cve-2022-48861
Vulnerability from cvelistv5
Published
2024-07-16 12:25
Modified
2024-11-04 12:18
Severity ?
Summary
vdpa: fix use-after-free on vp_vdpa_remove
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/4b1743bc715a3691a63ac21b349079b07bf1b19ePatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/dc54ba9932aeaaa1a21fe214af1f446593a78274Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/eb057b44dbe35ae14527830236a92f51de8f9184Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/4b1743bc715a3691a63ac21b349079b07bf1b19ePatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/dc54ba9932aeaaa1a21fe214af1f446593a78274Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/eb057b44dbe35ae14527830236a92f51de8f9184Patch
Impacted products
Vendor Product Version
Linux Linux Version: 5.13
Show details on NVD website

To clipboard 

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                "id": "CVE-2022-48861",
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          "programFiles": [
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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nvdpa: fix use-after-free on vp_vdpa_remove\n\nWhen vp_vdpa driver is unbind, vp_vdpa is freed in vdpa_unregister_device\nand then vp_vdpa-\u003emdev.pci_dev is dereferenced in vp_modern_remove,\ntriggering use-after-free.\n\nCall Trace of unbinding driver free vp_vdpa :\ndo_syscall_64\n  vfs_write\n    kernfs_fop_write_iter\n      device_release_driver_internal\n        pci_device_remove\n          vp_vdpa_remove\n            vdpa_unregister_device\n              kobject_release\n                device_release\n                  kfree\n\nCall Trace of dereference vp_vdpa-\u003emdev.pci_dev:\nvp_modern_remove\n  pci_release_selected_regions\n    pci_release_region\n      pci_resource_len\n        pci_resource_end\n          (dev)-\u003eresource[(bar)].end"
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    "cveId": "CVE-2022-48861",
    "datePublished": "2024-07-16T12:25:25.160Z",
    "dateReserved": "2024-07-16T11:38:08.920Z",
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    "state": "PUBLISHED"
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  }
}


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