#VU99932 Integer underflow in Linux kernel - CVE-2005-0750

Vulnerability identifier: #VU99932

Vulnerability risk: Low

CVSSv4.0: 7.1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Clear]

CVE-ID: CVE-2005-0750

CWE-ID: CWE-191

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 execute arbitrary code.

The bluez_sock_create function in the Bluetooth stack for Linux kernel 2.4.6 through 2.4.30-rc1 and 2.6 through 2.6.11.5 allows local users to gain privileges via (1) socket or (2) socketpair call with a negative protocol value.

Mitigation
Install update from vendor's repository.

Vulnerable software versions

Linux kernel: All versions

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External links
https://lists.grok.org.uk/pipermail/full-disclosure/2005-March/032913.html
https://marc.info/?l=bugtraq&m=111204562102633&w=2
https://www.redhat.com/support/errata/RHSA-2005-283.html
https://www.redhat.com/support/errata/RHSA-2005-284.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/12911
https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=152532
https://exchange.xforce.ibmcloud.com/vulnerabilities/19844
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11719

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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.