CVE-2023-52816

drm/amdkfd: Fix shift out-of-bounds issue

Description

In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: Fix shift out-of-bounds issue [ 567.613292] shift exponent 255 is too large for 64-bit type 'long unsigned int' [ 567.614498] CPU: 5 PID: 238 Comm: kworker/5:1 Tainted: G OE 6.2.0-34-generic #34~22.04.1-Ubuntu [ 567.614502] Hardware name: AMD Splinter/Splinter-RPL, BIOS WS43927N_871 09/25/2023 [ 567.614504] Workqueue: events send_exception_work_handler [amdgpu] [ 567.614748] Call Trace: [ 567.614750] <TASK> [ 567.614753] dump_stack_lvl+0x48/0x70 [ 567.614761] dump_stack+0x10/0x20 [ 567.614763] __ubsan_handle_shift_out_of_bounds+0x156/0x310 [ 567.614769] ? srso_alias_return_thunk+0x5/0x7f [ 567.614773] ? update_sd_lb_stats.constprop.0+0xf2/0x3c0 [ 567.614780] svm_range_split_by_granularity.cold+0x2b/0x34 [amdgpu] [ 567.615047] ? srso_alias_return_thunk+0x5/0x7f [ 567.615052] svm_migrate_to_ram+0x185/0x4d0 [amdgpu] [ 567.615286] do_swap_page+0x7b6/0xa30 [ 567.615291] ? srso_alias_return_thunk+0x5/0x7f [ 567.615294] ? __free_pages+0x119/0x130 [ 567.615299] handle_pte_fault+0x227/0x280 [ 567.615303] __handle_mm_fault+0x3c0/0x720 [ 567.615311] handle_mm_fault+0x119/0x330 [ 567.615314] ? lock_mm_and_find_vma+0x44/0x250 [ 567.615318] do_user_addr_fault+0x1a9/0x640 [ 567.615323] exc_page_fault+0x81/0x1b0 [ 567.615328] asm_exc_page_fault+0x27/0x30 [ 567.615332] RIP: 0010:__get_user_8+0x1c/0x30

N/A
CVSS
Severity:
EPSS 0.10%
Affected: Linux Linux
Affected: Linux Linux
Published at:
Updated at:

References

Link Tags
https://git.kernel.org/stable/c/3f7a400d5e80f99581e3e8a9843e1f6118bf454f
https://git.kernel.org/stable/c/2806f880379232e789957c2078d612669eb7a69c
https://git.kernel.org/stable/c/d33a35b13cbfec3238043f196fa87a6384f9d087
https://git.kernel.org/stable/c/56649c43d40ce0147465a2d5756d300e87f9ee1c
https://git.kernel.org/stable/c/282c1d793076c2edac6c3db51b7e8ed2b41d60a5

Frequently Asked Questions

What is the severity of CVE-2023-52816?
CVE-2023-52816 has not yet been assigned a CVSS score.
How to fix CVE-2023-52816?
To fix CVE-2023-52816, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-52816 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2023-52816 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-52816?
CVE-2023-52816 affects Linux Linux, Linux Linux.
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