{"cve":"CVE-2024-50122","nvd":{"published":"2024-11-05T18:15:15.210","modified":"2026-06-17T08:03:38.750","status":"Modified","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nPCI: Hold rescan lock while adding devices during host probe\n\nSince adding the PCI power control code, we may end up with a race between\nthe pwrctl platform device rescanning the bus and host controller probe\nfunctions. The latter need to take the rescan lock when adding devices or\nwe may end up in an undefined state having two incompletely added devices\nand hit the following crash when trying to remove the device over sysfs:\n\n  Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000\n  Internal error: Oops: 0000000096000004 [#1] SMP\n  Call trace:\n    __pi_strlen+0x14/0x150\n    kernfs_find_ns+0x80/0x13c\n    kernfs_remove_by_name_ns+0x54/0xf0\n    sysfs_remove_bin_file+0x24/0x34\n    pci_remove_resource_files+0x3c/0x84\n    pci_remove_sysfs_dev_files+0x28/0x38\n    pci_stop_bus_device+0x8c/0xd8\n    pci_stop_bus_device+0x40/0xd8\n    pci_stop_and_remove_bus_device_locked+0x28/0x48\n    remove_store+0x70/0xb0\n    dev_attr_store+0x20/0x38\n    sysfs_kf_write+0x58/0x78\n    kernfs_fop_write_iter+0xe8/0x184\n    vfs_write+0x2dc/0x308\n    ksys_write+0x7c/0xec","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","score":5.5},"cwes":["CWE-476"],"references":["https://git.kernel.org/stable/c/1d59d474e1cb7d4fdf87dfaf96f44647f13ea590","https://git.kernel.org/stable/c/d4f38a0e7cc94615f63cf7765ca117e5cc2773ae"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T21:57:07.693694550+00:00"},"epss":{"cve":"CVE-2024-50122","score":0.00188,"percentile":0.08459,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}