cve-2024-35790
Vulnerability from cvelistv5
Published
2024-05-17 12:24
Modified
2024-11-05 09:22
Severity ?
Summary
usb: typec: altmodes/displayport: create sysfs nodes as driver's default device attribute group
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/0ad011776c057ce881b7fd6d8c79ecd459c087e9
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/165376f6b23e9a779850e750fb2eb06622e5a531
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/4a22aeac24d0d5f26ba741408e8b5a4be6dc5dc0
Impacted products
LinuxLinux
LinuxLinux
Show details on NVD website

To clipboard 

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                "timestamp": "2024-06-12T15:26:39.430170Z",
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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nusb: typec: altmodes/displayport: create sysfs nodes as driver\u0027s default device attribute group\n\nThe DisplayPort driver\u0027s sysfs nodes may be present to the userspace before\ntypec_altmode_set_drvdata() completes in dp_altmode_probe. This means that\na sysfs read can trigger a NULL pointer error by deferencing dp-\u003ehpd in\nhpd_show or dp-\u003elock in pin_assignment_show, as dev_get_drvdata() returns\nNULL in those cases.\n\nRemove manual sysfs node creation in favor of adding attribute group as\ndefault for devices bound to the driver. The ATTRIBUTE_GROUPS() macro is\nnot used here otherwise the path to the sysfs nodes is no longer compliant\nwith the ABI."
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