SB2013060804 - Buffer overflow in Linux kernel
Published: June 8, 2013 Updated: August 11, 2020
Security Bulletin ID
SB2013060804
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Buffer overflow (CVE-ID: CVE-2011-4098)
The vulnerability allows a remote non-authenticated attacker to perform service disruption.
The fallocate implementation in the GFS2 filesystem in the Linux kernel before 3.2 relies on the page cache, which might allow local users to cause a denial of service by preallocating blocks in certain situations involving insufficient memory.
Remediation
Install update from vendor's website.
References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=64dd153c83743af81f20924c6343652d731eeecb
- http://www.kernel.org/pub/linux/kernel/v3.x/patch-3.2.bz2
- https://github.com/torvalds/linux/commit/64dd153c83743af81f20924c6343652d731eeecb
- https://oss.oracle.com/git/?p=redpatch.git;a=commit;h=fadca7bdc43b02f518585d9547019966415cadfd
- https://www.redhat.com/archives/cluster-devel/2011-September/msg00064.html