ALSA-2021:2570

Source
https://errata.almalinux.org/8/ALSA-2021-2570.html
Import Source
https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2021:2570.json
JSON Data
https://api.osv.dev/v1/vulns/ALSA-2021:2570
Related
Published
2021-06-29T13:42:37Z
Modified
2021-08-11T08:54:00Z
Summary
Important: kernel security and bug fix update
Details

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

Security Fix(es):

  • kernel: use-after-free in net/bluetooth/hcievent.c when destroying an hcichan (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][AlmaLinux-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 AlmaLinux fails in Amazon EC2 C5.18xlarge instance (BZ#1964930)

  • [SanityOnly] panic caused by i40emsixclean_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 AlmaLinux 8.5 (BZ#1965457)

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

References

Affected packages

AlmaLinux:8 / kernel-tools-libs-devel

Package

Name
kernel-tools-libs-devel

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.18.0-305.7.1.el8_4