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centosCentOS ProjectCESA-2021:3438
HistorySep 27, 2021 - 2:14 p.m.

bpftool, kernel, perf, python security update

2021-09-2714:14:52
CentOS Project
lists.centos.org
164
kernel
security update
use-after-free
route4_change
cesa-2021:3438
cve-2021-3715
red hat

CVSS2

7.2

Attack Vector

LOCAL

Attack 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

CVSS3

7.8

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

EPSS

0

Percentile

5.1%

JSON

CentOS Errata and Security Advisory CESA-2021:3438

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)

Merged security bulletin from advisories:
https://lists.centos.org/pipermail/centos-announce/2021-September/086158.html

Affected packages:
bpftool
kernel
kernel-abi-whitelists
kernel-debug
kernel-debug-devel
kernel-devel
kernel-doc
kernel-headers
kernel-tools
kernel-tools-libs
kernel-tools-libs-devel
perf
python-perf

Upstream details at:
https://access.redhat.com/errata/RHSA-2021:3438

OSVersionArchitecturePackageVersionFilename
CentOS7x86_64bpftool< 3.10.0-1160.42.2.el7bpftool-3.10.0-1160.42.2.el7.x86_64.rpm
CentOS7x86_64kernel< 3.10.0-1160.42.2.el7kernel-3.10.0-1160.42.2.el7.x86_64.rpm
CentOS7noarchkernel-abi-whitelists< 3.10.0-1160.42.2.el7kernel-abi-whitelists-3.10.0-1160.42.2.el7.noarch.rpm
CentOS7x86_64kernel-debug< 3.10.0-1160.42.2.el7kernel-debug-3.10.0-1160.42.2.el7.x86_64.rpm
CentOS7x86_64kernel-debug-devel< 3.10.0-1160.42.2.el7kernel-debug-devel-3.10.0-1160.42.2.el7.x86_64.rpm
CentOS7x86_64kernel-devel< 3.10.0-1160.42.2.el7kernel-devel-3.10.0-1160.42.2.el7.x86_64.rpm
CentOS7noarchkernel-doc< 3.10.0-1160.42.2.el7kernel-doc-3.10.0-1160.42.2.el7.noarch.rpm
CentOS7x86_64kernel-headers< 3.10.0-1160.42.2.el7kernel-headers-3.10.0-1160.42.2.el7.x86_64.rpm
CentOS7x86_64kernel-tools< 3.10.0-1160.42.2.el7kernel-tools-3.10.0-1160.42.2.el7.x86_64.rpm
CentOS7x86_64kernel-tools-libs< 3.10.0-1160.42.2.el7kernel-tools-libs-3.10.0-1160.42.2.el7.x86_64.rpm
Rows per page:
1-10 of 131

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CVSS2

7.2

Attack Vector

LOCAL

Attack 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

CVSS3

7.8

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

EPSS

0

Percentile

5.1%

JSON
Related for CESA-2021:3438
nessus57redhat15prion1openvas20ibm7veracode1oraclelinux2cve1debiancve1ubuntucve1redhatcve1f51nvd1cvelist1githubexploit2ubuntu1suse6