Missing release of memory after effective lifetime in Linux kernel



Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2006-1859
CWE-ID CWE-401
Exploitation vector Local
Public exploit N/A
Vulnerable software
 Linux kernel
Operating systems & Components / Operating system

Vendor Linux Foundation

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Missing release of memory after effective lifetime

EUVDB-ID: #VU95463

Risk: Low

CVSSv4.0: 1.1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2006-1859

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

Exploit availability: No

Description

The vulnerability allows a local user to perform service disruption.

Memory leak in __setlease in fs/locks.c in Linux kernel before 2.6.16.16 allows attackers to cause a denial of service (memory consumption) via unspecified actions related to an 'uninitialised return value,' aka 'slab leak.'

Mitigation

Install update from vendor's repository.

Vulnerable software versions

Linux kernel: All versions

CPE2.3 External links

https://secunia.com/advisories/20083
https://secunia.com/advisories/20716
https://secunia.com/advisories/21045
https://secunia.com/advisories/21179
https://www.kernel.org/git/?p=linux/kernel/git/stable/linux-2.6.16.y.git;a=blobdiff;h=aa7f66091823dde953e15895dc427615701c39c7;hp=e75ac392a313f3fad823bf2e46a03f29701e3e34;hb=1f0e637c94a9b041833947c79110d6c02fff8618;f=fs/locks.c
https://www.kernel.org/git/?p=linux/kernel/git/stable/linux-2.6.16.y.git;a=commit;h=1f0e637c94a9b041833947c79110d6c02fff8618
https://www.mandriva.com/security/advisories?name=MDKSA-2006:123
https://www.novell.com/linux/security/advisories/2006_42_kernel.html
https://www.securityfocus.com/bid/18033
https://www.trustix.org/errata/2006/0028
https://www.ubuntu.com/usn/usn-302-1
https://www.vupen.com/english/advisories/2006/1767
https://exchange.xforce.ibmcloud.com/vulnerabilities/26438


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

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



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