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High 1 exploited CVE USN-5302-1 6 CVEs

linux-oem-5.14 vulnerabilities

Published Feb 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)

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)

Wenqing Liu discovered that the f2fs file system implementation in the
Linux kernel did not properly validate inode types while performing garbage
collection. An attacker could use this to construct a malicious f2fs image
that, when mounted and operated on, could cause a denial of service (system
crash). (CVE-2021-44879)

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)

Lyu Tao discovered that the NFS implementation in the Linux kernel did not
properly handle requests to open a directory on a regular file. A local
attacker could use this to expose sensitive information (kernel memory).
(CVE-2022-24448)

It was discovered that the YAM AX.25 device driver in the Linux kernel did
not properly deallocate memory in some error conditions. A local privileged
attacker could use this to cause a denial of service (kernel memory
exhaustion). (CVE-2022-24959)

Fixed packages 1

ReleasePackageFixed in
Ubuntu · 20.04 LTS 20.04:LTS linux-oem-5.14 5.14.0-1024.26

Vulnerabilities 6

References

  • report
    https://ubuntu.com/security/CVE-2021-43976
  • report
    https://ubuntu.com/security/CVE-2021-44879
  • report
    https://ubuntu.com/security/CVE-2022-0435
  • report
    https://ubuntu.com/security/CVE-2022-0492
  • report
    https://ubuntu.com/security/CVE-2022-24448
  • report
    https://ubuntu.com/security/CVE-2022-24959