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High 1 exploited CVE USN-5339-1 6 CVEs

linux, linux-aws, linux-aws-hwe, linux-azure, linux-azure-4.15, linux-dell300x, linux-hwe, linux-gcp, linux-gcp-4.15, linux-kvm, linux-oracle, linux-raspi2, linux-snapdragon vulnerabilities

Published Mar 22, 2022 · Updated Sep 10, 2026

Summary

Yiqi Sun and Kevin Wang discovered that the cgroups implementation in the
Linux kernel did not properly restrict access to the cgroups v1
release_agent feature. A local attacker could use this to gain
administrative privileges. (CVE-2022-0492)

It was discovered that an out-of-bounds (OOB) memory access flaw existed in
the f2fs module of the Linux kernel. A local attacker could use this issue
to cause a denial of service (system crash). (CVE-2021-3506)

Brendan Dolan-Gavitt discovered that the Marvell WiFi-Ex USB device driver
in the Linux kernel did not properly handle some error conditions. A
physically proximate attacker could use this to cause a denial of service
(system crash). (CVE-2021-43976)

It was discovered that the ARM Trusted Execution Environment (TEE)
subsystem in the Linux kernel contained a race condition leading to a use-
after-free vulnerability. A local attacker could use this to cause a denial
of service or possibly execute arbitrary code. (CVE-2021-44733)

It was discovered that the Phone Network protocol (PhoNet) implementation
in the Linux kernel did not properly perform reference counting in some
error conditions. A local attacker could possibly use this to cause a
denial of service (memory exhaustion). (CVE-2021-45095)

Samuel Page discovered that the Transparent Inter-Process Communication
(TIPC) protocol implementation in the Linux kernel contained a stack-based
buffer overflow. A remote attacker could use this to cause a denial of
service (system crash) for systems that have a TIPC bearer configured.
(CVE-2022-0435)

Fixed packages 15

ReleasePackageFixed in
Ubuntu · 18.04 LTS 18.04:LTS linux 4.15.0-173.182
Ubuntu · 18.04 LTS 18.04:LTS linux-aws 4.15.0-1124.133
Ubuntu · 18.04 LTS 18.04:LTS linux-azure-4.15 4.15.0-1134.147
Ubuntu · 18.04 LTS 18.04:LTS linux-dell300x 4.15.0-1038.43
Ubuntu · 18.04 LTS 18.04:LTS linux-gcp-4.15 4.15.0-1119.133
Ubuntu · 18.04 LTS 18.04:LTS linux-kvm 4.15.0-1110.113
Ubuntu · 18.04 LTS 18.04:LTS linux-oracle 4.15.0-1090.99
Ubuntu · 18.04 LTS 18.04:LTS linux-raspi2 4.15.0-1106.113
Ubuntu · 18.04 LTS 18.04:LTS linux-snapdragon 4.15.0-1123.132
Ubuntu · Pro 14.04 LTS Pro:14.04:LTS linux-azure 4.15.0-1134.147~14.04.1
Ubuntu · Pro 16.04 LTS Pro:16.04:LTS linux-aws-hwe 4.15.0-1124.133~16.04.1
Ubuntu · Pro 16.04 LTS Pro:16.04:LTS linux-azure 4.15.0-1134.147~16.04.1
Ubuntu · Pro 16.04 LTS Pro:16.04:LTS linux-gcp 4.15.0-1119.133~16.04.1
Ubuntu · Pro 16.04 LTS Pro:16.04:LTS linux-hwe 4.15.0-173.182~16.04.1
Ubuntu · Pro 16.04 LTS Pro:16.04:LTS linux-oracle 4.15.0-1090.99~16.04.1

Vulnerabilities 6

References

  • report
    https://ubuntu.com/security/CVE-2021-3506
  • report
    https://ubuntu.com/security/CVE-2021-43976
  • report
    https://ubuntu.com/security/CVE-2021-44733
  • report
    https://ubuntu.com/security/CVE-2021-45095
  • report
    https://ubuntu.com/security/CVE-2022-0435
  • report
    https://ubuntu.com/security/CVE-2022-0492