Permissions, privileges, and access controls in Linux kernel - CVE-2009-3286

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Main Vulnerability Database Vulnerabilities #VU92654

Permissions, privileges, and access controls in Linux kernel - CVE-2009-3286

Published: September 22, 2009 / Updated: September 19, 2017


Vulnerability identifier: #VU92654
CSH Severity: Low
CVSS v4: 4.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2009-3286
CWE-ID: CWE-264
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a local user to read and manipulate data.

The vulnerability exists due to security restrictions bypass error within the nfsd_create_v3() function in fs/nfsd/vfs.c, within the do_open_lookup() function in fs/nfsd/nfs4proc.c, within the nfsd3_proc_create() function in fs/nfsd/nfs3proc.c. A local user can read and manipulate data.


Affected software

Linux kernel
Ubuntu
linux-source-2.6.15 (Ubuntu package)
linux (Ubuntu package)

How to mitigate CVE-2009-3286

Install update from vendor's repository.

linux-source-2.6.15 (Ubuntu package) - update to 2.6.15-55.80
linux (Ubuntu package) - addressed in versions 2.6.24-25.63, 2.6.27-15.43, 2.6.28-16.55

External References

Related Security Bulletins