RLSA-2021:2168

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Import Source
https://storage.googleapis.com/resf-osv-data/RLSA-2021:2168.json
JSON Data
https://api.osv.dev/v1/vulns/RLSA-2021:2168
Related
Published
2021-06-01T09:02:01Z
Modified
2023-02-02T14:09:35.674209Z
Severity
  • 7.8 (High) CVSS_V3 - CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H CVSS Calculator
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: 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 securitysetbools() deadlocks with itself when it later calls selinuxauditrule_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)

References
Credits
    • Rocky Enterprise Software Foundation
    • Red Hat

Affected packages

Rocky Linux:8 / kernel

Package

Name
kernel
Purl
pkg:rpm/rocky-linux/kernel?distro=rocky-linux-8-4-legacy&epoch=0

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0:4.18.0-305.3.1.el8_4