USN-5804-1

Advisory lineage Upstream: 8 Downstream: 0
Published: 13 Jan 2023, 02:50
Last modified:03 Jun 2026, 13:34

Vulnerability Summary

Overall Risk (default)
minimal
0/100
CVSS Score
No data
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

13 Jan 2023, 02:50
Published
Vulnerability first disclosed
03 Jun 2026, 13:34
Last Modified
Vulnerability information updated

Description

linux, linux-aws, linux-aws-hwe, linux-azure, linux-azure-4.15, linux-gcp, linux-gcp-5.4, linux-hwe, linux-ibm, linux-kvm, linux-oracle, linux-oracle-5.4, vulnerabilities It was discovered that the NFSD implementation in the Linux kernel did not properly handle some RPC messages, leading to a buffer overflow. A remote attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2022-43945) Tamás Koczka discovered that the Bluetooth L2CAP handshake implementation in the Linux kernel contained multiple use-after-free vulnerabilities. A physically proximate attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2022-42896) It was discovered that the Xen netback driver in the Linux kernel did not properly handle packets structured in certain ways. An attacker in a guest VM could possibly use this to cause a denial of service (host NIC availability). (CVE-2022-3643) It was discovered that an integer overflow vulnerability existed in the Bluetooth subsystem in the Linux kernel. A physically proximate attacker could use this to cause a denial of service (system crash). (CVE-2022-45934)

Affected Systems

  • ubuntu•linux

    < 4.15.0-202.213 | < 5.4.0-137.154

  • ubuntu•linux-aws

    < 5.4.0-1094.102

  • ubuntu•linux-aws-hwe

    < 4.15.0-1148.160~16.04.1

  • ubuntu•linux-azure

    < 4.15.0-1159.174~14.04.1

  • ubuntu•linux-azure-4.15

    < 4.15.0-1159.174

  • ubuntu•linux-gcp

    < 4.15.0-1143.159~16.04.1 | < 5.4.0-1098.107

  • ubuntu•linux-gcp-5.4

    < 5.4.0-1098.107~18.04.1

  • ubuntu•linux-hwe

    < 4.15.0-202.213~16.04.1

  • ubuntu•linux-ibm

    < 5.4.0-1042.47

  • ubuntu•linux-kvm

    < 4.15.0-1134.139 | < 5.4.0-1084.90

  • ubuntu•linux-oracle

    < 5.4.0-1092.101

  • ubuntu•linux-oracle-5.4

    < 5.4.0-1092.101~18.04.1

References (5)