Vulnerability 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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | <= 4.2.2 |
References
- http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00005.html
- http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00018.html
- http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00026.html
- http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00031.html
- http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00015.html
- http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00038.html
- http://lists.opensuse.org/opensuse-updates/2015-12/msg00039.html
- http://www.debian.org/security/2015/dsa-3426
- http://www.openwall.com/lists/oss-security/2015/10/10/3
- http://www.securityfocus.com/bid/77033
- http://www.securitytracker.com/id/1033809
- http://www.ubuntu.com/usn/USN-2841-1
- http://www.ubuntu.com/usn/USN-2841-2
- http://www.ubuntu.com/usn/USN-2842-1
- http://www.ubuntu.com/usn/USN-2842-2
FAQ
What is CVE-2015-7799?
CVE-2015-7799 is a vulnerability with a CVSS score of 4.9 (MEDIUM). 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 poi...
How severe is CVE-2015-7799?
CVE-2015-7799 has been rated MEDIUM with a CVSS base score of 4.9/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2015-7799?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.