Vulnerability in Linux Linux_kernel
CVE-2009-4272
A certain Red Hat patch for net/ipv4/route.c in the Linux kernel 2.6.18 on Red Hat Enterprise Linux (RHEL) 5 allows remote attackers to cause a denial of service (deadlock) via crafted packets that force collisions in the IPv4 routing hash…
EPSS: 0.018 (83.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Linux Linux_kernel — versions 2.6.18
- Redhat Enterprise_linux — versions 5.0
- Redhat Enterprise_linux_desktop — versions 5.0
- Redhat Enterprise_linux_eus — versions 5.4
- Redhat Enterprise_linux_server — versions 5.0
- Redhat Enterprise_linux_workstation — versions 5.0
- Redhat Virtualization — versions 5.0
- N/a — versions n/a
Weakness classification (CWE)
References
- secalert@redhat.com (x_refsource_CONFIRM, Broken Link)
- secalert@redhat.com (x_refsource_CONFIRM, Broken Link)
- secalert@redhat.com (x_refsource_CONFIRM, Third Party Advisory)
- secalert@redhat.com (x_refsource_CONFIRM, Broken Link)
- [oss-security] 20100120 CVE-2009-4272 kernel: emergency route cache flushing leads to node deadlock (mailing-list, x_refsource_MLIST, Mailing List)
- [oss-security] 20100120 Re: CVE-2009-4272 kernel: emergency route cache flushing leads to node deadlock (mailing-list, x_refsource_MLIST, Mailing List)
- secalert@redhat.com (x_refsource_CONFIRM, Exploit, Issue Tracking)
- linux-kernel-routing-dos(55808) (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_XF)
- oval:org.mitre.oval:def:11167 (Broken Link, signature, x_refsource_OVAL, vdb-entry)
- oval:org.mitre.oval:def:7026 (Broken Link, signature, x_refsource_OVAL, vdb-entry)
Frequently asked questions
- What is CVE-2009-4272?
- CVE-2009-4272 is a high-severity vulnerability in Linux Linux_kernel, classified under Improper Locking. CVSS score: 7.5/10. Published 2010-01-27.
- How severe is CVE-2009-4272?
- High severity. CVSS v3 base score is 7.5 out of 10.