CVE-2011-1093
High
Description
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.
SeverityHigh
CVSS7.8
Exploit probability—
Product
Linux Kernel
PublishedJul 18, 2011
First seenJul 18, 2011
How to fix
Update
- linux linux_kernel2.6.38 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | v < 2.6.38 | 2.6.38 |
| redhat enterprise_linux_aus | 5.6 | — |
| redhat enterprise_linux_desktop | 5.0 | — |
| redhat enterprise_linux_eus | 5.6 | — |
| redhat enterprise_linux_server | 5.0 | — |
| redhat enterprise_linux_workstation | 5.0 | — |
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