{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2023-53082", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-05-02T15:51:43.550Z", "datePublished": "2025-05-02T15:55:31.071Z", "dateUpdated": "2026-05-11T19:38:10.945Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T19:38:10.945Z" }, "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nvp_vdpa: fix the crash in hot unplug with vp_vdpa\n\nWhile unplugging the vp_vdpa device, it triggers a kernel panic\nThe root cause is: vdpa_mgmtdev_unregister() will accesses modern\ndevices which will cause a use after free.\nSo need to change the sequence in vp_vdpa_remove\n\n[ 195.003359] BUG: unable to handle page fault for address: ff4e8beb80199014\n[ 195.004012] #PF: supervisor read access in kernel mode\n[ 195.004486] #PF: error_code(0x0000) - not-present page\n[ 195.004960] PGD 100000067 P4D 1001b6067 PUD 1001b7067 PMD 1001b8067 PTE 0\n[ 195.005578] Oops: 0000 1 PREEMPT SMP PTI\n[ 195.005968] CPU: 13 PID: 164 Comm: kworker/u56:10 Kdump: loaded Not tainted 5.14.0-252.el9.x86_64 #1\n[ 195.006792] Hardware name: Red Hat KVM/RHEL, BIOS edk2-20221207gitfff6d81270b5-2.el9 unknown\n[ 195.007556] Workqueue: kacpi_hotplug acpi_hotplug_work_fn\n[ 195.008059] RIP: 0010:ioread8+0x31/0x80\n[ 195.008418] Code: 77 28 48 81 ff 00 00 01 00 76 0b 89 fa ec 0f b6 c0 c3 cc cc cc cc 8b 15 ad 72 93 01 b8 ff 00 00 00 85 d2 75 0f c3 cc cc cc cc <8a> 07 0f b6 c0 c3 cc cc cc cc 83 ea 01 48 83 ec 08 48 89 fe 48 c7\n[ 195.010104] RSP: 0018:ff4e8beb8067bab8 EFLAGS: 00010292\n[ 195.010584] RAX: ffffffffc05834a0 RBX: ffffffffc05843c0 RCX: ff4e8beb8067bae0\n[ 195.011233] RDX: ff1bcbd580f88000 RSI: 0000000000000246 RDI: ff4e8beb80199014\n[ 195.011881] RBP: ff1bcbd587e39000 R08: ffffffff916fa2d0 R09: ff4e8beb8067ba68\n[ 195.012527] R10: 000000000000001c R11: 0000000000000000 R12: ff1bcbd5a3de9120\n[ 195.013179] R13: ffffffffc062d000 R14: 0000000000000080 R15: ff1bcbe402bc7805\n[ 195.013826] FS: 0000000000000000(0000) GS:ff1bcbe402740000(0000) knlGS:0000000000000000\n[ 195.014564] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n[ 195.015093] CR2: ff4e8beb80199014 CR3: 0000000107dea002 CR4: 0000000000771ee0\n[ 195.015741] PKRU: 55555554\n[ 195.016001] Call Trace:\n[ 195.016233] \n[ 195.016434] vp_modern_get_status+0x12/0x20\n[ 195.016823] vp_vdpa_reset+0x1b/0x50 [vp_vdpa]\n[ 195.017238] virtio_vdpa_reset+0x3c/0x48 [virtio_vdpa]\n[ 195.017709] remove_vq_common+0x1f/0x3a0 [virtio_net]\n[ 195.018178] virtnet_remove+0x5d/0x70 [virtio_net]\n[ 195.018618] virtio_dev_remove+0x3d/0x90\n[ 195.018986] device_release_driver_internal+0x1aa/0x230\n[ 195.019466] bus_remove_device+0xd8/0x150\n[ 195.019841] device_del+0x18b/0x3f0\n[ 195.020167] ? kernfs_find_ns+0x35/0xd0\n[ 195.020526] device_unregister+0x13/0x60\n[ 195.020894] unregister_virtio_device+0x11/0x20\n[ 195.021311] device_release_driver_internal+0x1aa/0x230\n[ 195.021790] bus_remove_device+0xd8/0x150\n[ 195.022162] device_del+0x18b/0x3f0\n[ 