#VU94785 Memory corruption in Linux kernel - CVE-2007-2878
Vulnerability identifier: #VU94785
Vulnerability risk: Low
CVSSv4.0: 5.4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P/U:Clear]
CVE-ID:
CWE-ID:
CWE-119
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 perform a denial of service (DoS) attack.
The VFAT compat ioctls in the Linux kernel before 2.6.21.2, when run on a 64-bit system, allow local users to corrupt a kernel_dirent struct and cause a denial of service (system crash) via unknown vectors.
Mitigation
Install update from vendor's repository.
Vulnerable software versions
Linux kernel: All versions
External links
https://osvdb.org/35926
https://secunia.com/advisories/25505
https://secunia.com/advisories/26133
https://secunia.com/advisories/26139
https://secunia.com/advisories/26760
https://secunia.com/advisories/27436
https://secunia.com/advisories/27747
https://secunia.com/advisories/28626
https://support.avaya.com/elmodocs2/security/ASA-2007-474.htm
https://www.debian.org/security/2008/dsa-1479
https://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.21.2
https://www.redhat.com/support/errata/RHSA-2007-0705.html
https://www.redhat.com/support/errata/RHSA-2007-0939.html
https://www.securityfocus.com/bid/24134
https://www.ubuntu.com/usn/usn-486-1
https://www.ubuntu.com/usn/usn-489-1
https://www.ubuntu.com/usn/usn-510-1
https://www.vupen.com/english/advisories/2007/2023
https://exchange.xforce.ibmcloud.com/vulnerabilities/34669
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11674
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.
