{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2023-53363", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-09-17T14:54:09.733Z", "datePublished": "2025-09-17T14:56:52.401Z", "dateUpdated": "2026-05-11T19:43:30.054Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T19:43:30.054Z" }, "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nPCI: Fix use-after-free in pci_bus_release_domain_nr()\n\nCommit c14f7ccc9f5d (\"PCI: Assign PCI domain IDs by ida_alloc()\")\nintroduced a use-after-free bug in the bus removal cleanup. The issue was\nfound with kfence:\n\n [ 19.293351] BUG: KFENCE: use-after-free read in pci_bus_release_domain_nr+0x10/0x70\n\n [ 19.302817] Use-after-free read at 0x000000007f3b80eb (in kfence-#115):\n [ 19.309677] pci_bus_release_domain_nr+0x10/0x70\n [ 19.309691] dw_pcie_host_deinit+0x28/0x78\n [ 19.309702] tegra_pcie_deinit_controller+0x1c/0x38 [pcie_tegra194]\n [ 19.309734] tegra_pcie_dw_probe+0x648/0xb28 [pcie_tegra194]\n [ 19.309752] platform_probe+0x90/0xd8\n ...\n\n [ 19.311457] kfence-#115: 0x00000000063a155a-0x00000000ba698da8, size=1072, cache=kmalloc-2k\n\n [ 19.311469] allocated by task 96 on cpu 10 at 19.279323s:\n [ 19.311562] __kmem_cache_alloc_node+0x260/0x278\n [ 19.311571] kmalloc_trace+0x24/0x30\n [ 19.311580] pci_alloc_bus+0x24/0xa0\n [ 19.311590] pci_register_host_bridge+0x48/0x4b8\n [ 19.311601] pci_scan_root_bus_bridge+0xc0/0xe8\n [ 19.311613] pci_host_probe+0x18/0xc0\n [ 19.311623] dw_pcie_host_init+0x2c0/0x568\n [ 19.311630] tegra_pcie_dw_probe+0x610/0xb28 [pcie_tegra194]\n [ 19.311647] platform_probe+0x90/0xd8\n ...\n\n [ 19.311782] freed by task 96 on cpu 10 at 19.285833s:\n [ 19.311799] release_pcibus_dev+0x30/0x40\n [ 19.311808] device_release+0x30/0x90\n [ 19.311814] kobject_put+0xa8/0x120\n [ 19.311832] device_unregister+0x20/0x30\n [ 19.311839] pci_remove_bus+0x78/0x88\n [ 19.311850] pci_remove_root_bus+0x5c/0x98\n [ 19.311860] dw_pcie_host_deinit+0x28/0x78\n [ 19.311866] tegra_pcie_deinit_controller+0x1c/0x38 [pcie_tegra194]\n [ 19.311883] tegra_pcie_dw_probe+0x648/0xb28 [pcie_tegra194]\n [ 19.311900] platform_probe+0x90/0xd8\n ...\n\n [ 19.313579] CPU: 10 PID: 96 Comm: kworker/u24:2 Not tainted 6.2.0 #4\n [ 19.320171] Hardware name: /, BIOS 1.0-d7fb19b 08/10/2022\n [ 19.325852] Workqueue: events_unbound deferred_probe_work_func\n\nThe stack trace is a bit misleading as dw_pcie_host_deinit() doesn't\ndirectly call pci_bus_release_domain_nr(). The issue turns out to be in\npci_remove_root_bus() which first calls pci_remove_bus() which frees the\nstruct pci_bus when its struct device is released. Then\npci_bus_release_domain_nr() is called and accesses the freed struct\npci_bus. Reordering these fixes the issue." } ], "affected": [ { "product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "drivers/pci/remove.c" ], "versions": [ { "version": "f8b6bd6c04d4dfc4c200e6fa306e61e3b42ec5fc", "lessThan": "52b0343c7d628f37b38e3279ba585526b850ad3b", "status": "affected", "versionType": "git" }, { "version": "db273126bf548a2dc611372e8f6a817b2b16b563", "lessThan": "ad367516b1c09317111255ecfbf5e42c33e31918", "status": "affected", "versionType": "git" }, { "version": "ead4d69b3ef047b0f670511d81e9ced7ac876b44", "lessThan": "fbf45385e3419b8698b5e0a434847072375cfec2", "status": "affected", "versionType": "git" }, { "version": "c14f7ccc9f5dcf9d06ddeec706f85405b2c80600", "lessThan": "07a75c0050e59c50f038cc5f4e2a3258c8f8c9d0", "status": "affected", "versionType": "git" }, { "version": "c14f7ccc9f5dcf9d06ddeec706f85405b2c80600", "lessThan": "30ba2d09edb5ea857a1473ae3d820911347ada62", "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/pci/remove.c" ], "versions": [ { "version": "6.2", "status": "affected" }, { "version": "0", "lessThan": "6.2", "status": "unaffected", "versionType": "semver" }, { "version": "6.2.12", "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": "6.2", "versionEndExcluding": "6.2.12" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.2", "versionEndExcluding": "6.3" } ] } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/52b0343c7d628f37b38e3279ba585526b850ad3b" }, { "url": "https://git.kernel.org/stable/c/ad367516b1c09317111255ecfbf5e42c33e31918" }, { "url": "https://git.kernel.org/stable/c/fbf45385e3419b8698b5e0a434847072375cfec2" }, { "url": "https://git.kernel.org/stable/c/07a75c0050e59c50f038cc5f4e2a3258c8f8c9d0" }, { "url": "https://git.kernel.org/stable/c/30ba2d09edb5ea857a1473ae3d820911347ada62" } ], "title": "PCI: Fix use-after-free in pci_bus_release_domain_nr()", "x_generator": { "engine": "bippy-1.2.0" } }, "adp": [ { "metrics": [ { "cvssV3_1": { "scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH" } }, { "other": { "type": "ssvc", "content": { "id": "CVE-2023-53363", "role": "CISA Coordinator", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "total" } ], "version": "2.0.3", "timestamp": "2026-01-14T18:44:47.836349Z" } } } ], "problemTypes": [ { "descriptions": [ { "lang": "en", "type": "CWE", "cweId": "CWE-416", "description": "CWE-416 Use After Free" } ] } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-01-14T18:53:01.141Z" } } ] } }