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7.8
CVSSv2

CVE-2009-4272

Published: 27/01/2010 Updated: 15/02/2024
CVSS v2 Base Score: 7.8 | Impact Score: 6.9 | Exploitability Score: 10
CVSS v3 Base Score: 7.5 | Impact Score: 3.6 | Exploitability Score: 3.9
VMScore: 694
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C
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Vulnerability Summary

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 malicious users to cause a denial of service (deadlock) via crafted packets that force collisions in the IPv4 routing hash table, and trigger a routing "emergency" in which a hash chain is too long. NOTE: this is related to an issue in the Linux kernel prior to 2.6.31, when the kernel routing cache is disabled, involving an uninitialized pointer and a panic.

Vulnerability Trend

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linux linux_kernel 2.6.18

redhat enterprise linux server 5.0

redhat enterprise linux workstation 5.0

redhat enterprise linux desktop 5.0

redhat enterprise linux eus 5.4

redhat virtualization 5.0

Vendor Advisories

Red Hat: Important: kernel security and bug fix update
Synopsis Important: kernel security and bug fix update Type/Severity Security Advisory: Important Topic Updated kernel packages that fix multiple security issues and several bugsare now available for Red Hat Enterprise Linux 5This update has been rated as having important security impact by the RedHat Secu ...

References

CWE-667http://www.openwall.com/lists/oss-security/2010/01/20/1https://bugzilla.redhat.com/show_bug.cgi?id=545411https://rhn.redhat.com/errata/RHSA-2010-0046.htmlhttp://www.openwall.com/lists/oss-security/2010/01/20/6http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.31https://rhn.redhat.com/errata/RHSA-2010-0095.htmlhttp://support.avaya.com/css/P8/documents/100073666https://exchange.xforce.ibmcloud.com/vulnerabilities/55808https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7026https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11167http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=73e42897e8e5619eacb787d2ce69be12f47cfc21http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=b6280b47a7a42970d098a3059f4ebe7e55e90d8dhttps://access.redhat.com/errata/RHSA-2010:0046https://nvd.nist.gov
CVSSv2
CVSSv2
CVSSv3
VMScore
Recommendations:
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