CVE-2023-2177

MEDIUM

Linux Kernel - Null Pointer Dereference in SCTP Stream Scheduler

Title source: llm
STIX 2.1

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.

References (1)

Core 1

Scores

CVSS v3 5.5
EPSS 0.0021
EPSS Percentile 11.2%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-476
Status published
Products (2)
linux/linux_kernel 5.19 rc1 (8 CPE variants)
linux/linux_kernel < 5.19
Published Apr 20, 2023
Tracked Since Feb 18, 2026