What is CVE-2015-4036?

CVE-2015-4036 is a vulnerability in Linux Kernel, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. Published 2015-08-31.

Is CVE-2015-4036 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Linux Kernel

CVE-2015-4036

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.

Vulnerability class: Buffer Overflow

Published 2015-08-31 · last modified 2026-06-17.

CVSS v2 metric

CVSS v2 base score 7.2 (High). Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C. This CVE predates CVSS v3 and has no v3 score from NVD.

EPSS exploit prediction

EPSS: 0.006 (46.2th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 46th percentile — 46.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000

Affected products

Linux Kernel — versions 3.6

Weakness classification (CWE)

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer

Public proof-of-concept exploits

thdusdl1219/CVE-Study

References

www.ubuntu.com/usn/USN-2634-1 (vendor-advisory, Third Party Advisory)
www.securityfocus.com/bid/74664 (URL Repurposed, VDB Entry, vdb-entry)
git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/ (Third Party Advisory)
lists.opensuse.org/opensuse-security-announce/2015-07/msg00049.html (vendor-advisory, Third Party Advisory)
lists.opensuse.org/opensuse-security-announce/2015-08/msg00011.html (vendor-advisory, Third Party Advisory)
www.openwall.com/lists/oss-security/2015/05/13/4 (mailing-list, Exploit, Mailing List, Third Party Advisory)
github.com/torvalds/linux/commit/59c816c1f24df0204e01851431d3bab3eb76719c (Third Party Advisory)
bugzilla.redhat.com/show_bug.cgi (Third Party Advisory, Issue Tracking)
www.ubuntu.com/usn/USN-2633-1 (vendor-advisory, Third Party Advisory)
www.securitytracker.com/id/1033729 (URL Repurposed, vdb-entry)

Frequently asked questions

What is CVE-2015-4036?: CVE-2015-4036 is a vulnerability in Linux Kernel, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. Published 2015-08-31.
Is CVE-2015-4036 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.