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CVE-2026-53128

highCVSS 5.5covered by 37 sourcesfirst seen 2026-06-09
Multiple vulnerabilities have been discovered in Ubuntu Linux kernel. Some of them allow an attacker to cause privilege escalation, breach of data confidentiality and an unspecified security issue by the publisher.

CSIRTS triage

vendor: Ubuntuproduct: Linux kernelPrivilege escalationInformation disclosureOther
What
Multiple kernel vulnerabilities enable privilege escalation, data confidentiality breaches, and unspecified security issues.
Who is affected
Systems running affected Ubuntu Linux kernel versions.
Urgency
High; privilege escalation and information disclosure threaten system and data security.
Action
Apply Ubuntu Linux kernel security updates as soon as available; test in non-production first.

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Exploitation outlook

Advisory coverage (37)

External references

NVD record for CVE-2026-53128

CVE.org record

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