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CVE-2023-53703

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

HID: amd_sfh: Fix for shift-out-of-bounds

Shift operation of 'exp' and 'shift' variables exceeds the maximum number
of shift values in the u32 range leading to UBSAN shift-out-of-bounds.

...
[    6.120512] UBSAN: shift-out-of-bounds in drivers/hid/amd-sfh-hid/sfh1_1/amd_sfh_desc.c:149:50
[    6.120598] shift exponent 104 is too large for 64-bit type 'long unsigned int'
[    6.120659] CPU: 4 PID: 96 Comm: kworker/4:1 Not tainted 6.4.0amd_1-next-20230519-dirty #10
[    6.120665] Hardware name: AMD Birman-PHX/Birman-PHX, BIOS SFH_with_HPD_SEN.FD 04/05/2023
[    6.120667] Workqueue: events amd_sfh_work_buffer [amd_sfh]
[    6.120687] Call Trace:
[    6.120690]  <TASK>
[    6.120694]  dump_stack_lvl+0x48/0x70
[    6.120704]  dump_stack+0x10/0x20
[    6.120707]  ubsan_epilogue+0x9/0x40
[    6.120716]  __ubsan_handle_shift_out_of_bounds+0x10f/0x170
[    6.120720]  ? psi_group_change+0x25f/0x4b0
[    6.120729]  float_to_int.cold+0x18/0xba [amd_sfh]
[    6.120739]  get_input_rep+0x57/0x340 [amd_sfh]
[    6.120748]  ? __schedule+0xba7/0x1b60
[    6.120756]  ? __pfx_get_input_rep+0x10/0x10 [amd_sfh]
[    6.120764]  amd_sfh_work_buffer+0x91/0x180 [amd_sfh]
[    6.120772]  process_one_work+0x229/0x430
[    6.120780]  worker_thread+0x4a/0x3c0
[    6.120784]  ? __pfx_worker_thread+0x10/0x10
[    6.120788]  kthread+0xf7/0x130
[    6.120792]  ? __pfx_kthread+0x10/0x10
[    6.120795]  ret_from_fork+0x29/0x50
[    6.120804]  </TASK>
...

Fix this by adding the condition to validate shift ranges.
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HerstellerLinux
Produkt Linux
Default Statusunaffected
Version < 5a45ed1ae34bb0e68944471f4bafb68e0a572791
Version 93ce5e0231d79189be4d9e5f9295807b18941419
Status affected
Version < 1e50bc2c177d4b2953d77037ac46ea0702d6aa1f
Version 93ce5e0231d79189be4d9e5f9295807b18941419
Status affected
Version < 87854366176403438d01f368b09de3ec2234e0f5
Version 93ce5e0231d79189be4d9e5f9295807b18941419
Status affected
HerstellerLinux
Produkt Linux
Default Statusaffected
Version 6.0
Status affected
Version < 6.0
Version 0
Status unaffected
Version <= 6.1.*
Version 6.1.40
Status unaffected
Version <= 6.4.*
Version 6.4.5
Status unaffected
Version <= *
Version 6.5
Status unaffected
Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.02% 0.053
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String