CVE-2016-2069

Severity: high (CVSS 7.4 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2016-04-27 · updated 2026-06-17
Weakness: CWE-362

Description

Race condition in arch/x86/mm/tlb.c in the Linux kernel before 4.4.1 allows local users to gain privileges by triggering access to a paging structure by a different CPU.

Affected products

Canonical Ubuntu Linux: 12.04, 14.04
Linux kernel: through 4.4

References

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=71b3c126e61177eb693423f2e18a1914205b165e
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00094.html
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00015.html
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00045.html
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00038.html
http://rhn.redhat.com/errata/RHSA-2016-2574.html
http://rhn.redhat.com/errata/RHSA-2016-2584.html
http://rhn.redhat.com/errata/RHSA-2017-0817.html
http://www.debian.org/security/2016/dsa-3503
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.4.1
http://www.openwall.com/lists/oss-security/2016/01/25/1
http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html

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