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CVE-2025-38624— PCI: pnv_php: Clean up allocated IRQs on unplug

AI Predicted 6.6 Difficulty: Hard EPSS 0.03% · P7

Affected Version Matrix 18

VendorProductVersion RangeStatus
LinuxLinux360aebd85a4c946764f6301d68de2a817fad5159< 8c1ad4af160691e157d688ad9619ced2df556aacaffected
360aebd85a4c946764f6301d68de2a817fad5159< 912e200240b6f9758f0b126e64a61c9227f4ad37affected
360aebd85a4c946764f6301d68de2a817fad5159< 398170b7fd0e0db2f8096df5206c75e5ff41415aaffected
360aebd85a4c946764f6301d68de2a817fad5159< 32173edf3fe2d447e14e5e3b299387c6f9602a88affected
360aebd85a4c946764f6301d68de2a817fad5159< 28aa3cfce12487614219e7667ec84424e1f43227affected
360aebd85a4c946764f6301d68de2a817fad5159< 1773c19fa55e944cdd2634e2d9e552f87f2d38d5affected
360aebd85a4c946764f6301d68de2a817fad5159< bbd302c4b79df10197ffa7270ca3aa572eeca33caffected
360aebd85a4c946764f6301d68de2a817fad5159< 4668619092554e1b95c9a5ac2941ca47ba6d548aaffected
… +10 more rows
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I. Basic Information for CVE-2025-38624

Vulnerability Information
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Vulnerability Title
PCI: pnv_php: Clean up allocated IRQs on unplug
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: PCI: pnv_php: Clean up allocated IRQs on unplug When the root of a nested PCIe bridge configuration is unplugged, the pnv_php driver leaked the allocated IRQ resources for the child bridges' hotplug event notifications, resulting in a panic. Fix this by walking all child buses and deallocating all its IRQ resources before calling pci_hp_remove_devices(). Also modify the lifetime of the workqueue at struct pnv_php_slot::wq so that it is only destroyed in pnv_php_free_slot(), instead of pnv_php_disable_irq(). This is required since pnv_php_disable_irq() will now be called by workers triggered by hot unplug interrupts, so the workqueue needs to stay allocated. The abridged kernel panic that occurs without this patch is as follows: WARNING: CPU: 0 PID: 687 at kernel/irq/msi.c:292 msi_device_data_release+0x6c/0x9c CPU: 0 UID: 0 PID: 687 Comm: bash Not tainted 6.14.0-rc5+ #2 Call Trace: msi_device_data_release+0x34/0x9c (unreliable) release_nodes+0x64/0x13c devres_release_all+0xc0/0x140 device_del+0x2d4/0x46c pci_destroy_dev+0x5c/0x194 pci_hp_remove_devices+0x90/0x128 pci_hp_remove_devices+0x44/0x128 pnv_php_disable_slot+0x54/0xd4 power_write_file+0xf8/0x18c pci_slot_attr_store+0x40/0x5c sysfs_kf_write+0x64/0x78 kernfs_fop_write_iter+0x1b0/0x290 vfs_write+0x3bc/0x50c ksys_write+0x84/0x140 system_call_exception+0x124/0x230 system_call_vectored_common+0x15c/0x2ec [bhelgaas: tidy comments]
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
Linux kernel 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。 Linux kernel存在安全漏洞，该漏洞源于pnv_php未清理IRQ资源可能导致内核崩溃。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
LinuxLinux 360aebd85a4c946764f6301d68de2a817fad5159 ~ 8c1ad4af160691e157d688ad9619ced2df556aac -
LinuxLinux 4.9 -

II. Public POCs for CVE-2025-38624

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III. Intelligence Information for CVE-2025-38624

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Same Patch Batch · Linux · 2025-08-22 · 60 CVEs total

CVE-2025-38635clk: davinci: Add NULL check in davinci_lpsc_clk_register()
CVE-2025-38616tls: handle data disappearing from under the TLS ULP
CVE-2025-38620zloop: fix KASAN use-after-free of tag set
CVE-2025-38619media: ti: j721e-csi2rx: fix list_del corruption
CVE-2025-38621md: make rdev_addable usable for rcu mode
CVE-2025-38618vsock: Do not allow binding to VMADDR_PORT_ANY
CVE-2025-38632pinmux: fix race causing mux_owner NULL with active mux_usecount
CVE-2025-38631clk: imx95-blk-ctl: Fix synchronous abort
CVE-2025-38633clk: spacemit: mark K1 pll1_d8 as critical
CVE-2025-38634power: supply: cpcap-charger: Fix null check for power_supply_get_by_name
CVE-2025-38630fbdev: imxfb: Check fb_add_videomode to prevent null-ptr-deref
CVE-2025-38636rv: Use strings in da monitors tracepoints
CVE-2025-38638ipv6: add a retry logic in net6_rt_notify()
CVE-2025-38639netfilter: xt_nfacct: don't assume acct name is null-terminated
CVE-2025-38640bpf: Disable migration in nf_hook_run_bpf().
CVE-2025-38641Bluetooth: btusb: Fix potential NULL dereference on kmalloc failure
CVE-2025-38642wifi: mac80211: fix WARN_ON for monitor mode on some devices
CVE-2025-38643wifi: cfg80211: Add missing lock in cfg80211_check_and_end_cac()
CVE-2025-38644wifi: mac80211: reject TDLS operations when station is not associated
CVE-2025-38645net/mlx5: Check device memory pointer before usage

Showing top 20 of 60 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2025-38624

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