Improper locking in Linux kernel - CVE-2009-4272
Published: June 4, 2024
Vulnerability identifier: #VU90977
CSH Severity: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2009-4272
CWE-ID: CWE-667
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
Description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The
vulnerability exists due to improper locking when handling crafted
packets that force collisions in the IPv4 routing hash table in
net/ipv4/route.c. A remote attacker can send specially crafted packets
to the system and perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
External links
- http://www.openwall.com/lists/oss-security/2010/01/20/1
- https://bugzilla.redhat.com/show_bug.cgi?id=545411
- https://rhn.redhat.com/errata/RHSA-2010-0046.html
- http://www.openwall.com/lists/oss-security/2010/01/20/6
- http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.31
- https://rhn.redhat.com/errata/RHSA-2010-0095.html
- http://support.avaya.com/css/P8/documents/100073666
- https://exchange.xforce.ibmcloud.com/vulnerabilities/55808
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7026
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11167
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=73e42897e8e5619eacb787d2ce69be12f47cfc21
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=b6280b47a7a42970d098a3059f4ebe7e55e90d8d