Improper input validation in Linux kernel - CVE-2009-1336

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Main Vulnerability Database Vulnerabilities #VU92670

Improper input validation in Linux kernel - CVE-2009-1336

Published: April 22, 2009 / Updated: October 10, 2018


Vulnerability identifier: #VU92670
CSH Severity: Low
CVSS v4.0: 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:U/U:Clear
CVE-ID: CVE-2009-1336
CWE-ID: CWE-20
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel

Detailed vulnerability description

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

The vulnerability exists due to improper input validation error within the nfs_readdir_lookup() function in fs/nfs/dir.c, within the nfs_init_server(), nfs_create_server(), nfs4_create_server(), nfs4_create_referral_server() and nfs_clone_server() functions in fs/nfs/client.c. A local user can perform a denial of service (DoS) attack.


How to mitigate CVE-2009-1336

Install update from vendor's repository.

Sources