Resource exhaustion in Linux kernel - CVE-2013-2128
Published: June 7, 2013 / Updated: August 11, 2020
Vulnerability identifier: #VU42797
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2013-2128
CWE-ID: CWE-400
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability description
The vulnerability allows a local authenticated user to perform a denial of service (DoS) attack.
The tcp_read_sock function in net/ipv4/tcp.c in the Linux kernel before 2.6.34 does not properly manage skb consumption, which allows local users to cause a denial of service (system crash) via a crafted splice system call for a TCP socket.
How to mitigate CVE-2013-2128
Install update from vendor's website.
Sources
- http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.34
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=baff42ab1494528907bf4d5870359e31711746ae
- http://rhn.redhat.com/errata/RHSA-2013-1051.html
- http://www.openwall.com/lists/oss-security/2013/05/29/11
- https://bugzilla.redhat.com/show_bug.cgi?id=968484
- https://github.com/torvalds/linux/commit/baff42ab1494528907bf4d5870359e31711746ae