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rockyRockylinux Product ErrataRLSA-2021:2570
HistoryJun 29, 2021 - 1:42 p.m.

kernel security and bug fix update

2021-06-2913:42:37
Rockylinux Product Errata
errata.rockylinux.org
14

7.8 High

CVSS3

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

6.9 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:L/AC:M/Au:N/C:C/I:C/A:C

0.001 Low

EPSS

Percentile

30.5%

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: use-after-free in net/bluetooth/hci_event.c when destroying an hci_chan (CVE-2021-33034)

  • kernel: security bypass in certs/blacklist.c and certs/system_keyring.c (CVE-2020-26541)

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):

  • [ESXi][Rocky Linux-8] VMXNET3 v4 causes invalid checksums of inner packets of VXLAN tunnel (BZ#1960702)

  • fnic crash from invalid request pointer (BZ#1961705)

  • GFS2: Failed FS thaw call makes the entire snapshot failed. (BZ#1961849)

  • dm writecache: fix performance degradation in ssd mode (BZ#1962241)

  • Kernel BUG with act_ct and IP fragments (BZ#1963940)

  • core: backports from upstream (BZ#1963952)

  • Hibernate resume on Rocky Linux fails in Amazon EC2 C5.18xlarge instance (BZ#1964930)

  • [SanityOnly] panic caused by i40e_msix_clean_rings (BZ#1964962)

  • tc reclassification limit is too low for OVN (BZ#1965148)

  • tc action ct nat src addr does not work while used with ct nat dst addr together (BZ#1965150)

  • CNB: Rebase/update TC subsystem for Rocky Linux 8.5 (BZ#1965457)

  • sctp: crash due to use after free of sctp_transport structure (BZ#1965632)

7.8 High

CVSS3

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

6.9 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:L/AC:M/Au:N/C:C/I:C/A:C

0.001 Low

EPSS

Percentile

30.5%