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CVE-2026-23312

21
FAUCET Score

CVE-2026-23312 addresses a vulnerability in the Linux kernel's `kaweth` USB network driver, where it fails to validate USB device endpoints before binding. This flaw allows a malicious USB device to cause the driver to crash by blindly accessing non-existent or incorrect endpoints, leading to a denial of service. The attack requires a specially crafted USB device, and its overall severity is considered low, reflected in its minimal CVSS and EPSS scores. There is currently no evidence of active exploitation, public exploit code, or significant community attention for this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
>= 2.6.12.1, < 5.10.253CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 5.11, < 5.15.203CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 5.16, < 6.1.167CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 6.2, < 6.6.130CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 6.7, < 6.12.77CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.5MEDIUM

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.12%
Probability of exploitation in next 30 days
EPSS Percentile
2.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0012 is in the 16th percentile among its peer group of 15,940 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (39)

microsoftpatch availablevia msrc
Product: 20956-17084Fixed in: 6.6.130.1-1
microsoftpatch availablevia msrc
Product: azl3 kernel 6.6.126.1-1 on Azure Linux 3.0Fixed in: 6.6.130.1-1
ubuntupatch availablevia ubuntu_usn
Product: linux (noble)Fixed in: 6.8.0-136.136
ubuntupatch availablevia ubuntu_usn
Product: linux-gcp (noble)Fixed in: 6.8.0-1064.72
ubuntupatch availablevia ubuntu_usn
Product: linux-gke (noble)Fixed in: 6.8.0-1059.67
ubuntupatch availablevia ubuntu_usn
Product: linux-gkeop (noble)Fixed in: 6.8.0-1046.50
ubuntupatch availablevia ubuntu_usn
Product: linux-realtime (noble)Fixed in: 6.8.1-1056.57
ubuntupatch availablevia ubuntu_usn
Product: linux-nvidia-tegra-5.15 (focal)Fixed in: 5.15.0-1064.66~20.04.1
ubuntupatch availablevia ubuntu_usn
Product: linux-hwe-5.15 (focal)Fixed in: 5.15.0-186.196~20.04.1
ubuntupatch availablevia ubuntu_usn
Product: linux-lowlatency-hwe-5.15 (focal)Fixed in: 5.15.0-184.194~20.04.1
ubuntupatch availablevia ubuntu_usn
Product: linux (jammy)Fixed in: 5.15.0-186.196
ubuntupatch availablevia ubuntu_usn
Product: linux-gcp (jammy)Fixed in: 5.15.0-1112.122
ubuntupatch availablevia ubuntu_usn
Product: linux-gcp-fips (jammy)Fixed in: 5.15.0-1112.122+fips1
ubuntupatch availablevia ubuntu_usn
Product: linux-gke (jammy)Fixed in: 5.15.0-1108.114
ubuntupatch availablevia ubuntu_usn
Product: linux-gkeop (jammy)Fixed in: 5.15.0-1095.103
ubuntupatch availablevia ubuntu_usn
Product: linux-kvm (jammy)Fixed in: 5.15.0-1104.109
ubuntupatch availablevia ubuntu_usn
Product: linux-lowlatency (jammy)Fixed in: 5.15.0-184.194
ubuntupatch availablevia ubuntu_usn
Product: linux-realtime (jammy)Fixed in: 5.15.0-1111.120
ubuntupatch availablevia ubuntu_usn
Product: linux-xilinx-zynqmp (jammy)Fixed in: 5.15.0-1075.79
ubuntupatch availablevia ubuntu_usn
Product: linux-gcp-6.8 (jammy)Fixed in: 6.8.0-1064.72~22.04.1
ubuntupatch availablevia ubuntu_usn
Product: linux-nvidia-6.8 (jammy)Fixed in: 6.8.0-1059.62~22.04.1
ubuntupatch availablevia ubuntu_usn
Product: linux-nvidia (noble)Fixed in: 6.8.0-1059.62
ubuntupatch availablevia ubuntu_usn
Product: linux-nvidia-lowlatency (noble)Fixed in: 6.8.0-1059.62.1
ubuntupatch availablevia ubuntu_usn
Product: linux-oracle-6.8 (jammy)Fixed in: 6.8.0-1058.61~22.04.1
ubuntupatch availablevia ubuntu_usn
Product: linux-lowlatency-hwe-6.8 (jammy)Fixed in: 6.8.0-136.136.2~22.04.1
ubuntupatch availablevia ubuntu_usn
Product: linux-fips (noble)Fixed in: 6.8.0-136.136+fips2
ubuntupatch availablevia ubuntu_usn
Product: linux-lowlatency (noble)Fixed in: 6.8.0-136.136.2
ubuntupatch availablevia ubuntu_usn
Product: linux-oracle (noble)Fixed in: 6.8.0-1058.61
ubuntupatch availablevia ubuntu_usn
Product: linux-azure-fde (jammy)Fixed in: 5.15.0-1117.126
ubuntupatch availablevia ubuntu_usn
Product: linux-azure (jammy)Fixed in: 5.15.0-1117.126
ubuntupatch availablevia ubuntu_usn
Product: linux-oracle (jammy)Fixed in: 5.15.0-1109.115
ubuntupatch availablevia ubuntu_usn
Product: linux-azure-fde-6.8 (jammy)Fixed in: 6.8.0-1062.69~22.04.1
ubuntupatch availablevia ubuntu_usn
Product: linux-azure-fips (noble)Fixed in: 6.8.0-1063.71+fips2
ubuntupatch availablevia ubuntu_usn
Product: linux-azure-fde (noble)Fixed in: 6.8.0-1062.69
ubuntupatch availablevia ubuntu_usn
Product: linux-azure-6.8 (jammy)Fixed in: 6.8.0-1063.71~22.04.1
ubuntupatch availablevia ubuntu_usn
Product: linux-azure (noble)Fixed in: 6.8.0-1063.71
ubuntupatch availablevia ubuntu_usn
Product: linux-aws (noble)Fixed in: 6.8.0-1061.64
ubuntupatch availablevia ubuntu_usn
Product: linux-gcp-fips (noble)Fixed in: 6.8.0-1064.72+fips1
ubuntupatch availablevia ubuntu_usn
Product: linux-realtime-6.8 (jammy)Fixed in: 6.8.1-1056.57~22.04.2

