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RedHatRHSA-2017:1232HistoryMay 16, 2017 - 9:05 a.m.
(RHSA-2017:1232) Important: kernel security update
2017-05-1609:05:54
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58
7 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
6.9 Medium
CVSS2
Access Vector
LOCAL
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:L/AC:M/Au:N/C:C/I:C/A:C
0.0004 Low
EPSS
Percentile
9.4%
The kernel packages contain the Linux kernel, the core of any Linux operating system.
Security Fix(es):
- A race condition flaw was found in the N_HLDC Linux kernel driver when accessing n_hdlc.tbuf list that can lead to double free. A local, unprivileged user able to set the HDLC line discipline on the tty device could use this flaw to increase their privileges on the system. (CVE-2017-2636, Important)
Red Hat would like to thank Alexander Popov for reporting this issue.
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| RedHat | 6 | x86_64 | kernel-debuginfo | <Β 2.6.32-431.80.1.el6 | kernel-debuginfo-2.6.32-431.80.1.el6.x86_64.rpm |
| RedHat | 6 | x86_64 | kernel-devel | <Β 2.6.32-431.80.1.el6 | kernel-devel-2.6.32-431.80.1.el6.x86_64.rpm |
| RedHat | 6 | x86_64 | kernel-headers | <Β 2.6.32-431.80.1.el6 | kernel-headers-2.6.32-431.80.1.el6.x86_64.rpm |
| RedHat | 6 | x86_64 | kernel-debuginfo-common-x86_64 | <Β 2.6.32-431.80.1.el6 | kernel-debuginfo-common-x86_64-2.6.32-431.80.1.el6.x86_64.rpm |
| RedHat | 6 | noarch | kernel-doc | <Β 2.6.32-431.80.1.el6 | kernel-doc-2.6.32-431.80.1.el6.noarch.rpm |
| RedHat | 6 | x86_64 | kernel-debug-debuginfo | <Β 2.6.32-431.80.1.el6 | kernel-debug-debuginfo-2.6.32-431.80.1.el6.x86_64.rpm |
| RedHat | 6 | x86_64 | perf | <Β 2.6.32-431.80.1.el6 | perf-2.6.32-431.80.1.el6.x86_64.rpm |
| RedHat | 6 | noarch | kernel-abi-whitelists | <Β 2.6.32-431.80.1.el6 | kernel-abi-whitelists-2.6.32-431.80.1.el6.noarch.rpm |
| RedHat | 6 | x86_64 | kernel | <Β 2.6.32-431.80.1.el6 | kernel-2.6.32-431.80.1.el6.x86_64.rpm |
| RedHat | 6 | x86_64 | python-perf | <Β 2.6.32-431.80.1.el6 | python-perf-2.6.32-431.80.1.el6.x86_64.rpm |
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7 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
6.9 Medium
CVSS2
Access Vector
LOCAL
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:L/AC:M/Au:N/C:C/I:C/A:C
0.0004 Low
EPSS
Percentile
9.4%
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