cbcvebase.
CVE-2023-53363
published 2025-09-17

CVE-2023-53363: In the Linux kernel, the following vulnerability has been resolved: PCI: Fix use-after-free in pci_bus_release_domain_nr() Commit c14f7ccc9f5d ("PCI: Assign…

PriorityP340high7.8CVSS 3.1
AVLACLPRLUINSUCHIHAH
EPSS
0.18%
7.4th percentile
In the Linux kernel, the following vulnerability has been resolved: PCI: Fix use-after-free in pci_bus_release_domain_nr() Commit c14f7ccc9f5d ("PCI: Assign PCI domain IDs by ida_alloc()") introduced a use-after-free bug in the bus removal cleanup. The issue was found with kfence: [ 19.293351] BUG: KFENCE: use-after-free read in pci_bus_release_domain_nr+0x10/0x70 [ 19.302817] Use-after-free read at 0x000000007f3b80eb (in kfence-#115): [ 19.309677] pci_bus_release_domain_nr+0x10/0x70 [ 19.309691] dw_pcie_host_deinit+0x28/0x78 [ 19.309702] tegra_pcie_deinit_controller+0x1c/0x38 [pcie_tegra194] [ 19.309734] tegra_pcie_dw_probe+0x648/0xb28 [pcie_tegra194] [ 19.309752] platform_probe+0x90/0xd8 ... [ 19.311457] kfence-#115: 0x00000000063a155a-0x00000000ba698da8, size=1072, cache=kmalloc-2k [ 19.311469] allocated by task 96 on cpu 10 at 19.279323s: [ 19.311562] __kmem_cache_alloc_node+0x260/0x278 [ 19.311571] kmalloc_trace+0x24/0x30 [ 19.311580] pci_alloc_bus+0x24/0xa0 [ 19.311590] pci_register_host_bridge+0x48/0x4b8 [ 19.311601] pci_scan_root_bus_bridge+0xc0/0xe8 [ 19.311613] pci_host_probe+0x18/0xc0 [ 19.311623] dw_pcie_host_init+0x2c0/0x568 [ 19.311630] tegra_pcie_dw_probe+0x610/0xb28 [pcie_tegra194] [ 19.311647] platform_probe+0x90/0xd8 ... [ 19.311782] freed by task 96 on cpu 10 at 19.285833s: [ 19.311799] release_pcibus_dev+0x30/0x40 [ 19.311808] device_release+0x30/0x90 [ 19.311814] kobject_put+0xa8/0x120 [ 19.311832] device_unregister+0x20/0x30 [ 19.311839] pci_remove_bus+0x78/0x88 [ 19.311850] pci_remove_root_bus+0x5c/0x98 [ 19.311860] dw_pcie_host_deinit+0x28/0x78 [ 19.311866] tegra_pcie_deinit_controller+0x1c/0x38 [pcie_tegra194] [ 19.311883] tegra_pcie_dw_probe+0x648/0xb28 [pcie_tegra194] [ 19.311900] platform_probe+0x90/0xd8 ... [ 19.313579] CPU: 10 PID: 96 Comm: kworker/u24:2 Not tainted 6.2.0 #4 [ 19.320171] Hardware name: /, BIOS 1.0-d7fb19b 08/10/2022 [ 19.325852] Workqueue: events_unbound deferred_probe_work_func The stack trace is a bit mislead

Affected

13 ranges
VendorProductVersion rangeFixed in
debianlinux< linux 6.1.137-1 (bookworm)linux 6.1.137-1 (bookworm)
linuxlinux——
linuxlinux>= c14f7ccc9f5dcf9d06ddeec706f85405b2c80600 < 07a75c0050e59c50f038cc5f4e2a3258c8f8c9d007a75c0050e59c50f038cc5f4e2a3258c8f8c9d0
linuxlinux>= c14f7ccc9f5dcf9d06ddeec706f85405b2c80600 < 30ba2d09edb5ea857a1473ae3d820911347ada6230ba2d09edb5ea857a1473ae3d820911347ada62
linuxlinux>= db273126bf548a2dc611372e8f6a817b2b16b563 < ad367516b1c09317111255ecfbf5e42c33e31918ad367516b1c09317111255ecfbf5e42c33e31918
linuxlinux>= ead4d69b3ef047b0f670511d81e9ced7ac876b44 < fbf45385e3419b8698b5e0a434847072375cfec2fbf45385e3419b8698b5e0a434847072375cfec2
linuxlinux>= f8b6bd6c04d4dfc4c200e6fa306e61e3b42ec5fc < 52b0343c7d628f37b38e3279ba585526b850ad3b52b0343c7d628f37b38e3279ba585526b850ad3b
linuxlinux_kernel——
linuxlinux_kernel>= 0 < 5.10.237-15.10.237-1
linuxlinux_kernel>= 0 < 6.1.137-16.1.137-1
linuxlinux_kernel>= 0 < 6.3.7-16.3.7-1
linuxlinux_kernel>= 0 < 6.3.7-16.3.7-1
linuxlinux_kernel>= 6.2 < 6.2.126.2.12

CVSS provenance

nvdv3.17.8HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
osv7.8HIGH
vendor_debian7.8HIGH
vendor_redhat7.8HIGH
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