Vulnerability Details : CVE-2009-0778

The icmp_send function in net/ipv4/icmp.c in the Linux kernel before 2.6.25, when configured as a router with a REJECT route, does not properly manage the Protocol Independent Destination Cache (aka DST) in some situations involving transmission of an ICMP Host Unreachable message, which allows remote attackers to cause a denial of service (connectivity outage) by sending a large series of packets to many destination IP addresses within this REJECT route, related to an "rt_cache leak."
Published 2009-03-12 15:20:50
Updated 2023-02-13 02:19:42
Source Red Hat, Inc.
View at NVD,   CVE.org
Vulnerability category: Denial of service

Threat overview for CVE-2009-0778

Top countries where our scanners detected CVE-2009-0778
Top open port discovered on systems with this issue 52869
IPs affected by CVE-2009-0778 220,199
Threat actors abusing to this issue? Yes
Find out if you* are affected by CVE-2009-0778!
*Directly or indirectly through your vendors, service providers and 3rd parties. Powered by attack surface intelligence from SecurityScorecard.

Exploit prediction scoring system (EPSS) score for CVE-2009-0778

Probability of exploitation activity in the next 30 days: 1.37%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 85 % EPSS Score History EPSS FAQ

CVSS scores for CVE-2009-0778

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source
7.1
 HIGH AV:N/AC:M/Au:N/C:N/I:N/A:C
8.6
6.9
 NIST

Vendor statements for CVE-2009-0778

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