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Fencer Intel
medium 4.9

CVE-2010-4161 json

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…

published 15y ago modified 4mo ago also EUVD-2010-4137

cvss
4.9
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.5%
EPSS 0.5% chance of exploitation in 30 days, percentile 43%
public exploits
0
none known

Summary

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.

Patch / fix

  • kernel RHEL 5 2.6.18-194.32.1.el5
  • kernel-PAE RHEL 5 2.6.18-194.32.1.el5
  • kernel-xen RHEL 5 2.6.18-194.32.1.el5
  • kernel-kdump RHEL 5 2.6.18-194.32.1.el5
  • kernel-debuginfo-common RHEL 5 2.6.18-194.32.1.el5

red hat advisories RHSA-2011:0004

Is CVE-2010-4161 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2010-4161 updated cvss 4.9

kernel: rhel5 commit 6865201191 caused deadlock

  • Red Hat Enterprise Linux (v. 5 server) kernel 2.6.18-194.32.1.el5, kernel-PAE 2.6.18-194.32.1.el5, kernel-xen 2.6.18-194.32.1.el5, kernel-kdump 2.6.18-194.32.1.el5, kernel-debuginfo-common 2.6.18-194.32.1.el5 Red Hat Enterprise Linux Desktop (v. 5 client) kernel 2.6.18-194.32.1.el5, kernel-PAE 2.6.18-194.32.1.el5, kernel-xen 2.6.18-194.32.1.el5, kernel-kdump 2.6.18-194.32.1.el5, kernel-debuginfo-common 2.6.18-194.32.1.el5
    fixed: vendor fix RHSA-2011:0004

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

0.51% chance of exploitation in the next 30 days, higher than 43% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • securityfocus.com http://www.securityfocus.com/archive/1/514845 referenced PoC, tagged "exploit" by a source, unverified
  • bugzilla.redhat.com https://bugzilla.redhat.com/show_bug.cgi?id=652534 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 4.9 AV:L/AC:L/Au:N/C:N/I:N/A:C

Classification

Weakness
  • CWE-399 Resource Management Errors
Technology feeds

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.