Input validation error in Linux kernel - CVE-2011-4324
Published: June 22, 2012 / Updated: August 11, 2020
Vulnerability identifier: #VU43956
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2011-4324
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability description
The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.
The encode_share_access function in fs/nfs/nfs4xdr.c in the Linux kernel before 2.6.29 allows local users to cause a denial of service (BUG and system crash) by using the mknod system call with a pathname on an NFSv4 filesystem.
How to mitigate CVE-2011-4324
Install update from vendor's website.
Sources
- http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.29
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=dc0b027dfadfcb8a5504f7d8052754bf8d501ab9
- http://www.openwall.com/lists/oss-security/2012/02/06/3
- https://bugzilla.redhat.com/show_bug.cgi?id=755440
- https://github.com/torvalds/linux/commit/dc0b027dfadfcb8a5504f7d8052754bf8d501ab9