Memory leak in Linux kernel



| Updated: 2024-05-31
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2009-2903
CWE-ID CWE-401
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Linux kernel
Operating systems & Components / Operating system

Vendor Linux Foundation

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Memory leak

EUVDB-ID: #VU90499

Risk: Medium

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:Green]

CVE-ID: CVE-2009-2903

CWE-ID: CWE-401 - Missing release of memory after effective lifetime

Exploit availability: No

Description

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

The vulnerability exists due to memory leak when handling IP tunnelled over DDP datagrams. A remote attacker can perform a denial of service attack.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Linux kernel: 2.4.0 - 2.4.37.6

CPE2.3 External links

https://www.securityfocus.com/bid/36379
https://secunia.com/advisories/36707
https://www.openwall.com/lists/oss-security/2009/09/14/1
https://www.openwall.com/lists/oss-security/2009/09/14/2
https://bugzilla.redhat.com/show_bug.cgi?id=522331
https://www.openwall.com/lists/oss-security/2009/09/17/11
https://lists.opensuse.org/opensuse-security-announce/2009-12/msg00002.html
https://www.mandriva.com/security/advisories?name=MDVSA-2009:329
https://secunia.com/advisories/37909
https://lists.opensuse.org/opensuse-security-announce/2009-12/msg00005.html
https://lists.opensuse.org/opensuse-security-announce/2010-02/msg00005.html
https://lists.opensuse.org/opensuse-security-announce/2010-02/msg00007.html
https://secunia.com/advisories/37105
https://www.ubuntu.com/usn/USN-852-1
https://git.kernel.org/?p=linux/kernel/git/davem/net-next-2.6.git%3Ba=commit%3Bh=ffcfb8db540ff879c2a85bf7e404954281443414


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.



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