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CVE-2025-68340

20
FAUCET Score

CVE-2025-68340 is a Linux kernel vulnerability affecting the 'team' network device driver. It allows a local attacker to cause a denial of service (system hang/BUG) by manipulating network device states, specifically when adding an already-up GRE device as a port to a team device. Rated Medium severity (CVSS 5.5), the vulnerability has a low attack complexity and requires local privileges, leading to high availability impact. There is no evidence of active exploitation, public exploit code, or significant community discussion, and it is not listed in CISA's KEV catalog.

Impacted Technologies

VendorProductVersion(s)CPE
>= 3.7, < 5.15.199CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 5.16, < 6.1.162CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 6.2, < 6.6.123CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 6.7, < 6.12.61CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
>= 6.13, < 6.17.11CPE 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
2.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
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

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 (75)

microsoftpatch availablevia msrc
Product: cbl2 kernel 5.15.186.1-1 on CBL Mariner 2.0Fixed in: 5.15.200.1-1
microsoftpatch availablevia msrc
Product: 17087-17086Fixed in: 5.15.200.1-1
ubuntupatch availablevia ubuntu_usn
Product: linux-raspi (jammy)Fixed in: 5.15.0-1099.102
ubuntupatch availablevia ubuntu_usn
Product: linux-xilinx-zynqmp (jammy)Fixed in: 5.15.0-1070.74
ubuntupatch availablevia ubuntu_usn
Product: linux-aws-fips (noble)Fixed in: 6.8.0-1050.53+fips1
ubuntupatch availablevia ubuntu_usn
Product: linux-fips (noble)Fixed in: 6.8.0-106.106+fips1
ubuntupatch availablevia ubuntu_usn
Product: linux-gcp-fips (noble)Fixed in: 6.8.0-1052.55+fips1
ubuntupatch availablevia ubuntu_usn
Product: linux-nvidia-6.8 (jammy)Fixed in: 6.8.0-1049.52~22.04.1
ubuntupatch availablevia ubuntu_usn
Product: linux-nvidia (noble)Fixed in: 6.8.0-1049.52
ubuntupatch availablevia ubuntu_usn
Product: linux-nvidia-lowlatency (noble)Fixed in: 6.8.0-1049.52.1
ubuntupatch availablevia ubuntu_usn
Product: linux-gcp-6.8 (jammy)Fixed in: 6.8.0-1052.55~22.04.1
ubuntupatch availablevia ubuntu_usn
Product: linux-hwe-6.8 (jammy)Fixed in: 6.8.0-106.106~22.04.1
ubuntupatch availablevia ubuntu_usn
Product: linux-ibm-6.8 (jammy)Fixed in: 6.8.0-1049.49~22.04.1
ubuntupatch availablevia ubuntu_usn
Product: linux-lowlatency-hwe-6.8 (jammy)Fixed in: 6.8.0-106.106.1~22.04.1
ubuntupatch availablevia ubuntu_usn
Product: linux-oracle-6.8 (jammy)Fixed in: 6.8.0-1047.48~22.04.1
ubuntupatch availablevia ubuntu_usn
Product: linux (noble)Fixed in: 6.8.0-106.106
ubuntupatch availablevia ubuntu_usn
Product: linux-aws (noble)Fixed in: 6.8.0-1050.53
ubuntupatch availablevia ubuntu_usn
Product: linux-gcp (noble)Fixed in: 6.8.0-1052.55
ubuntupatch availablevia ubuntu_usn
Product: linux-gke (noble)Fixed in: 6.8.0-1048.53
ubuntupatch availablevia ubuntu_usn
Product: linux-gkeop (noble)Fixed in: 6.8.0-1035.38
ubuntupatch availablevia ubuntu_usn
Product: linux-ibm (noble)Fixed in: 6.8.0-1049.49
ubuntupatch availablevia ubuntu_usn
Product: linux-lowlatency (noble)Fixed in: 6.8.0-106.106.1
ubuntupatch availablevia ubuntu_usn
Product: linux-oracle (noble)Fixed in: 6.8.0-1047.48
ubuntupatch availablevia ubuntu_usn
Product: linux-aws-6.17 (noble)Fixed in: 6.17.0-1009.9~24.04.2
ubuntupatch availablevia ubuntu_usn
Product: linux-hwe-6.17 (noble)Fixed in: 6.17.0-19.19~24.04.2
ubuntupatch availablevia ubuntu_usn
Product: linux-oracle-6.17 (noble)Fixed in: 6.17.0-1009.9~24.04.1
ubuntupatch availablevia ubuntu_usn
Product: linux (questing)Fixed in: 6.17.0-19.19
ubuntupatch availablevia ubuntu_usn
Product: linux-aws (questing)Fixed in: 6.17.0-1009.9
ubuntupatch availablevia ubuntu_usn
Product: linux-gcp (questing)Fixed in: 6.17.0-1009.9
ubuntupatch availablevia ubuntu_usn
Product: linux-oracle (questing)Fixed in: 6.17.0-1009.9
ubuntupatch availablevia ubuntu_usn
Product: linux-gcp-6.17 (noble)Fixed in: 6.17.0-1009.9~24.04.3
