Is CVE-2015-7799 in the CISA KEV catalog?

No. CVE-2015-7799 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2015-7799?

CVE-2015-7799 has a CVSS v2 base score of 4.9 (MEDIUM).

What is the EPSS score for CVE-2015-7799?

CVE-2015-7799 has an EPSS score of 0.65% (46th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2015-7799?

Upgrade linux on debian 11 to 4.2.6-2 or later. Fixes are available for 34 affected products.

CVE & CISA-KEV Catalog

CVE-2015-7799

MEDIUM

4.9

CVSS v2

NVD

Description

The slhc_init function in drivers/net/slip/slhc.c in the Linux kernel through 4.2.3 does not ensure that certain slot numbers are valid, which allows local users to cause a denial of service (NULL pointer dereference and system crash) via a crafted PPPIOCSMAXCID ioctl call.

How to fix

Remediation Available

linuxDebian

Fixed in:4.2.6-2CVE-2015-7799

linuxUbuntu

Fixed in:3.13.0-73.116USN-2841-1

linux-image-3.13.0-73-genericUbuntu

Fixed in:3.13.0-73.116USN-2841-1

linux-image-3.13.0-73-generic-lpaeUbuntu

Fixed in:3.13.0-73.116USN-2841-1

linux-image-3.13.0-73-lowlatencyUbuntu

Fixed in:3.13.0-73.116USN-2841-1

linux-image-3.13.0-73-powerpc-e500Ubuntu

Fixed in:3.13.0-73.116USN-2841-1

linux-image-3.13.0-73-powerpc-e500mcUbuntu

Fixed in:3.13.0-73.116USN-2841-1

linux-image-3.13.0-73-powerpc-smpUbuntu

Fixed in:3.13.0-73.116USN-2841-1

linux-image-3.13.0-73-powerpc64-embUbuntu

Fixed in:3.13.0-73.116USN-2841-1

linux-image-3.13.0-73-powerpc64-smpUbuntu

Fixed in:3.13.0-73.116USN-2841-1

linux-image-3.16.0-56-genericUbuntu

Fixed in:3.16.0-56.75~14.04.1USN-2844-1

linux-image-3.16.0-56-generic-lpaeUbuntu

Fixed in:3.16.0-56.75~14.04.1USN-2844-1

linux-image-3.16.0-56-lowlatencyUbuntu

Fixed in:3.16.0-56.75~14.04.1USN-2844-1

linux-image-3.16.0-56-powerpc-e500mcUbuntu

Fixed in:3.16.0-56.75~14.04.1USN-2844-1

linux-image-3.16.0-56-powerpc-smpUbuntu

Fixed in:3.16.0-56.75~14.04.1USN-2844-1

linux-image-3.16.0-56-powerpc64-embUbuntu

Fixed in:3.16.0-56.75~14.04.1USN-2844-1

linux-image-3.16.0-56-powerpc64-smpUbuntu

Fixed in:3.16.0-56.75~14.04.1USN-2844-1

linux-image-3.19.0-41-genericUbuntu

Fixed in:3.19.0-41.46~14.04.2USN-2842-2

linux-image-3.19.0-41-generic-lpaeUbuntu

Fixed in:3.19.0-41.46~14.04.2USN-2842-2

linux-image-3.19.0-41-lowlatencyUbuntu

Fixed in:3.19.0-41.46~14.04.2USN-2842-2

linux-image-3.19.0-41-powerpc-e500mcUbuntu

Fixed in:3.19.0-41.46~14.04.2USN-2842-2

linux-image-3.19.0-41-powerpc-smpUbuntu

Fixed in:3.19.0-41.46~14.04.2USN-2842-2

linux-image-3.19.0-41-powerpc64-embUbuntu

Fixed in:3.19.0-41.46~14.04.2USN-2842-2

linux-image-3.19.0-41-powerpc64-smpUbuntu

Fixed in:3.19.0-41.46~14.04.2USN-2842-2

linux-image-4.2.0-21-genericUbuntu

Fixed in:4.2.0-21.25~14.04.1USN-2843-2

linux-image-4.2.0-21-generic-lpaeUbuntu

Fixed in:4.2.0-21.25~14.04.1USN-2843-2

linux-image-4.2.0-21-lowlatencyUbuntu

Fixed in:4.2.0-21.25~14.04.1USN-2843-2

linux-image-4.2.0-21-powerpc-e500mcUbuntu

Fixed in:4.2.0-21.25~14.04.1USN-2843-2

linux-image-4.2.0-21-powerpc-smpUbuntu

Fixed in:4.2.0-21.25~14.04.1USN-2843-2

linux-image-4.2.0-21-powerpc64-embUbuntu

Fixed in:4.2.0-21.25~14.04.1USN-2843-2

linux-image-4.2.0-21-powerpc64-smpUbuntu

Fixed in:4.2.0-21.25~14.04.1USN-2843-2

linux-lts-utopicUbuntu

Fixed in:3.16.0-56.75~14.04.1USN-2844-1

linux-lts-vividUbuntu

Fixed in:3.19.0-41.46~14.04.2USN-2842-2

linux-lts-wilyUbuntu

Fixed in:4.2.0-21.25~14.04.1USN-2843-2

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

0.65%probability of exploitation in 30 days

46thpercentile

Moderate risk: more likely to be exploited than 46% of all known CVEs.

References

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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.