Null pointer dereference in Linux kernel



Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2005-3274
CWE-ID CWE-476
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) Null pointer dereference

EUVDB-ID: #VU95761

Risk: Low

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

CVE-ID: CVE-2005-3274

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

Race condition in ip_vs_conn_flush in Linux 2.6 before 2.6.13 and 2.4 before 2.4.32-pre2, when running on SMP systems, allows local users to cause a denial of service (null dereference) by causing a connection timer to expire while the connection table is being flushed before the appropriate lock is acquired.

Mitigation

Install update from vendor's repository.

Vulnerable software versions

Linux kernel: All versions

CPE2.3 External links

https://lkml.org/lkml/2005/6/23/249
https://lkml.org/lkml/2005/6/24/173
https://www.securityfocus.com/bid/15528
https://www.debian.org/security/2005/dsa-922
https://secunia.com/advisories/18056
https://www.redhat.com/support/errata/RHSA-2006-0190.html
https://secunia.com/advisories/18684
https://wwwnew.mandriva.com/security/advisories?name=MDKSA-2006:044
https://secunia.com/advisories/18977
https://secunia.com/advisories/17826
https://www.redhat.com/support/errata/RHSA-2005-663.html
https://www.mandriva.com/security/advisories?name=MDKSA-2005:218
https://www.mandriva.com/security/advisories?name=MDKSA-2005:235
https://www.mandriva.com/security/advisories?name=MDKSA-2005:220
https://www.mandriva.com/security/advisories?name=MDKSA-2005:219
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11723
https://usn.ubuntu.com/219-1/
https://www.securityfocus.com/archive/1/427981/100/0/threaded
https://www.securityfocus.com/archive/1/427980/100/0/threaded
https://www.kernel.org/git/?p=linux/kernel/git/marcelo/linux-2.4.git%3Ba=commit%3Bh=e684f066dff5628bb61ad1912de6e8058b5b4c7d


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.



###SIDEBAR###