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USN-8013-1 Not scored

linux, linux-aws, linux-azure, linux-azure-5.15, linux-gcp, linux-gke, linux-gkeop, linux-hwe-5.15, linux-ibm, linux-ibm-5.15, linux-intel-iotg, linux-intel-iotg-5.15, linux-kvm, linux-lowlatency, linux-lowlatency-hwe-5.15, linux-nvidia, linux-nvidia-tegra, linux-nvidia-tegra-5.15, linux-oracle, linux-raspi vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - Cryptographic API; - SMB network file system; (CVE-2025-38561, CVE-2025-40019)

Exploit probability Not scored
Published February 4, 2026
Required by Not available
Last source change July 31, 2026

02 / AFFECTED SOFTWARE

Affected packages

Ubuntu:22.04:LTS linux

87 explicit affected versions

Ubuntu:22.04:LTS linux-aws

79 explicit affected versions

Ubuntu:22.04:LTS linux-azure

78 explicit affected versions

Ubuntu:22.04:LTS linux-gcp

80 explicit affected versions

Ubuntu:22.04:LTS linux-gke

79 explicit affected versions

Ubuntu:22.04:LTS linux-gkeop

72 explicit affected versions

Ubuntu:22.04:LTS linux-ibm

77 explicit affected versions

Ubuntu:22.04:LTS linux-intel-iotg

67 explicit affected versions

Ubuntu:22.04:LTS linux-kvm

78 explicit affected versions

Ubuntu:22.04:LTS linux-lowlatency

84 explicit affected versions

Ubuntu:22.04:LTS linux-nvidia

64 explicit affected versions

Ubuntu:22.04:LTS linux-nvidia-tegra

37 explicit affected versions

Ubuntu:22.04:LTS linux-oracle

80 explicit affected versions

Ubuntu:22.04:LTS linux-raspi

76 explicit affected versions

Ubuntu:Pro:20.04:LTS linux-azure-5.15

65 explicit affected versions

Ubuntu:Pro:20.04:LTS linux-hwe-5.15

69 explicit affected versions

Ubuntu:Pro:20.04:LTS linux-ibm-5.15

48 explicit affected versions

Ubuntu:Pro:20.04:LTS linux-intel-iotg-5.15

56 explicit affected versions

Ubuntu:Pro:20.04:LTS linux-lowlatency-hwe-5.15

72 explicit affected versions

Ubuntu:Pro:20.04:LTS linux-nvidia-tegra-5.15

27 explicit affected versions

03 / CONNECTIONS

Connected vulnerabilities

04 / EVIDENCE

Source records

Open Source Vulnerabilities USN-8013-1

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - Cryptographic API; - SMB network file system; (CVE-2025-38561, CVE-2025-40019)

View original source

05 / REFERENCES

Further evidence