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centosCentOS ProjectCESA-2019:4256
HistoryDec 24, 2019 - 3:25 p.m.

kernel, perf, python security update

2019-12-2415:25:23
CentOS Project
lists.centos.org
194

8.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

7.2 High

CVSS2

Access Vector

Access Complexity

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

30.1%

CentOS Errata and Security Advisory CESA-2019:4256

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

Security Fix(es):

  • Kernel: KVM: OOB memory access via mmio ring buffer (CVE-2019-14821)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Bug Fix(es):

  • KEYS: prevent creating a different user’s keyrings RHEL-6.10 (BZ#1537371)

  • BUG: unable to handle kernel NULL pointer dereference at (null) (BZ#1733760)

  • long I/O stalls with bnx2fc from not masking off scope bits of retry delay value (BZ#1749512)

Merged security bulletin from advisories:
https://lists.centos.org/pipermail/centos-announce/2019-December/085709.html

Affected packages:
kernel
kernel-abi-whitelists
kernel-debug
kernel-debug-devel
kernel-devel
kernel-doc
kernel-firmware
kernel-headers
perf
python-perf

Upstream details at:
https://access.redhat.com/errata/RHSA-2019:4256

8.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

7.2 High

CVSS2

Access Vector

Access Complexity

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

30.1%