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

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2026-80830— usb: core: Add lock to usb_wakeup_notification()

Quick assessment

Affected
Linux Linux
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Linux kernel是美国Linux基金会开源的一个操作系统内核。 Linux kernel 5.10.269之前版本、5.15.220之前版本、6.1.187之前版本、6.6.156之前版本、6.12.108之前版本、6.18.49之前版本、7.1.13之前版本和7.2.3之前版本存在安全漏洞，该漏洞源于usb_wakeup_notification函数存在竞争条件，可能导致释放后重用。

AI Predicted 4.4 Difficulty: Hard EPSS 0.19% · P9

Possible ATT&CK Techniques 1 AI

T1562

Affected Version Matrix 20

VendorProduct Version RangeStatus
Linux Linux 4ee823b83bc9851743fab756c76b27d6a1e2472b< a7a16167991c88016acef720927400404039d850 affected
4ee823b83bc9851743fab756c76b27d6a1e2472b< 975ef630393c07fcbebf94f4d97043161b77a6ce affected
4ee823b83bc9851743fab756c76b27d6a1e2472b< 71cfda2fdf78041a01e9d94143baa79feabbdbf6 affected
4ee823b83bc9851743fab756c76b27d6a1e2472b< 04ab260407972e631c86f2bc576cd8e64d65b325 affected
4ee823b83bc9851743fab756c76b27d6a1e2472b< bf2288583b4e072bdff17a233963619e4bc7a8b5 affected
4ee823b83bc9851743fab756c76b27d6a1e2472b< d80b946804674069db7ce6657319a71cf8eeaa5a affected
4ee823b83bc9851743fab756c76b27d6a1e2472b< 960ca456faf61824b178f47967340300b24183db affected
4ee823b83bc9851743fab756c76b27d6a1e2472b< 7c48aa0c1e79116b8af4b988d16ee29b427d6491 affected
… +12 more rows
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2026-80830

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Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.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
usb: core: Add lock to usb_wakeup_notification()
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: usb: core: Add lock to usb_wakeup_notification() Add a spin lock to usb_wakeup notification to prevent a race condition with dereferencing freed memory. This could be hit by the xHCI driver as it calls this function from an IRQ and could race with the hub_disconnect() function, which properly grabs this lock to protect the state of the device.
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基金会开源的一个操作系统内核。 Linux kernel 5.10.269之前版本、5.15.220之前版本、6.1.187之前版本、6.6.156之前版本、6.12.108之前版本、6.18.49之前版本、7.1.13之前版本和7.2.3之前版本存在安全漏洞，该漏洞源于usb_wakeup_notification函数存在竞争条件，可能导致释放后重用。
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

Vendor Product Affected Versions CPE Subscribe
Linux Linux 4ee823b83bc9851743fab756c76b27d6a1e2472b ~ a7a16167991c88016acef720927400404039d850 -
Linux Linux 3.4 -

II. Public POCs for CVE-2026-80830

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2026-80830

请登录查看更多情报信息。

Patches & Fixes for CVE-2026-80830 (8)

Other References for CVE-2026-80830 (1)

Same Patch Batch · Linux · 2026-09-04 · 156 CVEs total

CVE-2026-80865 bpf: Add missing access_ok call to copy_user_syms
CVE-2026-80856 fuse: fix invalidate lock leak on setattr writeback failure
CVE-2026-80857 fuse: wait for FR_FINISHED on abort_on_kill to prevent use-after-free
CVE-2026-80858 fuse: publish io-uring queues with release semantics
CVE-2026-80859 fuse: fix missing barrier when checking io-uring readiness
CVE-2026-80860 fuse: fix race between interrupt and resend
CVE-2026-80861 usb: xhci: bail out of setup if the controller is inaccessible
CVE-2026-80862 nvme-tcp: fix usage of page_frag_cache
CVE-2026-80863 RDMA/rxe: Fix OOB in free_rd_atomic_resources()
CVE-2026-80864 RDMA/rxe: Fix responder UAF on IB_QP_MAX_DEST_RD_ATOMIC modify_qp
CVE-2026-80870 drm/amdkfd: Validate CRIU-restored IDs before idr_alloc
CVE-2026-80874 arm64: dts: renesas: ironhide: Describe inline ECC carveouts
CVE-2026-80873 KVM: arm64: nv: Write ESR_EL2 for injected nested SError exceptions
CVE-2026-80872 ALSA: hda/tas2781: Cancel async firmware request at unbind
CVE-2026-80871 crypto: xilinx-trng - Remove crypto_rng interface
CVE-2026-80868 ntfs3: Allocate iomap inline_data using alloc_page
CVE-2026-80866 tipc: avoid busy looping in tipc_exit_net()
CVE-2026-80867 alpha/PCI: Add security_locked_down() check to pci_mmap_resource()
CVE-2026-80855 fuse: fix invalidate lock leak on open O_TRUNC DAX failure
CVE-2026-80869 ntfs: bound the attribute-list entry in ntfs_read_inode_mount()

Showing top 20 of 156 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2026-80830

No comments yet

Leave a comment