CVE-2012-6704

Description

The sock_setsockopt function in net/core/sock.c in the Linux kernel before 3.5 mishandles negative values of sk_sndbuf and sk_rcvbuf, which allows local users to cause a denial of service (memory corruption and system crash) or possibly have unspecified other impact by leveraging the CAP_NET_ADMIN capability for a crafted setsockopt system call with the (1) SO_SNDBUF or (2) SO_RCVBUF option.

Weakness classification

• CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer

Primary references

• cve@mitre.org — Patch, Vendor Advisory
• cve@mitre.org — Mailing List, Third Party Advisory, VDB Entry
• cve@mitre.org — Third Party Advisory, VDB Entry
• cve@mitre.org — Issue Tracking, Third Party Advisory
• cve@mitre.org — Patch, Third Party Advisory
• af854a3a-2127-422b-91ae-364da2661108 — Patch, Vendor Advisory
• af854a3a-2127-422b-91ae-364da2661108 — Mailing List, Third Party Advisory, VDB Entry
• af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory, VDB Entry
• af854a3a-2127-422b-91ae-364da2661108 — Issue Tracking, Third Party Advisory
• af854a3a-2127-422b-91ae-364da2661108 — Patch, Third Party Advisory