PRIOn knowledge basePRION:CVE-2016-2069Race condition
7.4 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
6.7 Medium
AI Score
Confidence
Low
4.4 Medium
CVSS2
Access Vector
LOCAL
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:L/AC:M/Au:N/C:P/I:P/A:P
0.002 Low
EPSS
Percentile
57.7%
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.
| CPE | Name | Operator | Version |
|---|---|---|---|
| ubuntu_linux | eq | 12.04 | |
| ubuntu_linux | eq | 14.04 | |
| linux_kernel | le | 4.4 |
References
git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=71b3c126e61177eb693423f2e18a1914205b165e
lists.opensuse.org/opensuse-security-announce/2016-03/msg00094.html
lists.opensuse.org/opensuse-security-announce/2016-04/msg00015.html
lists.opensuse.org/opensuse-security-announce/2016-04/msg00045.html
lists.opensuse.org/opensuse-security-announce/2016-08/msg00038.html
rhn.redhat.com/errata/RHSA-2016-2574.html
rhn.redhat.com/errata/RHSA-2016-2584.html
rhn.redhat.com/errata/RHSA-2017-0817.html
www.debian.org/security/2016/dsa-3503
www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.4.1
www.openwall.com/lists/oss-security/2016/01/25/1
www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html
www.oracle.com/technetwork/topics/security/ovmbulletinoct2016-3090547.html
www.securityfocus.com/bid/81809
www.ubuntu.com/usn/USN-2931-1
www.ubuntu.com/usn/USN-2932-1
www.ubuntu.com/usn/USN-2967-1
www.ubuntu.com/usn/USN-2967-2
www.ubuntu.com/usn/USN-2989-1
www.ubuntu.com/usn/USN-2998-1
bugzilla.redhat.com/show_bug.cgi?id=1301893
github.com/torvalds/linux/commit/71b3c126e61177eb693423f2e18a1914205b165e
Related
7.4 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
6.7 Medium
AI Score
Confidence
Low
4.4 Medium
CVSS2
Access Vector
LOCAL
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:L/AC:M/Au:N/C:P/I:P/A:P
0.002 Low
EPSS
Percentile
57.7%