Vendor Advisories (15)

ubuntuUSN-8610-1

Linux kernel (Azure CVM) vulnerabilities

Jul 24, 2026
ubuntuUSN-8575-3

Linux kernel vulnerabilities

Jul 24, 2026
ubuntuUSN-8609-1

Linux kernel (Azure CVM) vulnerabilities

Jul 24, 2026
ubuntuUSN-8608-1

Linux kernel (Azure FIPS) vulnerabilities

Jul 24, 2026
ubuntuUSN-8607-1

Linux kernel (Azure CVM) vulnerabilities

Jul 24, 2026
ubuntuUSN-8606-1

Linux kernel (Azure) vulnerabilities

Jul 24, 2026
ubuntuUSN-8595-2

Linux kernel (AWS) vulnerabilities

Jul 24, 2026
ubuntuUSN-8596-1

Linux kernel (NVIDIA) vulnerabilities

Jul 23, 2026
ubuntuUSN-8595-1

Linux kernel (Oracle) vulnerabilities

Jul 23, 2026
ubuntuUSN-8574-2

Linux kernel vulnerabilities

Jul 23, 2026
ubuntuUSN-8576-1

Linux kernel (NVIDIA Tegra) vulnerabilities

Jul 21, 2026
ubuntuUSN-8575-1

Linux kernel vulnerabilities

Jul 21, 2026
ubuntuUSN-8574-1

Linux kernel (GCP FIPS) vulnerabilities

Jul 21, 2026
ubuntuUSN-8567-1

Linux kernel vulnerabilities

Jul 20, 2026
microsoft2026-Mar/CVE-2026-23312Moderate

net: usb: kaweth: validate USB endpoints

Mar 10, 2026

References

git.kernel.org / stable/c/0aae18e4638a7c1c579df92bc6edc36cedfaaa8c
Patch
git.kernel.org / stable/c/2795fc06e7652c0ba299d936c584d5e08b6b57a1
Patch
git.kernel.org / stable/c/3b5075e4ce97d1a1ce82ff3fb6308761987a48bb
Patch
git.kernel.org / stable/c/4b063c002ca759d1b299988ee23f564c9609c875
Patch
git.kernel.org / stable/c/6c986abd2a5033633c6e6f9dd135cf96b19c7fdf
Patch
git.kernel.org / stable/c/72f90f481c6a059680b9b976695d4cfb04fba1f3
Patch
git.kernel.org / stable/c/7c7ebf5e45d2504d92ea294ac3828d58586491df
Patch
git.kernel.org / stable/c/f33e80d195a003b384620ee240f69092b519146b
Patch