Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1336 CNY

100%
Buy Us a Coffee

CVE-2025-21769— ptp: vmclock: Add .owner to vmclock_miscdev_fops

AI Predicted 5.5 Difficulty: Easy EPSS 0.18% · P8

Possible ATT&CK Techniques 1AI

T1211 · Exploitation for Stealth

Affected Version Matrix 6

VendorProductVersion RangeStatus
LinuxLinux20503272422693d793b84f88bf23fe4e955d3a33< 3b5709225b43ee33e1026dd1fc0949a7f19b5289affected
20503272422693d793b84f88bf23fe4e955d3a33< 7b07b040257c1b658ef3eca86e4b6ae02d65069caffected
6.13affected
< 6.13unaffected
6.13.4≤ 6.13.*unaffected
6.14≤ *unaffected
Get alerts for future matching vulnerabilitiesLog in to subscribe

I. Basic Information for CVE-2025-21769

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
ptp: vmclock: Add .owner to vmclock_miscdev_fops
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: ptp: vmclock: Add .owner to vmclock_miscdev_fops Without the .owner field, the module can be unloaded while /dev/vmclock0 is open, leading to an oops.
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vmclock_miscdev_fops未设置.owner字段，可能导致模块卸载时崩溃。
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 20503272422693d793b84f88bf23fe4e955d3a33 ~ 3b5709225b43ee33e1026dd1fc0949a7f19b5289 -
LinuxLinux 6.13 -

II. Public POCs for CVE-2025-21769

#POC DescriptionSource LinkShenlong Link
AI-Generated POCPremium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2025-21769

请登录查看更多情报信息。

Patches & Fixes for CVE-2025-21769 (2)

Same Patch Batch · Linux · 2025-02-27 · 177 CVEs total

CVE-2025-218059.8 CRITICALRDMA/rtrs: Add missing deinit() call
CVE-2025-217969.8 CRITICALnfsd: clear acl_access/acl_default after releasing them
CVE-2025-217079.8 CRITICALmptcp: consolidate suboption status
CVE-2025-217489.8 CRITICALksmbd: fix integer overflows on 32 bit systems
CVE-2024-580069.6 CRITICALPCI: dwc: ep: Prevent changing BAR size/flags in pci_epc_set_bar()
CVE-2024-579998.8 HIGHpowerpc/pseries/iommu: IOMMU incorrectly marks MMIO range in DDW
CVE-2025-217358.8 HIGHNFC: nci: Add bounds checking in nci_hci_create_pipe()
CVE-2024-579978.8 HIGHwifi: wcn36xx: fix channel survey memory allocation size
CVE-2024-579958.8 HIGHwifi: ath12k: fix read pointer after free in ath12k_mac_assign_vif_to_vdev()
CVE-2025-217108.2 HIGHtcp: correct handling of extreme memory squeeze
CVE-2025-217668.1 HIGHipv4: use RCU protection in __ip_rt_update_pmtu()
CVE-2024-579738.1 HIGHrdma/cxgb4: Prevent potential integer overflow on 32bit
CVE-2025-217628.1 HIGHarp: use RCU protection in arp_xmit()
CVE-2025-217658.1 HIGHipv6: use RCU protection in ip6_default_advmss()
CVE-2025-217608.1 HIGHndisc: extend RCU protection in ndisc_send_skb()
CVE-2024-580137.8 HIGHBluetooth: MGMT: Fix slab-use-after-free Read in mgmt_remove_adv_monitor_sync
CVE-2025-217637.8 HIGHneighbour: use RCU protection in __neigh_notify()
CVE-2024-580107.8 HIGHbinfmt_flat: Fix integer overflow bug on 32 bit systems
CVE-2025-217647.8 HIGHndisc: use RCU protection in ndisc_alloc_skb()
CVE-2025-217927.8 HIGHax25: Fix refcount leak caused by setting SO_BINDTODEVICE sockopt

Showing top 20 of 177 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2025-21769

No comments yet

Leave a comment