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redhatRedHatRHSA-2019:2869
HistorySep 23, 2019 - 12:11 p.m.

(RHSA-2019:2869) Important: kernel security and bug fix update

2019-09-2312:11:17
access.redhat.com
117

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

7.2 High

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:L/AC:L/Au:N/C:C/I:C/A:C

0.001 Low

EPSS

Percentile

28.7%

JSON

The kernel packages contain the Linux kernel, the core of any Linux operating system.

Security Fix(es):

  • A buffer overflow flaw was found in the way Linux kernel’s vhost functionality that translates virtqueue buffers to IOVs, logged the buffer descriptors during migration. A privileged guest user able to pass descriptors with invalid length to the host when migration is underway, could use this flaw to increase their privileges on the host. (CVE-2019-14835)

Bug Fix(es):

  • fragmented packets timing out (BZ#1741131)

  • Backport TCP follow-up for small buffers (BZ#1741143)

OSVersionArchitecturePackageVersionFilename
RedHat6x86_64kernel-devel< 2.6.32-504.81.2.el6kernel-devel-2.6.32-504.81.2.el6.x86_64.rpm
RedHat6x86_64kernel-debuginfo< 2.6.32-504.81.2.el6kernel-debuginfo-2.6.32-504.81.2.el6.x86_64.rpm
RedHat6x86_64python-perf< 2.6.32-504.81.2.el6python-perf-2.6.32-504.81.2.el6.x86_64.rpm
RedHat6x86_64python-perf-debuginfo< 2.6.32-504.81.2.el6python-perf-debuginfo-2.6.32-504.81.2.el6.x86_64.rpm
RedHat6x86_64kernel-debug-debuginfo< 2.6.32-504.81.2.el6kernel-debug-debuginfo-2.6.32-504.81.2.el6.x86_64.rpm
RedHat6noarchkernel-abi-whitelists< 2.6.32-504.81.2.el6kernel-abi-whitelists-2.6.32-504.81.2.el6.noarch.rpm
RedHat6x86_64kernel-debug< 2.6.32-504.81.2.el6kernel-debug-2.6.32-504.81.2.el6.x86_64.rpm
RedHat6x86_64kernel-debuginfo-common-x86_64< 2.6.32-504.81.2.el6kernel-debuginfo-common-x86_64-2.6.32-504.81.2.el6.x86_64.rpm
RedHat6noarchkernel-doc< 2.6.32-504.81.2.el6kernel-doc-2.6.32-504.81.2.el6.noarch.rpm
RedHat6noarchkernel-firmware< 2.6.32-504.81.2.el6kernel-firmware-2.6.32-504.81.2.el6.noarch.rpm
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7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

7.2 High

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:L/AC:L/Au:N/C:C/I:C/A:C

0.001 Low

EPSS

Percentile

28.7%

JSON
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