CVE-2009-4272

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

11.05% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 95.5% of scored records. A rank, not a probability.

NVD base score

7.5 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

NVD analysis status

Modified. NVD last modified this record on 2026-06-16.

Red Hat severity

Important. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2010-01-27 17:00Z16 YR AGO

Last updated

2024-08-07 06:54Z2 YR AGO

Reserved

2009-12-10

Assigning CNA

redhat

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-667Improper LockingClass
• CWE-833DeadlockBase

Data version

5.1

Document digest

8d92473a77c8657a87ecebdfa4499f94491e5f34d55c8e80b0a98c78d65fab89

• bugzilla.redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=545411x_refsource_CONFIRM
• www.kernel.orghttp://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.31x_refsource_CONFIRM
• support.avaya.comhttp://support.avaya.com/css/P8/documents/100073666x_refsource_CONFIRM
• exchange.xforce.ibmcloud.comlinux-kernel-routing-dos(55808)https://exchange.xforce.ibmcloud.com/vulnerabilities/55808vdb-entryx_refsource_XF
• www.openwall.com[oss-security] 20100120 CVE-2009-4272 kernel: emergency route cache flushing leads to node deadlockhttp://www.openwall.com/lists/oss-security/2010/01/20/1mailing-listx_refsource_MLIST
• git.kernel.orghttp://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=b6280b47a7a42970d098a3059f4ebe7e55e90d8dx_refsource_CONFIRM
• oval.cisecurity.orgoval:org.mitre.oval:def:11167https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11167vdb-entrysignaturex_refsource_OVAL
• rhn.redhat.comRHSA-2010:0095https://rhn.redhat.com/errata/RHSA-2010-0095.htmlvendor-advisoryx_refsource_REDHAT
• oval.cisecurity.orgoval:org.mitre.oval:def:7026https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7026vdb-entrysignaturex_refsource_OVAL
• rhn.redhat.comRHSA-2010:0046https://rhn.redhat.com/errata/RHSA-2010-0046.htmlvendor-advisoryx_refsource_REDHAT
• www.openwall.com[oss-security] 20100120 Re: CVE-2009-4272 kernel: emergency route cache flushing leads to node deadlockhttp://www.openwall.com/lists/oss-security/2010/01/20/6mailing-listx_refsource_MLIST
• git.kernel.orghttp://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=73e42897e8e5619eacb787d2ce69be12f47cfc21x_refsource_CONFIRM