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CVE-2026-68374

usb: core: sysfs: add lock to bos_descriptors_read()

HIGH
7.8
CVSS Score
Published: August 10, 2026 at 12:03 PM UTC
Updated: October 19, 2026 at 10:17 PM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
HIGH7.8
Exploit prediction
EPSS 0.1%
SSVC
No known exploit

Description

In the Linux kernel, the following vulnerability has been resolved: usb: core: sysfs: add lock to bos_descriptors_read() Add a lock to the function bos_descriptors_read(). This function accesses udev->bos, which could be simultaneously freed in usb_reset_and_verify_device(), a function that is commonly called in drivers all over the kernel.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Linux Kernel· Linux
90%
12fc84e8c4288cc8ed5f14a35e077130c2cfece26.9
Vendor states this is fixed in 217774e143d7b5a88739193284b6421be3978601 (fixed)
Vendor states this is fixed in 4e0197fbb0eec588795d5431716a244d9ac8fa93 (fixed)
Vendor states this is fixed in ab82adf5e63b2d89ead7933ab753b9cedbe028e9 (fixed)
Vendor states this is fixed in c07caee449c968842a350bfefa049889923b8240 (fixed)
Vendor states this is fixed in 6.12.101 (unaffected)
Vendor states this is fixed in 6.18.42 (unaffected)
Vendor states this is fixed in 6.9 (unaffected)
Vendor states this is fixed in 7.1.6 (unaffected)
Vendor states this is fixed in 7.2 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (4)

Source: cverecord
https://git.kernel.org/stable/c/c07caee449c968842a350bfefa049889923b8240
Source: cverecord
https://git.kernel.org/stable/c/217774e143d7b5a88739193284b6421be3978601
Source: cverecord
https://git.kernel.org/stable/c/ab82adf5e63b2d89ead7933ab753b9cedbe028e9
Source: cverecord
https://git.kernel.org/stable/c/4e0197fbb0eec588795d5431716a244d9ac8fa93

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.8HIGHLinux
Vector?

Quick Info

StatusRECEIVED
CWE
CWE-416

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