVE-2024-36885, illustrating how Base, Impact, and Exploitability factors combine to form the overall severity rating. A higher sub-score typically indicates a more severe or easier-to-exploit vulnerability.

CIA Impact Analysis

Below is the Impact Analysis for CVE-2024-36885, showing how Confidentiality, Integrity, and Availability might be affected if the vulnerability is exploited. Higher values usually signal greater potential damage.

Confidentiality: None
CVE-2024-36885 does not compromise confidentiality.
Integrity: None
CVE-2024-36885 does not impact data integrity.
Availability: None
CVE-2024-36885 does not affect system availability.

Exploit Prediction Scoring System (EPSS)

The EPSS score estimates the probability that this vulnerability will be exploited in the near future.

EPSS Score: 0.043% (probability of exploit)

EPSS Percentile: 11.87% (lower percentile = lower relative risk)
This vulnerability is less risky than approximately 88.13% of others.

CVE-2024-36885 References

External References

CWE Common Weakness Enumeration

Unknown

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CVE-2024-36885 Vulnerability Scoring