🛡️ AZL-49120 — kernel

⚪ Unknown ✅ No Known Exploit OSV
N/A
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

CVE-2023-52912 affecting package kernel 5.15.200.1-1

In the Linux kernel, the following vulnerability has been resolved:

drm/amdgpu: Fixed bug on error when unloading amdgpu

Fixed bug on error when unloading amdgpu.

The error message is as follows:

[ 377.706202] kernel BUG at drivers/gpu/drm/drm_buddy.c:278!

[ 377.706215] invalid opcode: 0000 [#1] PREEMPT SMP NOPTI

[ 377.706222] CPU: 4 PID: 8610 Comm: modprobe Tainted: G IOE 6.0.0-thomas #1

[ 377.706231] Hardware name: ASUS System Product Name/PRIME Z390-A, BIOS 2004 11/02/2021

[ 377.706238] RIP: 0010:drm_buddy_free_block+0x26/0x30 [drm_buddy]

[ 377.706264] Code: 00 00 00 90 0f 1f 44 00 00 48 8b 0e 89 c8 25 00 0c 00 00 3d 00 04 00 00 75 10 48 8b 47 18 48 d3 e0 48 01 47 28 e9 fa fe ff ff <0f> 0b 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 41 54 55 48 89 f5 53

[ 377.706282] RSP: 0018:ffffad2dc4683cb8 EFLAGS: 00010287

[ 377.706289] RAX: 0000000000000000 RBX: ffff8b1743bd5138 RCX: 0000000000000000

[ 377.706297] RDX: ffff8b1743bd5160 RSI: ffff8b1743bd5c78 RDI: ffff8b16d1b25f70

[ 377.706304] RBP: ffff8b1743bd59e0 R08: 0000000000000001 R09: 0000000000000001

[ 377.706311] R10: ffff8b16c8572400 R11: ffffad2dc4683cf0 R12: ffff8b16d1b25f70

[ 377.706318] R13: ffff8b16d1b25fd0 R14: ffff8b1743bd59c0 R15: ffff8b16d1b25f70

[ 377.706325] FS: 00007fec56c72c40(0000) GS:ffff8b1836500000(0000) knlGS:0000000000000000

[ 377.706334] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033

[ 377.706340] CR2: 00007f9b88c1ba50 CR3: 0000000110450004 CR4: 00000000003706e0

[ 377.706347] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000

[ 377.706354] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400

[ 377.706361] Call Trace:

[ 377.706365] <TASK>

[ 377.706369] drm_buddy_free_list+0x2a/0x60 [drm_buddy]

[ 377.706376] amdgpu_vram_mgr_fini+0xea/0x180 [amdgpu]

[ 377.706572] amdgpu_ttm_fini+0x12e/0x1a0 [amdgpu]

[ 377.706650] amdgpu_bo_fini+0x22/0x90 [amdgpu]

[ 377.706727] gmc_v11_0_sw_fini+0x26/0x30 [amdgpu]

[ 377.706821] amdgpu_device_fini_sw+0xa1/0x3c0 [amdgpu]

[ 377.706897] amdgpu_driver_release_kms+0x12/0x30 [amdgpu]

[ 377.706975] drm_dev_release+0x20/0x40 [drm]

[ 377.707006] release_nodes+0x35/0xb0

[ 377.707014] devres_release_all+0x8b/0xc0

[ 377.707020] device_unbind_cleanup+0xe/0x70

[ 377.707027] device_release_driver_internal+0xee/0x160

[ 377.707033] driver_detach+0x44/0x90

[ 377.707039] bus_remove_driver+0x55/0xe0

[ 377.707045] pci_unregister_driver+0x3b/0x90

[ 377.707052] amdgpu_exit+0x11/0x6c [amdgpu]

[ 377.707194] __x64_sys_delete_module+0x142/0x2b0

[ 377.707201] ? fpregs_assert_state_consistent+0x22/0x50

[ 377.707208] ? exit_to_user_mode_prepare+0x3e/0x190

[ 377.707215] do_syscall_64+0x38/0x90

[ 377.707221] entry_SYSCALL_64_after_hwframe+0x63/0xcd

How this vulnerability can be exploited

This issue can be reached with local access to the system, attack complexity is low, an attacker needs low-level privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality none, integrity none, availability high.

Affected software

AZL-49120 is recorded against 1 package.

  • kernel

Timeline and source

Published on 21 August 2024 and last revised on 21 April 2026. No public exploit is currently recorded for this entry. Record sourced from OSV.

References

nvd.nist.gov (Web)

Details

Severity Unknown
CVSS Score N/A
CVSS Vector CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE N/A
Public Exploit ✅ No
Source OSV
Published 2024-08-21
Updated 2026-08-12
Modified 2026-04-21
Fix URL N/A

Affected Packages

Software From version Fixed in
kernel — —

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