CVE-2023-2177 — MEDIUM (5.5)

Q: How severe is CVE-2023-2177?

CVE-2023-2177 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2023-2177?

Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.

Vulnerability 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 Score

5.5

MEDIUM

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Linux	Linux Kernel	< 5.19

Related Weaknesses (CWE)

CWE-476

References

https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=181d8dMailing ListPatchVendor Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=181d8dMailing ListPatchVendor Advisory

FAQ

What is CVE-2023-2177?

CVE-2023-2177 is a vulnerability with a CVSS score of 5.5 (MEDIUM). 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 access...

How severe is CVE-2023-2177?

CVE-2023-2177 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2023-2177?

Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.