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Test ID:1.3.6.1.4.1.25623.1.0.883210
Category:CentOS Local Security Checks
Title:CentOS: Security Advisory for bpftool (CESA-2020:0839)
Summary:The remote host is missing an update for the 'bpftool'; package(s) announced via the CESA-2020:0839 advisory.
Description:Summary:
The remote host is missing an update for the 'bpftool'
package(s) announced via the CESA-2020:0839 advisory.

Vulnerability Insight:
The kernel-rt packages provide the Real Time Linux Kernel, which enables
fine-tuning for systems with extremely high determinism requirements.

Security Fix(es):

* kernel: Count overflow in FUSE request leading to use-after-free issues.
(CVE-2019-11487)

* kernel: rtl_p2p_noa_ie in drivers/net/wireless/realtek/rtlwifi/ps.c in
the Linux kernel lacks a certain upper-bound check, leading to a buffer
overflow (CVE-2019-17666)

* Kernel: KVM: export MSR_IA32_TSX_CTRL to guest - incomplete fix for TAA
(CVE-2019-11135) (CVE-2019-19338)

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):

* kernel-rt: update to the RHEL7.7.z batch#5 source tree (BZ#1794131)

The system must be rebooted for this update to take effect.

1703063 - CVE-2019-11487 kernel: Count overflow in FUSE request leading to use-after-free issues.
1763690 - CVE-2019-17666 kernel: rtl_p2p_noa_ie in drivers/net/wireless/realtek/rtlwifi/ps.c in the Linux kernel lacks a certain upper-bound check, leading to a buffer overflow
1781514 - CVE-2019-19338 Kernel: KVM: export MSR_IA32_TSX_CTRL to guest - incomplete fix for TAA (CVE-2019-11135)

Description truncated. Please see the references for more information.

Affected Software/OS:
'bpftool' package(s) on CentOS 7.

Solution:
Please install the updated package(s).

CVSS Score:
8.3

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

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2019-11487
Common Vulnerability Exposure (CVE) ID: CVE-2019-17666
Common Vulnerability Exposure (CVE) ID: CVE-2019-19338
Common Vulnerability Exposure (CVE) ID: CVE-2019-11135
CopyrightCopyright (C) 2020 Greenbone Networks GmbH

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