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CVE-2026-53049

criticalCVSS 9.8covered by 40 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 breach of data integrity.

CSIRTS triage

vendor: Canonicalproduct: Linux kernelPrivilege escalationInformation disclosure
What
Multiple kernel vulnerabilities enable privilege escalation and breach of data confidentiality and integrity.
Who is affected
Ubuntu Linux kernel users running affected versions.
Urgency
Unknown severity but privilege escalation impact is critical; apply updates promptly.
Action
Install the latest Ubuntu Linux kernel security update (August 21, 2026).

AI-assisted analysis generated from the source advisory — verify against the original.

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Exploitation outlook

Advisory coverage (40)

External references

NVD record for CVE-2026-53049

CVE.org record

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