#VU92632 Concurrent execution using shared resource with improper synchronization ('race condition') in Linux kernel - CVE-2009-4027

Vulnerability identifier: #VU92632

Vulnerability risk: Low

CVSSv4.0: 6.6 [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:Clear]

CVE-ID: CVE-2009-4027

CWE-ID: CWE-362

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Linux kernel
Operating systems & Components / Operating system

Vendor: Linux Foundation

Description

The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to concurrent execution using shared resource with improper synchronization ('race condition') error. A remote non-authenticated attacker can perform a denial of service (DoS) attack.

Mitigation
Install update from vendor's repository.

Vulnerable software versions

Linux kernel: All versions

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External links
https://www.kernel.org/pub/linux/kernel/v2.6/next/patch-v2.6.32-rc8-next-20091201.gz
https://bugzilla.redhat.com/show_bug.cgi?id=541149
https://www.securityfocus.com/bid/37170
https://secunia.com/advisories/38017
https://lists.opensuse.org/opensuse-security-announce/2010-01/msg00000.html
https://www.debian.org/security/2010/dsa-1996
https://secunia.com/advisories/38492
https://www.ubuntu.com/usn/usn-864-1
https://www.redhat.com/support/errata/RHSA-2010-0380.html
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11583
https://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=827d42c9ac91ddd728e4f4a31fefb906ef2ceff7

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.