#VU99732 Integer overflow in Linux kernel - CVE-2005-0736

Vulnerability identifier: #VU99732

Vulnerability risk: Low

CVSSv4.0: 1.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P/U:Clear]

CVE-ID: CVE-2005-0736

CWE-ID: CWE-190

Exploitation vector: Local

Exploit availability: Yes

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

Vendor: Linux Foundation

Description

The vulnerability allows a local user to corrupt data.

Integer overflow in sys_epoll_wait in eventpoll.c for Linux kernel 2.6 to 2.6.11 allows local users to overwrite kernel memory via a large number of events.

Mitigation
Install update from vendor's repository.

Vulnerable software versions

Linux kernel: All versions

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External links
https://linux.bkbits.net:8080/linux-2.6/cset@422dd06a1p5PsyFhoGAJseinjEq3ew?nav=index.html|ChangeSet@-1d
https://lists.grok.org.uk/pipermail/full-disclosure/2005-March/032314.html
https://www.novell.com/linux/security/advisories/2005_18_kernel.html
https://www.redhat.com/support/errata/RHSA-2005-293.html
https://www.redhat.com/support/errata/RHSA-2005-366.html
https://www.securityfocus.com/bid/12763
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9870
https://usn.ubuntu.com/95-1/

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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. However, proof of concept for this vulnerability is available.