LSN-0094-1

Advisory lineage Upstream: 4 Downstream: 0
Published: 18 Apr 2023, 07:22
Last modified:03 Jun 2026, 14:03

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

18 Apr 2023, 07:22
Published
Vulnerability first disclosed
03 Jun 2026, 14:03
Last Modified
Vulnerability information updated

Description

Kernel Live Patch Security Notice Lin Ma discovered a race condition in the io_uring subsystem in the Linux kernel, leading to a null pointer dereference vulnerability. A local attacker could use this to cause a denial of service (system crash).(CVE-2023-0468) It was discovered that the Traffic-Control Index (TCINDEX) 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-2023-1281)

Affected Systems

  • ubuntu•linux

    all | < 5.15.0-67.74 | < 4.15.0-209.220 | < 5.4.0-147.164 | < 5.15.0-70.77

  • ubuntu•linux-aws

    all | < 5.15.0-1031.35 | < 4.15.0-1154.167 | < 5.4.0-1100.108 | < 5.15.0-1034.38

  • ubuntu•linux-aws-5.15

    < 5.15.0-1031.35~20.04.1 | < 5.15.0-1034.38~20.04.1

  • ubuntu•linux-aws-5.4

    all | < 5.4.0-1100.108~18.04.1

  • ubuntu•linux-aws-hwe

    all | < 4.15.0-1154.167~16.04.1

  • ubuntu•linux-azure

    all | < 5.15.0-1034.41 | < 4.15.0-1163.178~16.04.1 | < 5.4.0-1106.112 | < 5.15.0-1036.43

  • ubuntu•linux-azure-4.15

    all | < 4.15.0-1163.178

  • ubuntu•linux-azure-5.4

    all | < 5.4.0-1106.112~18.04.1

  • ubuntu•linux-gcp

    all | < 5.15.0-1030.37 | < 4.15.0-1148.164~16.04.1 | < 5.4.0-1103.112 | < 5.15.0-1032.40

  • ubuntu•linux-gcp-4.15

    all | < 4.15.0-1148.164

  • ubuntu•linux-gcp-5.15

    < 5.15.0-1030.37~20.04.1 | < 5.15.0-1032.40~20.04.1

  • ubuntu•linux-gcp-5.4

    all | < 5.4.0-1103.112~18.04.1

  • ubuntu•linux-gke

    all | < 5.15.0-1028.33 | < 5.4.0-1097.104 | < 5.15.0-1031.36

  • ubuntu•linux-gke-4.15

    all

  • ubuntu•linux-gke-5.15

    < 5.15.0-1028.33~20.04.1 | < 5.15.0-1031.36~20.04.1

  • ubuntu•linux-gke-5.4

    all

  • ubuntu•linux-gkeop

    all | < 5.4.0-1067.71

  • ubuntu•linux-gkeop-5.4

    all

  • ubuntu•linux-hwe

    all | < 4.15.0-209.220~16.04.1

  • ubuntu•linux-hwe-5.4

    all | < 5.4.0-147.164~18.04.1

  • ubuntu•linux-ibm

    all | < 5.15.0-1026.29 | < 5.4.0-1047.52 | < 5.15.0-1028.31

  • ubuntu•linux-ibm-5.4

    all | < 5.4.0-1047.52~18.04.1

  • ubuntu•linux-oem

    all

References (3)