CVE-2017-2634
High
Description
It was found that the Linux kernel's Datagram Congestion Control Protocol (DCCP) implementation before 2.6.22.17 used the IPv4-only inet_sk_rebuild_header() function for both IPv4 and IPv6 DCCP connections, which could result in memory corruptions. A remote attacker could use this flaw to crash the system.
SeverityHigh
CVSS7.5
Exploit probability—
Product
Linux Kernel
PublishedJul 27, 2018
First seenJul 27, 2018
Weakness typeCWE-476NULL pointer dereference
How to fix
Update
- linux linux_kernel2.6.22.17 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | v < 2.6.22.17 | 2.6.22.17 |
| redhat enterprise_linux_desktop | 5.0 | — |
| redhat enterprise_linux_server | 5.0 | — |
| redhat enterprise_linux_server_aus | 5.6, 5.9 | — |
| redhat enterprise_linux_workstation | 5.0 | — |
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