CVE-2013-6382 Memory corruption in n/a

Medium 4.0 Published Updated

Local attackers with CAP_SYS_ADMIN can trigger buffer underflows in XFS ioctls, causing memory corruption and denial of service.

Exploited in the wild
Not known
Login needed
An administrator
Attackable
Local or same network only
Victim action needed
Not needed
Fix
Available

What is CVE-2013-6382?

CVE-2013-6382 is a medium-severity memory corruption vulnerability in Linux kernel, published on 27 Nov 2013. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Multiple buffer underflows in the XFS implementation in the Linux kernel through 3.12.1 allow local users to cause a denial of service (memory corruption) or possibly have unspecified other impact by leveraging the CAP_SYS_ADMIN capability for a (1) XFS_IOC_ATTRLIST_BY_HANDLE or (2) XFS_IOC_ATTRLIST_BY_HANDLE_32 ioctl call with a crafted length value, related to the xfs_attrlist_by_handle function in fs/xfs/xfs_ioctl.c and the xfs_compat_attrlist_by_handle function in fs/xfs/xfs_ioctl32.c.

Weakness: CWE-119

Which versions are affected by CVE-2013-6382?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2013-6382?

Apply the vendor's patch.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2013-6382 being exploited?

There is no known exploitation of CVE-2013-6382 in the wild and no public exploit code.

All Linux kernel vulnerabilities

Sources

Also known as DEBIAN-CVE-2013-6382, GHSA-q75g-mf48-c9pw.

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