SB2014021505 - Resource management error in Linux kernel
Published: February 15, 2014 Updated: August 10, 2020
Security Bulletin ID
SB2014021505
Severity
Medium
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) Resource management error (CVE-ID: CVE-2012-6638)
The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.
The tcp_rcv_state_process function in net/ipv4/tcp_input.c in the Linux kernel before 3.2.24 allows remote attackers to cause a denial of service (kernel resource consumption) via a flood of SYN+FIN TCP packets, a different vulnerability than CVE-2012-2663.
Remediation
Install update from vendor's website.
References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=fdf5af0daf8019cec2396cdef8fb042d80fe71fa
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.2.24
- https://bugzilla.redhat.com/show_bug.cgi?id=826702
- https://github.com/torvalds/linux/commit/fdf5af0daf8019cec2396cdef8fb042d80fe71fa