CVEvulnerability
CVE-2012-6704
7.8 HIGH
Official page ↗
- Status
- Modified
- Published
- 2016-12-28
- Last modified
- 2026-06-16
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 7.2 HIGH — AV:L/AC:L/Au:N/C:C/I:C/A:C
- Weaknesses
- CWE-119
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.
Affected configurations
• linux linux kernel (< 3.2.85)
• linux linux kernel (>= 3.3 < 3.5)
Related
Weakness · CWE (1)
- CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer weakness
References
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=82981930125abfd39d7c8378a9cfdf5e1be2002b Patch, Vendor Advisory
- http://www.openwall.com/lists/oss-security/2016/12/03/1 Mailing List, Third Party Advisory, VDB Entry
- http://www.securityfocus.com/bid/95135 Third Party Advisory, VDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=1402024 Issue Tracking, Third Party Advisory
- https://github.com/torvalds/linux/commit/82981930125abfd39d7c8378a9cfdf5e1be2002b Patch, Third Party Advisory
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=82981930125abfd39d7c8378a9cfdf5e1be2002b Patch, Vendor Advisory
- http://www.openwall.com/lists/oss-security/2016/12/03/1 Mailing List, Third Party Advisory, VDB Entry
- http://www.securityfocus.com/bid/95135 Third Party Advisory, VDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=1402024 Issue Tracking, Third Party Advisory
- https://github.com/torvalds/linux/commit/82981930125abfd39d7c8378a9cfdf5e1be2002b Patch, Third Party Advisory