CVE-2015-8543

High

Description

The networking implementation in the Linux kernel through 4.3.3, as used in Android and other products, does not validate protocol identifiers for certain protocol families, which allows local users to cause a denial of service (NULL function pointer dereference and system crash) or possibly gain privileges by leveraging CLONE_NEWUSER support to execute a crafted SOCK_RAW application.

SeverityHigh
CVSS7.0
Exploit probability—
ProductLinux Kernel
PublishedDec 28, 2015
First seenDec 28, 2015

How to fix

Update
  • linux linux_kernel3.2.75, 3.4.111, 3.10.95, 3.12.52, 3.14.59, 3.16.35, 3.18.26, 4.1.16, 4.3.4 or later

Affected products

ProductAffected versionsFixed in
linux linux_kernelv < 3.2.75, 3.3 ≤ v < 3.4.111, 3.5 ≤ v < 3.10.95, 3.11 ≤ v < 3.12.52, 3.13 ≤ v < 3.14.59, 3.15 ≤ v < 3.16.35, 3.17 ≤ v < 3.18.26, 3.19 ≤ v < 4.1.16, 4.2 ≤ v < 4.3.43.2.75, 3.4.111, 3.10.95, 3.12.52, 3.14.59, 3.16.35, 3.18.26, 4.1.16, 4.3.4

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CVE-2015-8543 · Linux Kernel · Dark Radar