SB2015101907 - Improper input validation in Linux kernel ext4
Published: October 19, 2015
Security Bulletin ID
SB2015101907
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Improper input validation (CVE-ID: CVE-2015-0275)
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 ext4_zero_range() function in fs/ext4/extents.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
References
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=0f2af21aae11972fa924374ddcf52e88347cf5a8
- http://rhn.redhat.com/errata/RHSA-2015-1778.html
- http://rhn.redhat.com/errata/RHSA-2015-1787.html
- http://www.openwall.com/lists/oss-security/2015/02/23/14
- http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html
- http://www.securityfocus.com/bid/75139
- http://www.securitytracker.com/id/1034454
- http://www.spinics.net/lists/linux-ext4/msg47193.html
- https://bugzilla.redhat.com/show_bug.cgi?id=1193907
- https://github.com/torvalds/linux/commit/0f2af21aae11972fa924374ddcf52e88347cf5a8
- https://support.f5.com/csp/article/K05211147