NULL pointer dereference in Linux Kernel
CVE-2011-1093
The dccp_rcv_state_process function in net/dccp/input.c in the Datagram Congestion Control Protocol (DCCP) implementation in the Linux kernel before 2.6.38 does not properly handle packets for a CLOSED endpoint, which allows remote attackers to cause a denial of service (NULL pointer dereference and OOPS) by sending a DCCP-Close packet followed by a DCCP-Reset packet.
Published · last modified .
CVSS v2 metric
CVSS v2 base score 7.8 (High). Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.035 (88.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 89th percentile — 88.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.035 · newest: 0.035 · change: 0.000
Affected products
- Linux Kernel
- Red Hat Enterprise Linux Aus — versions 5.6
- Red Hat Enterprise Linux Desktop — versions 5.0
- Red Hat Enterprise Linux Eus — versions 5.6
- Red Hat Enterprise Linux Server — versions 5.0
- Red Hat Enterprise Linux Workstation — versions 5.0
Weakness classification (CWE)
References
- git.kernel.org/
- www.securityfocus.com/bid/46793 (VDB Entry, Third Party Advisory, vdb-entry)
- rhn.redhat.com/errata/RHSA-2011-0833.html (vendor-advisory, Third Party Advisory)
- bugzilla.redhat.com/show_bug.cgi (Patch, Third Party Advisory, Issue Tracking)
- openwall.com/lists/oss-security/2011/03/08/4 (mailing-list, Patch, Mailing List, Third Party Advisory)
- openwall.com/lists/oss-security/2011/03/08/19 (mailing-list, Patch, Mailing List, Third Party Advisory)
- downloads.avaya.com/css/P8/documents/100145416 (Third Party Advisory)
- www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.38 (Broken Link)