CVE-2013-4348
kernel: net: deadloop path in skb_flow_dissect()
Severity
ImportantRed Hat Product Security
CVSS 2.0
Review impact separately from score.
Published · October 31, 2013
Updated · June 27, 2026
Description
The skb_flow_dissect function in net/core/flow_dissector.c in the Linux kernel through 3.12 allows remote attackers to cause a denial of service (infinite loop) via a small value in the IHL field of a packet with IPIP encapsulation.
Statement
This issue does not affect Linux kernel packages as shipped with Red Hat Enterprise Linux 5 and 6. Future Linux kernel updates for Red Hat Enterprise Linux MRG 2 might address this issue.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 2.0 · 7.1AV:N/AC:M/Au:N/C:N/I:N/A:C
CWE-835 · Loop with Unreachable Exit Condition ('Infinite Loop')