Integer overflow in Linux Kernel
CVE-2011-1770
Integer underflow in the dccp_parse_options function (net/dccp/options.c) in the Linux kernel before 2.6.33.14 allows remote attackers to cause a denial of service via a Datagram Congestion Control Protocol (DCCP) packet with an invalid feature options length, which triggers a buffer over-read.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.044 (90.9th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 91st percentile — 90.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.044 · newest: 0.044 · change: 0.000
Affected products
- Linux Kernel
- Fedoraproject Fedora — versions 14, 15
Weakness classification (CWE)
References
- www.securitytracker.com/id (VDB Entry, Third Party Advisory, vdb-entry)
- marc.info/ (mailing-list, Patch, Third Party Advisory)
- www.securityfocus.com/bid/47769 (VDB Entry, Third Party Advisory, vdb-entry)
- marc.info/ (mailing-list, Patch, Third Party Advisory)
- bugzilla.redhat.com/show_bug.cgi (Patch, Third Party Advisory, Issue Tracking)
- secunia.com/advisories/44932 (Third Party Advisory, Vendor Advisory, third-party-advisory)
- securityreason.com/securityalert/8286 (Third Party Advisory, third-party-advisory)
- lists.fedoraproject.org/pipermail/package-announce/2011-June/061236.html (vendor-advisory, Third Party Advisory)
- www.kernel.org/pub/linux/kernel/v2.6/longterm/v2.6.33/ChangeLog-2.6.33.14 (Release Notes, Vendor Advisory)
- lists.fedoraproject.org/pipermail/package-announce/2011-June/061366.html (vendor-advisory, Patch, Third Party Advisory)
Frequently asked questions
- What is CVE-2011-1770?
- CVE-2011-1770 is a high-severity vulnerability in Linux Kernel, classified under Integer Underflow. CVSS score: 7.5/10. Published 2011-06-24.
- How severe is CVE-2011-1770?
- High severity. CVSS v3 base score is 7.5 out of 10.