Race Condition Affecting perf package, versions <0:2.6.32-696.el6
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published10 Apr 2022
- disclosed27 Apr 2016
Introduced: 27 Apr 2016
CVE-2016-2069 (opens in a new tab)How to fix?
Upgrade Oracle:6 perf to version 0:2.6.32-696.el6 or higher.
This issue was patched in ELSA-2017-0817.
NVD Description
Note: Versions mentioned in the description apply only to the upstream perf package and not the perf package as distributed by Oracle.
See How to fix? for Oracle:6 relevant fixed versions and status.
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.
References
- https://linux.oracle.com/cve/CVE-2016-2069.html
- https://linux.oracle.com/errata/ELSA-2016-2574.html
- https://linux.oracle.com/errata/ELSA-2016-3596.html
- https://linux.oracle.com/errata/ELSA-2017-0817.html
- 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
- http://www.oracle.com/technetwork/topics/security/ovmbulletinoct2016-3090547.html
- http://www.securityfocus.com/bid/81809
- http://www.ubuntu.com/usn/USN-2931-1
- http://www.ubuntu.com/usn/USN-2932-1
- http://www.ubuntu.com/usn/USN-2967-1
- http://www.ubuntu.com/usn/USN-2967-2
- http://www.ubuntu.com/usn/USN-2989-1
- http://www.ubuntu.com/usn/USN-2998-1
- https://bugzilla.redhat.com/show_bug.cgi?id=1301893
- https://github.com/torvalds/linux/commit/71b3c126e61177eb693423f2e18a1914205b165e