SB2015032101 - Fedora 21 update for kernel



SB2015032101 - Fedora 21 update for kernel

Published: March 21, 2015 Updated: April 24, 2025

Security Bulletin ID SB2015032101
Severity
Low
Patch available
YES
Number of vulnerabilities 3
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 3 secuirty vulnerabilities.


1) Memory corruption (CVE-ID: CVE-2015-2666)

The vulnerability allows a local user to execute arbitrary code.

The vulnerability exists due to memory corruption error. A local user can execute arbitrary code.


2) Improper input validation (CVE-ID: CVE-2015-2672)

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to improper input validation error within the arch/x86/include/asm/xsave.h. A local user can perform a denial of service (DoS) attack.


3) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2015-2686)

The vulnerability allows a local authenticated user to execute arbitrary code.

net/socket.c in the Linux kernel 3.19 before 3.19.3 does not validate certain range data for (1) sendto and (2) recvfrom system calls, which allows local users to gain privileges by leveraging a subsystem that uses the copy_from_iter function in the iov_iter interface, as demonstrated by the Bluetooth subsystem.


Remediation

Install update from vendor's website.