CVE-2010-4161

Severity: medium (CVSS 4.9 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2010-12-30 · updated 2026-06-16
Weakness: CWE-399

Description

The udp_queue_rcv_skb function in net/ipv4/udp.c in a certain Red Hat build of the Linux kernel 2.6.18 in Red Hat Enterprise Linux (RHEL) 5 allows attackers to cause a denial of service (deadlock and system hang) by sending UDP traffic to a socket that has a crafted socket filter, a related issue to CVE-2010-4158.

Affected products

Linux kernel: 2.6.18
Red Hat Enterprise Linux: 5

References

http://secunia.com/advisories/42789
http://secunia.com/advisories/46397
http://www.redhat.com/support/errata/RHSA-2011-0004.html
http://www.securityfocus.com/archive/1/514845
http://www.securityfocus.com/archive/1/520102/100/0/threaded
http://www.spinics.net/lists/netdev/msg146404.html
http://www.vmware.com/security/advisories/VMSA-2011-0012.html
http://www.vupen.com/english/advisories/2011/0024
https://bugzilla.redhat.com/show_bug.cgi?id=651698
https://bugzilla.redhat.com/show_bug.cgi?id=652534
https://exchange.xforce.ibmcloud.com/vulnerabilities/64497
http://secunia.com/advisories/42789

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