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High USN-6045-1 5 CVEs

linux, linux-aws, linux-kvm, linux-lts-xenial vulnerabilities

Published Apr 26, 2023 · Updated Oct 22, 2026

Summary

It was discovered that the Traffic-Control Index (TCINDEX) implementation
in the Linux kernel did not properly perform filter deactivation in some
situations. A local attacker could possibly use this to gain elevated
privileges. Please note that with the fix for this CVE, kernel support for
the TCINDEX classifier has been removed. (CVE-2023-1829)

Gwnaun Jung discovered that the SFB packet scheduling implementation in the
Linux kernel contained a use-after-free vulnerability. A local attacker
could use this to cause a denial of service (system crash) or possibly
execute arbitrary code. (CVE-2022-3586)

Zheng Wang and Zhuorao Yang discovered that the RealTek RTL8712U wireless
driver in the Linux kernel contained a use-after-free vulnerability. A
local attacker could use this to cause a denial of service (system crash)
or possibly execute arbitrary code. (CVE-2022-4095)

It was discovered that the TIPC protocol implementation in the Linux kernel
did not properly validate the queue of socket buffers (skb) when handling
certain UDP packets. A remote attacker could use this to cause a denial of
service. (CVE-2023-1390)

It was discovered that the Xircom PCMCIA network device driver in the Linux
kernel did not properly handle device removal events. A physically
proximate attacker could use this to cause a denial of service (system
crash). (CVE-2023-1670)

Fixed packages 5

ReleasePackageFixed in
Ubuntu · Pro 14.04 LTS Pro:14.04:LTS linux-aws 4.4.0-1118.124
Ubuntu · Pro 14.04 LTS Pro:14.04:LTS linux-lts-xenial 4.4.0-240.274~14.04.1
Ubuntu · Pro 16.04 LTS Pro:16.04:LTS linux 4.4.0-240.274
Ubuntu · Pro 16.04 LTS Pro:16.04:LTS linux-aws 4.4.0-1156.171
Ubuntu · Pro 16.04 LTS Pro:16.04:LTS linux-kvm 4.4.0-1119.129

Vulnerabilities 5

References

  • report
    https://ubuntu.com/security/CVE-2022-3586
  • report
    https://ubuntu.com/security/CVE-2022-4095
  • report
    https://ubuntu.com/security/CVE-2023-1390
  • report
    https://ubuntu.com/security/CVE-2023-1670
  • report
    https://ubuntu.com/security/CVE-2023-1829