CVE-2015-4036 Memory corruption in n/a

High 7.2 Published Updated

Guest OS users can trigger memory corruption and denial of service via a crafted ioctl call in the Linux kernel vhost SCSI driver.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
Available

What is CVE-2015-4036?

CVE-2015-4036 is a high-severity memory corruption vulnerability in Linux kernel, published on 31 Aug 2015. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Array index error in the tcm_vhost_make_tpg function in drivers/vhost/scsi.c in the Linux kernel before 4.0 might allow guest OS users to cause a denial of service (memory corruption) or possibly have unspecified other impact via a crafted VHOST_SCSI_SET_ENDPOINT ioctl call. NOTE: the affected function was renamed to vhost_scsi_make_tpg before the vulnerability was announced.

Weakness: CWE-119

Which versions are affected by CVE-2015-4036?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2015-4036?

Upgrade to a fixed version.

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

Is CVE-2015-4036 being exploited?

There is no known exploitation of CVE-2015-4036 in the wild and no public exploit code.

All Linux kernel vulnerabilities

Sources

Also known as DEBIAN-CVE-2015-4036, GHSA-f533-g6c5-65cx, MGASA-2015-0236, MGASA-2015-0237, MGASA-2015-0238, UBUNTU-CVE-2015-4036.

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