NULL pointer dereference in Linux kernel - CVE-2008-3792

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Main Vulnerability Database Vulnerabilities #VU91021

NULL pointer dereference in Linux kernel - CVE-2008-3792

Published: September 3, 2008 / Updated: October 11, 2018


Vulnerability identifier: #VU91021
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2008-3792
CWE-ID: CWE-476
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel

Detailed vulnerability description

The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to NULL pointer dereference within the sctp_setsockopt_auth_chunk(), sctp_setsockopt_hmac_ident(), sctp_setsockopt_auth_key(), sctp_setsockopt_active_key(), sctp_setsockopt_del_key(), sctp_getsockopt_maxburst(), sctp_getsockopt_active_key(), sctp_getsockopt_peer_auth_chunks() and sctp_getsockopt_local_auth_chunks() functions in net/sctp/socket.c, within the sctp_endpoint_init() function in net/sctp/endpointola.c. A remote non-authenticated attacker can perform a denial of service (DoS) attack.


How to mitigate CVE-2008-3792

Install update from vendor's website.

Sources