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CVE-2023-2177

Date: April 20, 2023

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.

Severity Score

Related Resources (5)

https://nvd.nist.gov/vuln/detail/CVE-2023-2177
https://people.canonical.com/~ubuntu-security/cve/CVE-2023-2177
https://access.redhat.com/security/cve/CVE-2023-2177
https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=181d8d2066c0
https://www.mend.io/vulnerability-database/CVE-2023-2177

Severity Score

Weakness Type (CWE)

NULL Pointer Dereference

CWE-476

CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

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