Is CVE-2015-5156 in the CISA KEV catalog?

No. CVE-2015-5156 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2015-5156?

CVE-2015-5156 has a CVSS v2 base score of 6.1 (MEDIUM).

What is the EPSS score for CVE-2015-5156?

CVE-2015-5156 has an EPSS score of 1.16% (63th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2015-5156?

Upgrade linux on debian 11 to 4.1.5-1 or later. Fixes are available for 26 affected products.

CVE & CISA-KEV Catalog

CVE-2015-5156

MEDIUM

6.1

CVSS v2

NVD

Description

The virtnet_probe function in drivers/net/virtio_net.c in the Linux kernel before 4.2 attempts to support a FRAGLIST feature without proper memory allocation, which allows guest OS users to cause a denial of service (buffer overflow and memory corruption) via a crafted sequence of fragmented packets.

CWE-119Buffer Overflow

How to fix

Remediation Available

linuxDebian

Fixed in:4.1.5-1CVE-2015-5156

linuxUbuntu

Fixed in:3.13.0-66.108USN-2776-1

linux-image-3.13.0-66-genericUbuntu

Fixed in:3.13.0-66.108USN-2776-1

linux-image-3.13.0-66-generic-lpaeUbuntu

Fixed in:3.13.0-66.108USN-2776-1

linux-image-3.13.0-66-lowlatencyUbuntu

Fixed in:3.13.0-66.108USN-2776-1

linux-image-3.13.0-66-powerpc-e500Ubuntu

Fixed in:3.13.0-66.108USN-2776-1

linux-image-3.13.0-66-powerpc-e500mcUbuntu

Fixed in:3.13.0-66.108USN-2776-1

linux-image-3.13.0-66-powerpc-smpUbuntu

Fixed in:3.13.0-66.108USN-2776-1

linux-image-3.13.0-66-powerpc64-embUbuntu

Fixed in:3.13.0-66.108USN-2776-1

linux-image-3.13.0-66-powerpc64-smpUbuntu

Fixed in:3.13.0-66.108USN-2776-1

linux-image-3.16.0-51-genericUbuntu

Fixed in:3.16.0-51.69~14.04.1USN-2777-1

linux-image-3.16.0-51-generic-lpaeUbuntu

Fixed in:3.16.0-51.69~14.04.1USN-2777-1

linux-image-3.16.0-51-lowlatencyUbuntu

Fixed in:3.16.0-51.69~14.04.1USN-2777-1

linux-image-3.16.0-51-powerpc-e500mcUbuntu

Fixed in:3.16.0-51.69~14.04.1USN-2777-1

linux-image-3.16.0-51-powerpc-smpUbuntu

Fixed in:3.16.0-51.69~14.04.1USN-2777-1

linux-image-3.16.0-51-powerpc64-embUbuntu

Fixed in:3.16.0-51.69~14.04.1USN-2777-1

linux-image-3.16.0-51-powerpc64-smpUbuntu

Fixed in:3.16.0-51.69~14.04.1USN-2777-1

linux-image-3.19.0-31-genericUbuntu

Fixed in:3.19.0-31.36~14.04.1USN-2778-1

linux-image-3.19.0-31-generic-lpaeUbuntu

Fixed in:3.19.0-31.36~14.04.1USN-2778-1

linux-image-3.19.0-31-lowlatencyUbuntu

Fixed in:3.19.0-31.36~14.04.1USN-2778-1

linux-image-3.19.0-31-powerpc-e500mcUbuntu

Fixed in:3.19.0-31.36~14.04.1USN-2778-1

linux-image-3.19.0-31-powerpc-smpUbuntu

Fixed in:3.19.0-31.36~14.04.1USN-2778-1

linux-image-3.19.0-31-powerpc64-embUbuntu

Fixed in:3.19.0-31.36~14.04.1USN-2778-1

linux-image-3.19.0-31-powerpc64-smpUbuntu

Fixed in:3.19.0-31.36~14.04.1USN-2778-1

linux-lts-utopicUbuntu

Fixed in:3.16.0-51.69~14.04.1USN-2777-1

linux-lts-vividUbuntu

Fixed in:3.19.0-31.36~14.04.1USN-2778-1

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

1.16%probability of exploitation in 30 days

63rdpercentile

Moderate risk: more likely to be exploited than 63% of all known CVEs.

References

Other references18

Related Vulnerabilities

Other CWE-119 (Buffer Overflow) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-4966	Critical	9.4	100%	KEV + Ransom	Fix
CVE-2017-11882	High	7.8	100%	KEV + Ransom	-
CVE-2020-0796	Critical	10.0	100%	KEV + Ransom	-
CVE-2008-4250	Critical	9.8	99%	KEV	-
CVE-2017-15944	Critical	9.8	98%	KEV	Fix
CVE-2015-0014	High	10.0	97%	-	-

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-06.