cve-2024-35836
Vulnerability from cvelistv5
Published
2024-05-17 14:02
Modified
2024-11-05 09:23
Severity ?
Summary
dpll: fix pin dump crash for rebound module
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/5050a5b9d8b4d3c6f7e376e07670e437db7ccf9c
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/830ead5fb0c5855ce4d70ba2ed4a673b5f1e7d9b
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/5050a5b9d8b4d3c6f7e376e07670e437db7ccf9c
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/830ead5fb0c5855ce4d70ba2ed4a673b5f1e7d9b
Impacted products
Vendor Product Version
Linux Linux Version: 6.7
Show details on NVD website

To clipboard 

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            "drivers/dpll/dpll_core.h",
            "drivers/dpll/dpll_netlink.c"
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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndpll: fix pin dump crash for rebound module\n\nWhen a kernel module is unbound but the pin resources were not entirely\nfreed (other kernel module instance of the same PCI device have had kept\nthe reference to that pin), and kernel module is again bound, the pin\nproperties would not be updated (the properties are only assigned when\nmemory for the pin is allocated), prop pointer still points to the\nkernel module memory of the kernel module which was deallocated on the\nunbind.\n\nIf the pin dump is invoked in this state, the result is a kernel crash.\nPrevent the crash by storing persistent pin properties in dpll subsystem,\ncopy the content from the kernel module when pin is allocated, instead of\nusing memory of the kernel module."
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