ubuntupatch availablevia ubuntu_usn
Product: linux-realtime (questing)Fixed in: 6.17.0-1008.9
ubuntupatch availablevia ubuntu_usn
Product: linux-realtime-6.8 (jammy)Fixed in: 6.8.1-1045.46~22.04.1
ubuntupatch availablevia ubuntu_usn
Product: linux-realtime (noble)Fixed in: 6.8.1-1045.46
ubuntupatch availablevia ubuntu_usn
Product: linux-realtime-6.17 (noble)Fixed in: 6.17.0-1008.9~24.04.1
ubuntupatch availablevia ubuntu_usn
Product: linux-aws-6.8 (jammy)Fixed in: 6.8.0-1050.53~22.04.1
ubuntupatch availablevia ubuntu_usn
Product: linux-azure-6.8 (jammy)Fixed in: 6.8.0-1051.57~22.04.1
ubuntupatch availablevia ubuntu_usn
Product: linux-azure (noble)Fixed in: 6.8.0-1051.57
ubuntupatch availablevia ubuntu_usn
Product: linux-azure-6.17 (noble)Fixed in: 6.17.0-1010.10~24.04.1
ubuntupatch availablevia ubuntu_usn
Product: linux-azure (questing)Fixed in: 6.17.0-1010.10
ubuntupatch availablevia ubuntu_usn
Product: linux-azure-5.15 (focal)Fixed in: 5.15.0-1110.119~20.04.1
ubuntupatch availablevia ubuntu_usn
Product: linux-xilinx (noble)Fixed in: 6.8.0-1029.30
ubuntupatch availablevia ubuntu_usn
Product: linux-raspi (noble)Fixed in: 6.8.0-1050.54
ubuntupatch availablevia ubuntu_usn
Product: linux-raspi-realtime (noble)Fixed in: 6.8.0-2040.41
ubuntupatch availablevia ubuntu_usn
Product: linux-raspi (questing)Fixed in: 6.17.0-1010.10
ubuntupatch availablevia ubuntu_usn
Product: linux-oem-6.17 (noble)Fixed in: 6.17.0-1017.17
ubuntupatch availablevia ubuntu_usn
Product: linux-azure-fips (noble)Fixed in: 6.8.0-1052.58+fips1
ubuntupatch availablevia ubuntu_usn
Product: linux-nvidia-tegra-5.15 (focal)Fixed in: 5.15.0-1057.57~20.04.1
ubuntupatch availablevia ubuntu_usn
Product: linux-realtime (jammy)Fixed in: 5.15.0-1104.113
ubuntupatch availablevia ubuntu_usn
Product: linux-ibm (jammy)Fixed in: 5.15.0-1099.102
ubuntupatch availablevia ubuntu_usn
Product: linux-intel-iotg (jammy)Fixed in: 5.15.0-1100.106
ubuntupatch availablevia ubuntu_usn
Product: linux-kvm (jammy)Fixed in: 5.15.0-1097.102
ubuntupatch availablevia ubuntu_usn
Product: linux-aws-5.15 (focal)Fixed in: 5.15.0-1105.112~20.04.1
ubuntupatch availablevia ubuntu_usn
Product: linux-lowlatency-hwe-5.15 (focal)Fixed in: 5.15.0-175.185~20.04.1
ubuntupatch availablevia ubuntu_usn
Product: linux (jammy)Fixed in: 5.15.0-176.186
ubuntupatch availablevia ubuntu_usn
Product: linux-aws (jammy)Fixed in: 5.15.0-1105.112
ubuntupatch availablevia ubuntu_usn
Product: linux-gcp (jammy)Fixed in: 5.15.0-1105.114
ubuntupatch availablevia ubuntu_usn
Product: linux-gke (jammy)Fixed in: 5.15.0-1101.107
ubuntupatch availablevia ubuntu_usn
Product: linux-gkeop (jammy)Fixed in: 5.15.0-1088.96
ubuntupatch availablevia ubuntu_usn
Product: linux-lowlatency (jammy)Fixed in: 5.15.0-175.185
ubuntupatch availablevia ubuntu_usn
Product: linux-nvidia (jammy)Fixed in: 5.15.0-1100.101
ubuntupatch availablevia ubuntu_usn
Product: linux-oracle (jammy)Fixed in: 5.15.0-1102.108
ubuntupatch availablevia ubuntu_usn
Product: linux-hwe-5.15 (focal)Fixed in: 5.15.0-176.186~20.04.1
ubuntupatch availablevia ubuntu_usn
Product: linux-nvidia-tegra (jammy)Fixed in: 5.15.0-1057.57
ubuntupatch availablevia ubuntu_usn
Product: linux-nvidia-tegra-igx (jammy)Fixed in: 5.15.0-1046.46
ubuntupatch availablevia ubuntu_usn
Product: linux-intel-iot-realtime (jammy)Fixed in: 5.15.0-1097.99
ubuntupatch availablevia ubuntu_usn
Product: linux-ibm-5.15 (focal)Fixed in: 5.15.0-1099.102~20.04.1
ubuntupatch availablevia ubuntu_usn
Product: linux-fips (jammy)Fixed in: 5.15.0-176.186+fips1
ubuntupatch availablevia ubuntu_usn
Product: linux-gcp-fips (jammy)Fixed in: 5.15.0-1105.114+fips1
ubuntupatch availablevia ubuntu_usn
Product: linux-azure-fips (jammy)Fixed in: 5.15.0-1110.119+fips1
ubuntupatch availablevia ubuntu_usn
Product: linux-intel-iotg-5.15 (focal)Fixed in: 5.15.0-1100.106~20.04.1
ubuntupatch availablevia ubuntu_usn
Product: linux-oracle-5.15 (focal)Fixed in: 5.15.0-1102.108~20.04.1
ubuntupatch availablevia ubuntu_usn
Product: linux-azure (jammy)Fixed in: 5.15.0-1110.119
redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: kernel-rt
redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: kernel

