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USN-5211-1 Not scored

linux, linux-aws, linux-kvm, linux-lts-xenial vulnerability

Nadav Amit discovered that the hugetlb implementation in the Linux kernel did not perform TLB flushes under certain conditions. A local attacker could use this to leak or alter data from other processes that use huge pages.

Exploit probability Not scored
Published January 6, 2022
Required by Not available
Last source change June 29, 2026

02 / AFFECTED SOFTWARE

Affected packages

Ubuntu:Pro:14.04:LTS linux

164 explicit affected versions

Ubuntu:Pro:14.04:LTS linux-aws

67 explicit affected versions

Ubuntu:Pro:14.04:LTS linux-lts-xenial

111 explicit affected versions

Ubuntu:Pro:16.04:LTS linux

134 explicit affected versions

Ubuntu:Pro:16.04:LTS linux-aws

89 explicit affected versions

Ubuntu:Pro:16.04:LTS linux-kvm

68 explicit affected versions

03 / CONNECTIONS

Connected vulnerabilities

04 / EVIDENCE

Source records

Open Source Vulnerabilities USN-5211-1

Nadav Amit discovered that the hugetlb implementation in the Linux kernel did not perform TLB flushes under certain conditions. A local attacker could use this to leak or alter data from other processes that use huge pages.

View original source

05 / REFERENCES

Further evidence