CVE-2024-50075

xhci: tegra: fix checked USB2 port number

Description

In the Linux kernel, the following vulnerability has been resolved: xhci: tegra: fix checked USB2 port number If USB virtualizatoin is enabled, USB2 ports are shared between all Virtual Functions. The USB2 port number owned by an USB2 root hub in a Virtual Function may be less than total USB2 phy number supported by the Tegra XUSB controller. Using total USB2 phy number as port number to check all PORTSC values would cause invalid memory access. [ 116.923438] Unable to handle kernel paging request at virtual address 006c622f7665642f ... [ 117.213640] Call trace: [ 117.216783] tegra_xusb_enter_elpg+0x23c/0x658 [ 117.222021] tegra_xusb_runtime_suspend+0x40/0x68 [ 117.227260] pm_generic_runtime_suspend+0x30/0x50 [ 117.232847] __rpm_callback+0x84/0x3c0 [ 117.237038] rpm_suspend+0x2dc/0x740 [ 117.241229] pm_runtime_work+0xa0/0xb8 [ 117.245769] process_scheduled_works+0x24c/0x478 [ 117.251007] worker_thread+0x23c/0x328 [ 117.255547] kthread+0x104/0x1b0 [ 117.259389] ret_from_fork+0x10/0x20 [ 117.263582] Code: 54000222 f9461ae8 f8747908 b4ffff48 (f9400100)

5.5

CVSS

Severity: Medium

CVSS 3.1 •

EPSS 0.03%

Affected: Linux Linux

References

Link	Tags
https://git.kernel.org/stable/c/9c696bf4ab54c7cec81221887564305f0ceeac0a	patch
https://git.kernel.org/stable/c/c46555f14b71f95a447f5d49fc3f1f80a1472da2	patch
https://git.kernel.org/stable/c/7d381137cb6ecf558ef6698c7730ddd482d4c8f2	patch

Frequently Asked Questions

What is the severity of CVE-2024-50075?: CVE-2024-50075 has been scored as a medium severity vulnerability.
How to fix CVE-2024-50075?: To fix CVE-2024-50075, 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-2024-50075 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2024-50075 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-2024-50075?: CVE-2024-50075 affects Linux Linux, Linux Linux.

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