Vendor Advisories (30)

ubuntuUSN-8275-1

Linux kernel (Xilinx ZynqMP) vulnerabilities

May 19, 2026
ubuntuUSN-8180-6

Linux kernel (Raspberry Pi) vulnerabilities

May 11, 2026
ubuntuUSN-8261-1

Linux kernel (Xilinx) vulnerabilities

May 7, 2026
ubuntuUSN-8243-1

Linux kernel (Azure) vulnerabilities

May 7, 2026
ubuntuUSN-8180-5

Linux kernel (IBM) vulnerabilities

Apr 24, 2026
ubuntuUSN-8180-4

Linux kernel (Azure FIPS) vulnerabilities

Apr 23, 2026
ubuntuUSN-8180-3

Linux kernel vulnerabilities

Apr 23, 2026
ubuntuUSN-8188-1

Linux kernel (HWE) vulnerabilities

Apr 17, 2026
ubuntuUSN-8187-1

Linux kernel (NVIDIA) vulnerabilities

Apr 17, 2026
ubuntuUSN-8186-1

Linux kernel (Real-time) vulnerabilities

Apr 17, 2026
ubuntuUSN-8180-2

Linux kernel (FIPS) vulnerabilities

Apr 17, 2026
ubuntuUSN-8180-1

Linux kernel vulnerabilities

Apr 16, 2026
ubuntuUSN-8165-1

Linux kernel (Azure FIPS) vulnerabilities

Apr 9, 2026
ubuntuUSN-8162-1

Linux kernel (NVIDIA Tegra) vulnerabilities

Apr 9, 2026
ubuntuUSN-8152-1

Linux kernel (OEM) vulnerabilities

Apr 6, 2026
ubuntuUSN-8095-5

Linux kernel (Raspberry Pi) vulnerabilities

Apr 1, 2026
ubuntuUSN-8094-5

Linux kernel (Raspberry Pi) vulnerabilities

Apr 1, 2026
ubuntuUSN-8126-1

Linux kernel (Azure) vulnerabilities

Mar 25, 2026
ubuntuUSN-8125-1

Linux kernel (Azure) vulnerabilities

Mar 25, 2026
ubuntuUSN-8094-4

Linux kernel (Azure) vulnerabilities

Mar 25, 2026
ubuntuUSN-8094-3

Linux kernel (Real-time) vulnerabilities

Mar 23, 2026
ubuntuUSN-8095-4

Linux kernel (AWS) vulnerabilities

Mar 23, 2026
ubuntuUSN-8094-2

Linux kernel vulnerabilities

Mar 17, 2026
ubuntuUSN-8095-3

Linux kernel (Real-time) vulnerabilities

Mar 17, 2026
ubuntuUSN-8095-2

Linux kernel (FIPS) vulnerabilities

Mar 16, 2026
ubuntuUSN-8100-1

Linux kernel (NVIDIA) vulnerabilities

Mar 16, 2026
ubuntuUSN-8095-1

Linux kernel vulnerabilities

Mar 16, 2026
ubuntuUSN-8094-1

Linux kernel vulnerabilities

Mar 16, 2026
redhatCVE-2025-68340Moderate

kernel: team: Move team device type change at the end of team_port_add

Dec 23, 2025
microsoft2025-Dec/CVE-2025-68340Moderate

team: Move team device type change at the end of team_port_add

Dec 9, 2025

References

git.kernel.org / stable/c/0ae9cfc454ea5ead5f3ddbdfe2e70270d8e2c8ef
Patch
git.kernel.org / stable/c/4040b5e8963982a00aa821300cb746efc9f2947e
Patch
git.kernel.org / stable/c/a74ab1b532ecc5f9106621a8f75b4c3d04466b35
Patch
git.kernel.org / stable/c/c8b15b0d2eec3b5c7f585e5a53dfc8d36c818283
Patch
git.kernel.org / stable/c/e26235840fd961e4ebe5568f11a2a078cf726663
Patch
git.kernel.org / stable/c/e3eed4f038214494af62c7d2d64749e5108ce6ca
Patch
git.kernel.org / stable/c/f82d1fb65549de241fe312fcb2bcb8e0ad7b424d