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USN-7990-1 Not scored

linux, linux-aws, linux-aws-5.4, linux-gcp, linux-gcp-5.4, linux-hwe-5.4, linux-ibm, linux-ibm-5.4, linux-iot, linux-kvm 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; - Padata parallel execution mechanism; - Netfilter; (CVE-2022-49698, CVE-2025-21726, CVE-2025-40019)

Exploit probability Not scored
Published January 30, 2026
Required by Not available
Last source change June 3, 2026

02 / AFFECTED SOFTWARE

Affected packages

Ubuntu:Pro:18.04:LTS linux-aws-5.4

102 explicit affected versions

Ubuntu:Pro:18.04:LTS linux-gcp-5.4

104 explicit affected versions

Ubuntu:Pro:18.04:LTS linux-hwe-5.4

114 explicit affected versions

Ubuntu:Pro:18.04:LTS linux-ibm-5.4

72 explicit affected versions

Ubuntu:Pro:20.04:LTS linux

125 explicit affected versions

Ubuntu:Pro:20.04:LTS linux-aws

116 explicit affected versions

Ubuntu:Pro:20.04:LTS linux-gcp

117 explicit affected versions

Ubuntu:Pro:20.04:LTS linux-ibm

82 explicit affected versions

Ubuntu:Pro:20.04:LTS linux-iot

46 explicit affected versions

Ubuntu:Pro:20.04:LTS linux-kvm

112 explicit affected versions

03 / CONNECTIONS

Connected vulnerabilities

04 / EVIDENCE

Source records

Open Source Vulnerabilities USN-7990-1

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; - Padata parallel execution mechanism; - Netfilter; (CVE-2022-49698, CVE-2025-21726, CVE-2025-40019)

View original source

05 / REFERENCES

Further evidence