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CVE-2025-23140— misc: pci_endpoint_test: Avoid issue of interrupts remaining after request_irq error

AI Predicted 5.5 Difficulty: Trivial EPSS 0.21% · P11

Possible ATT&CK Techniques 1AI

T1562

Affected Version Matrix 18

VendorProductVersion RangeStatus
LinuxLinuxe03327122e2c8e6ae4565ef5b3d3cbe4364546a1< 705be96504779e4a333ea042b4779ea941f0ace9affected
e03327122e2c8e6ae4565ef5b3d3cbe4364546a1< e516e187bf32d8decc7c7d0025ae4857cad13c0eaffected
e03327122e2c8e6ae4565ef5b3d3cbe4364546a1< 54c9f299ad7d7c4be5d271ed12d01a59e95b8907affected
e03327122e2c8e6ae4565ef5b3d3cbe4364546a1< 9d5118b107b1a2353ed0dff24404aee2e6b7ca0aaffected
e03327122e2c8e6ae4565ef5b3d3cbe4364546a1< 5a4b7181213268c9b07bef8800905528435db44aaffected
e03327122e2c8e6ae4565ef5b3d3cbe4364546a1< 0557e70e2aeba8647bf5a950820b67cfb86533dbaffected
e03327122e2c8e6ae4565ef5b3d3cbe4364546a1< 770407f6173f4f39f4e2c1b54422b79ce6c98bdbaffected
e03327122e2c8e6ae4565ef5b3d3cbe4364546a1< f6cb7828c8e17520d4f5afb416515d3fae1af9a9affected
… +10 more rows
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I. Basic Information for CVE-2025-23140

Vulnerability Information
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Vulnerability Title
misc: pci_endpoint_test: Avoid issue of interrupts remaining after request_irq error
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: misc: pci_endpoint_test: Avoid issue of interrupts remaining after request_irq error After devm_request_irq() fails with error in pci_endpoint_test_request_irq(), the pci_endpoint_test_free_irq_vectors() is called assuming that all IRQs have been released. However, some requested IRQs remain unreleased, so there are still /proc/irq/* entries remaining, and this results in WARN() with the following message: remove_proc_entry: removing non-empty directory 'irq/30', leaking at least 'pci-endpoint-test.0' WARNING: CPU: 0 PID: 202 at fs/proc/generic.c:719 remove_proc_entry +0x190/0x19c To solve this issue, set the number of remaining IRQs to test->num_irqs, and release IRQs in advance by calling pci_endpoint_test_release_irq(). [kwilczynski: commit log]
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
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pci_endpoint_test在request_irq错误后未正确处理中断，可能导致内存泄露。
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 e03327122e2c8e6ae4565ef5b3d3cbe4364546a1 ~ 705be96504779e4a333ea042b4779ea941f0ace9 -
LinuxLinux 4.19 -

II. Public POCs for CVE-2025-23140

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III. Intelligence Information for CVE-2025-23140

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Patches & Fixes for CVE-2025-23140 (8)

Same Patch Batch · Linux · 2025-05-01 · 245 CVEs total

CVE-2025-377509.8 CRITICALsmb: client: fix UAF in decryption with multichannel
CVE-2025-377789.8 CRITICALksmbd: Fix dangling pointer in krb_authenticate
CVE-2022-497709.8 CRITICALceph: avoid putting the realm twice when decoding snaps fails
CVE-2022-499318.8 HIGHIB/hfi1: Correctly move list in sc_disable()
CVE-2025-377768.8 HIGHksmbd: fix use-after-free in smb_break_all_levII_oplock()
CVE-2025-377778.8 HIGHksmbd: fix use-after-free in __smb2_lease_break_noti()
CVE-2022-499108.8 HIGHBluetooth: L2CAP: Fix use-after-free caused by l2cap_reassemble_sdu
CVE-2025-377908.8 HIGHnet: mctp: Set SOCK_RCU_FREE
CVE-2025-231598.4 HIGHmedia: venus: hfi: add a check to handle OOB in sfr region
CVE-2022-498868.4 HIGHx86/tdx: Panic on bad configs that #VE on "private" memory access
CVE-2025-377498.2 HIGHnet: ppp: Add bound checking for skb data on ppp_sync_txmung
CVE-2025-377747.8 HIGHslab: ensure slab->obj_exts is clear in a newly allocated slab page
CVE-2025-377897.8 HIGHnet: openvswitch: fix nested key length validation in the set() action
CVE-2022-498997.8 HIGHfscrypt: stop using keyrings subsystem for fscrypt_master_key
CVE-2025-377797.8 HIGHlib/iov_iter: fix to increase non slab folio refcount
CVE-2022-499057.8 HIGHnet/smc: Fix possible leaked pernet namespace in smc_init()
CVE-2022-499207.8 HIGHnetfilter: nf_tables: netlink notifier might race to release objects
CVE-2022-499197.8 HIGHnetfilter: nf_tables: release flow rule object from commit path
CVE-2025-377617.8 HIGHdrm/xe: Fix an out-of-bounds shift when invalidating TLB
CVE-2025-377567.8 HIGHnet: tls: explicitly disallow disconnect

Showing top 20 of 245 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2025-23140

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