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CVE-2023-2177

Medium

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.

SeverityMedium
CVSS5.5
Exploit probability—
ProductLinux Kernel
PublishedApr 20, 2023
First seenApr 20, 2023
Weakness typeCWE-476NULL pointer dereference

How to fix

Update
  • linux linux_kernel5.19 or later

Affected products

ProductAffected versionsFixed in
linux linux_kernelv < 5.19, 5.195.19

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