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CVE-2026-64166

16
FAUCET Score

In the Linux kernel, the following vulnerability has been resolved: firmware: arm_ffa: Check for NULL FF-A ID table while driver registration The bus match callback assumes that every FF-A driver provides an id_table and dereferences it unconditionally. Enforce that contract at registration time so a buggy client driver cannot crash the bus during match.

First published: Jul 19, 2026Last modified: Jul 19, 2026

Impacted Technologies

VendorProductVersion(s)CPE
LinuxLinux
5.14CNA affecteddefault affected
LinuxLinux
>= 92743071464fca5acbbe812d9a0d88de3eaaad36, < 0a5e695095c557d2380131b613dea4e8d90371be, >= 92743071464fca5acbbe812d9a0d88de3eaaad36, < 198f6c86d508ed562f07dc00276cac6dbb5dd3bf, >= 92743071464fca5acbbe812d9a0d88de3eaaad36, < 34f59211984f66788390e7469f3e99d3796db4a8, >= 92743071464fca5acbbe812d9a0d88de3eaaad36, < 820245d86ce58898fb48b4fefc77d0cafc02801d, >= 92743071464fca5acbbe812d9a0d88de3eaaad36, < adfff93d08a2e12ecf2a1eba272d18bc749f13c0, >= 92743071464fca5acbbe812d9a0d88de3eaaad36, < bc499d1acddbb75b5b4bce05f5296dd8ef9611fd, >= 92743071464fca5acbbe812d9a0d88de3eaaad36, < f98f131256beaddd51ad468e95d90d857fef12bfCNA affecteddefault unaffected

CVSS Data

CVSS data has not been published for this CVE.

Exploit Intelligence

EPSS Score
0.17%
Probability of exploitation in next 30 days
EPSS Percentile
6.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15

Social Chatter

Media Mentions

No media coverage found for this CVE.

Remediation

Patch Available

Vendor Patches (19)

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-ibm (resolute)Fixed in: 7.0.0-1010.10
ubuntupatch availablevia ubuntu_usn
Product: linux-oracle (resolute)Fixed in: 7.0.0-1008.8
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 (resolute)Fixed in: 7.0.0-1010.10
ubuntupatch availablevia ubuntu_usn
Product: linux-azure-fde (resolute)Fixed in: 7.0.0-1009.9

Vendor Advisories (6)

ubuntuUSN-8610-1

Linux kernel (Azure CVM) vulnerabilities

Jul 24, 2026
ubuntuUSN-8575-3

Linux kernel vulnerabilities

Jul 24, 2026
ubuntuUSN-8603-1

Linux kernel (Azure) vulnerabilities

Jul 24, 2026
ubuntuUSN-8593-1

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

References

git.kernel.org / stable/c/0a5e695095c557d2380131b613dea4e8d90371be
git.kernel.org / stable/c/198f6c86d508ed562f07dc00276cac6dbb5dd3bf
git.kernel.org / stable/c/34f59211984f66788390e7469f3e99d3796db4a8
git.kernel.org / stable/c/820245d86ce58898fb48b4fefc77d0cafc02801d
git.kernel.org / stable/c/adfff93d08a2e12ecf2a1eba272d18bc749f13c0
git.kernel.org / stable/c/bc499d1acddbb75b5b4bce05f5296dd8ef9611fd
git.kernel.org / stable/c/f98f131256beaddd51ad468e95d90d857fef12bf