CVE-2016-2069
Advisory lineage Upstream: 0 Downstream: 18
Modified
Published: 27 Apr 2016, 17:00
Last modified:05 Aug 2024, 23:17
Vulnerability Summary
Overall Risk (default)
medium
30/100 CVSS Score
7.4 HIGH
v3.0 (nvd)
EPSS Score
0.06% LOW
0% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected
Timeline
27 Apr 2016, 17:00
Published
Vulnerability first disclosed
05 Aug 2024, 23:17
Last Modified
Vulnerability information updated
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.
CVSS Metrics
- v3.0•HIGH•Score: 7.4CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
- v2.0•MEDIUM•Score: 4.4AV:L/AC:M/Au:N/C:P/I:P/A:P
EPSS Trends
Current EPSS score: 0.06%• Percentile: 19%
Techniques & Countermeasures
- CWE-362•Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
The product contains a concurrent code sequence that requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence operating concurrently.
Affected Systems
- canonical•ubuntu_linux
12.04 | 14.04
- linux•linux_kernel
≤ 4.4
References (22)
- http://www.securityfocus.com/bid/81809
- http://www.ubuntu.com/usn/USN-2967-1
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.4.1
- http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html
- http://www.openwall.com/lists/oss-security/2016/01/25/1
- http://www.debian.org/security/2016/dsa-3503
- http://www.ubuntu.com/usn/USN-2967-2
- http://rhn.redhat.com/errata/RHSA-2016-2584.html
- http://rhn.redhat.com/errata/RHSA-2016-2574.html
- http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00045.html
- http://rhn.redhat.com/errata/RHSA-2017-0817.html
- http://www.ubuntu.com/usn/USN-2932-1
- http://www.ubuntu.com/usn/USN-2989-1
- http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00038.html
- https://github.com/torvalds/linux/commit/71b3c126e61177eb693423f2e18a1914205b165e
- http://www.oracle.com/technetwork/topics/security/ovmbulletinoct2016-3090547.html
- https://bugzilla.redhat.com/show_bug.cgi?id=1301893
- http://www.ubuntu.com/usn/USN-2931-1
- http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00015.html
- http://www.ubuntu.com/usn/USN-2998-1
- 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