195.022487] device_unregister+0x13/0x60\n[ 195.022852] ? vdpa_dev_remove+0x30/0x30 [vdpa]\n[ 195.023270] vp_vdpa_dev_del+0x12/0x20 [vp_vdpa]\n[ 195.023694] vdpa_match_remove+0x2b/0x40 [vdpa]\n[ 195.024115] bus_for_each_dev+0x78/0xc0\n[ 195.024471] vdpa_mgmtdev_unregister+0x65/0x80 [vdpa]\n[ 195.024937] vp_vdpa_remove+0x23/0x40 [vp_vdpa]\n[ 195.025353] pci_device_remove+0x36/0xa0\n[ 195.025719] device_release_driver_internal+0x1aa/0x230\n[ 195.026201] pci_stop_bus_device+0x6c/0x90\n[ 195.026580] pci_stop_and_remove_bus_device+0xe/0x20\n[ 195.027039] disable_slot+0x49/0x90\n[ 195.027366] acpiphp_disable_and_eject_slot+0x15/0x90\n[ 195.027832] hotplug_event+0xea/0x210\n[ 195.028171] ? hotplug_event+0x210/0x210\n[ 195.028535] acpiphp_hotplug_notify+0x22/0x80\n[ 195.028942] ? hotplug_event+0x210/0x210\n[ 195.029303] acpi_device_hotplug+0x8a/0x1d0\n[ 195.029690] acpi_hotplug_work_fn+0x1a/0x30\n[ 195.030077] process_one_work+0x1e8/0x3c0\n[ 195.030451] worker_thread+0x50/0x3b0\n[ 195.030791] ? rescuer_thread+0x3a0/0x3a0\n[ 195.031165] kthread+0xd9/0x100\n[ 195.031459] ? kthread_complete_and_exit+0x20/0x20\n[ 195.031899] ret_from_fork+0x22/0x30\n[ 195.032233] " } ], "affected": [ { "product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "drivers/vdpa/virtio_pci/vp_vdpa.c" ], "versions": [ { "version": "ffbda8e9df10d1784d5427ec199e7d8308e3763f", "lessThan": "baafa2960731211837d8fc04ff3873ecb7440464", "status": "affected", "versionType": "git" }, { "version": "ffbda8e9df10d1784d5427ec199e7d8308e3763f", "lessThan": "fa1f327f93c9a7310cce9d2fcda28b7af91f7437", "status": "affected", "versionType": "git" }, { "version": "ffbda8e9df10d1784d5427ec199e7d8308e3763f", "lessThan": "aed8efddd39b3434c96718d39009285c52b1cafc", "status": "affected", "versionType": "git" } ] }, { "product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "drivers/vdpa/virtio_pci/vp_vdpa.c" ], "versions": [ { "version": "5.19", "status": "affected" }, { "version": "0", "lessThan": "5.19", "status": "unaffected", "versionType": "semver" }, { "version": "6.1.21", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.2.8", "lessThanOrEqual": "6.2.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.3", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix" } ] } ], "cpeApplicability": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.19", "versionEndExcluding": "6.1.21" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.19", "versionEndExcluding": "6.2.8" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.19", "versionEndExcluding": "6.3" } ] } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/baafa2960731211837d8fc04ff3873ecb7440464" }, { "url": "https://git.kernel.org/stable/c/fa1f327f93c9a7310cce9d2fcda28b7af91f7437" }, { "url": "https://git.kernel.org/stable/c/aed8efddd39b3434c96718d39009285c52b1cafc" } ], "title": "vp_vdpa: fix the crash in hot unplug with vp_vdpa", "x_generator": { "engine": "bippy-1.2.0" } } } }