CVE-2023-2177

Aliases:UBUNTU-CVE-2023-2177DEBIAN-CVE-2023-2177
Advisory lineage Upstream: 0 Downstream: 17
Modified
Published: 20 Apr 2023, 00:00
Last modified:18 Mar 2025, 19:58

Vulnerability Summary

Overall Risk (default)
low
22/100
CVSS Score
5.5 MEDIUM
v3.1 (cve.org)
EPSS Score
0.21% LOW
0% probability +0.20%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

20 Apr 2023, 00:00
Published
Vulnerability first disclosed
18 Mar 2025, 19:58
Last Modified
Vulnerability information updated

Description

A null pointer dereference issue was found in the sctp network protocol in net/sctp/stream_sched.c in Linux Kernel. If stream_in allocation is failed, stream_out is freed which would further be accessed. A local user could use this flaw to crash the system or potentially cause a denial of service.

CVSS Metrics

  • v3.1•MEDIUM•Score: 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS Trends

Current EPSS score: 0.21%• Percentile: 11%

Techniques & Countermeasures

  • CWE-476•NULL Pointer Dereference

    The product dereferences a pointer that it expects to be valid but is NULL.

Affected Systems

  • debian•linux

    < 5.10.136-1 | < 5.18.16-1 | < 5.18.16-1 | < 5.18.16-1

  • ubuntu•linux

    all | < 5.4.0-128.144 | < 5.15.0-50.56

  • ubuntu•linux-aws

    all | < 5.4.0-1086.93 | < 5.15.0-1021.25

  • ubuntu•linux-aws-5.0

    all

  • ubuntu•linux-aws-5.11

    all

  • ubuntu•linux-aws-5.13

    all

  • ubuntu•linux-aws-5.15

    < 5.15.0-1021.25~20.04.1

  • ubuntu•linux-aws-5.3

    all

  • ubuntu•linux-aws-5.4

    < 5.4.0-1086.93~18.04.1

  • ubuntu•linux-aws-5.8

    all

  • ubuntu•linux-aws-fips

    all | < 5.4.0-1086.93+fips1

  • ubuntu•linux-aws-hwe

    all

  • ubuntu•linux-azure

    all | all | < 5.4.0-1094.100 | < 5.15.0-1021.26

  • ubuntu•linux-azure-4.15

    all

  • ubuntu•linux-azure-5.11

    all

  • ubuntu•linux-azure-5.13

    all

  • ubuntu•linux-azure-5.15

    < 5.15.0-1021.26~20.04.1

  • ubuntu•linux-azure-5.19

    all

  • ubuntu•linux-azure-5.3

    all

  • ubuntu•linux-azure-5.4

    < 5.4.0-1094.100~18.04.1

  • ubuntu•linux-azure-5.8

    all

  • ubuntu•linux-azure-edge

    all

  • ubuntu•linux-azure-fde

    < 5.15.0-1024.30.1

  • ubuntu•linux-azure-fde-5.19

    all

  • ubuntu•linux-azure-fips

    all | < 5.4.0-1094.100+fips1

  • ubuntu•linux-bluefield

    all | < 5.4.0-1047.52

  • ubuntu•linux-fips

    all | < 5.4.0-1062.70

  • ubuntu•linux-gcp

    all | all | < 5.4.0-1090.98 | < 5.15.0-1019.25

  • ubuntu•linux-gcp-4.15

    all

  • ubuntu•linux-gcp-5.11

    all

  • ubuntu•linux-gcp-5.13

    all

  • ubuntu•linux-gcp-5.15

    < 5.15.0-1021.28~20.04.1

  • ubuntu•linux-gcp-5.3

    all

  • ubuntu•linux-gcp-5.4

    < 5.4.0-1092.101~18.04.1

  • ubuntu•linux-gcp-5.8

    all

  • ubuntu•linux-gcp-fips

    all | < 5.4.0-1092.101+fips1

  • ubuntu•linux-gke

    < 5.4.0-1084.90 | < 5.15.0-1017.20

  • ubuntu•linux-gke-4.15

    all

  • ubuntu•linux-gke-5.15

    < 5.15.0-1019.23~20.04.1

  • ubuntu•linux-gke-5.4

    all

  • ubuntu•linux-gkeop

    < 5.4.0-1054.57 | < 5.15.0-1004.6

  • ubuntu•linux-gkeop-5.15

    < 5.15.0-1005.7~20.04.1

  • ubuntu•linux-gkeop-5.4

    all

  • ubuntu•linux-hwe

    all | all

  • ubuntu•linux-hwe-5.11

    all

  • ubuntu•linux-hwe-5.13

    all

  • ubuntu•linux-hwe-5.15

    < 5.15.0-50.56~20.04.1

  • ubuntu•linux-hwe-5.4

    < 5.4.0-128.144~18.04.1

  • ubuntu•linux-hwe-5.8

    all

  • ubuntu•linux-hwe-edge

    all | all

Showing first 50 affected entries in server-rendered view.

References (6)