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Test ID:1.3.6.1.4.1.25623.1.0.883380
Category:CentOS Local Security Checks
Title:CentOS: Security Advisory for bpftool (CESA-2021:3438)
Summary:The remote host is missing an update for the 'bpftool'; package(s) announced via the CESA-2021:3438 advisory.
Description:Summary:
The remote host is missing an update for the 'bpftool'
package(s) announced via the CESA-2021:3438 advisory.

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

Security Fix(es):

* kernel: use-after-free in route4_change() in net/sched/cls_route.c
(CVE-2021-3715)

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):

* [RHEL 7.8][s390x][DASD]Crash in __list_del_entry, alias_pav_group list
corrupt when running dasd_alias_remove_device() (BZ#1889418)

* EMBARGOED CVE-2021-3715 kernel: use-after-free in route4_change() in
net/sched/cls_route.c (BZ#1992926)

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

Solution:
Please install the updated package(s).

CVSS Score:
7.2

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

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2021-3715
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=ef299cc3fa1a9e1288665a9fdc8bff55629fd359
CopyrightCopyright (C) 2021 Greenbone Networks GmbH

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