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rockyRockylinux Product ErrataRLSA-2021:2168
HistoryJun 01, 2021 - 9:02 a.m.

kernel security and bug fix update

2021-06-0109:02:01
Rockylinux Product Errata
errata.rockylinux.org
10

7.1 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

HIGH

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

0.0004 Low

EPSS

Percentile

11.7%

An update is available for kernel.
This update affects Rocky Linux 8.
A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list
The kernel packages contain the Linux kernel, the core of any Linux operating system.

Security Fix(es):

  • kernel: userspace applications can misuse the KVM API to cause a write of 16 bytes at an offset up to 32 GB from vcpu->run (CVE-2021-3501)

  • kernel: nitro_enclaves stale file descriptors on failed usercopy (CVE-2021-3543)

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):

  • OVS mistakenly using local IP as tun_dst for VXLAN packets (?) (BZ#1944667)

  • Selinux: The task calling security_set_bools() deadlocks with itself when it later calls selinux_audit_rule_match(). (BZ#1945123)

  • [mlx5] tc flower mpls match options does not work (BZ#1952061)

  • mlx5: missing patches for ct.rel (BZ#1952062)

  • CT HWOL: with OVN/OVS, intermittently, load balancer hairpin TCP packets get dropped for seconds in a row (BZ#1952065)

  • [Lenovo 8.3 bug] Blackscreen after clicking on “Settings” icon from top-right corner. (BZ#1952900)

  • Rocky Linux 8.x missing uio upstream fix. (BZ#1952952)

  • Turbostat doesn’t show any measured data on AMD Milan (BZ#1952987)

  • P620 no sound from front headset jack (BZ#1954545)

  • Rocky Linux kernel 8.2 and higher are affected by data corruption bug in raid1 arrays using bitmaps. (BZ#1955188)

  • [net/sched] connection failed with DNAT + SNAT by tc action ct (BZ#1956458)

7.1 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

HIGH

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

0.0004 Low

EPSS

Percentile

11.7%