Memory leak in Linux kernel - CVE-2013-0217
Published: February 18, 2013 / Updated: August 11, 2020
Vulnerability identifier: #VU43088
CSH Severity: Low
CVSS v4: 6.8 [CVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2013-0217
CWE-ID: CWE-401
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within drivers/net/xen-netback/netback.c in the Xen netback functionality in the Linux kernel before 3.7.8 allows guest OS users to cause a denial of service (memory consumption) by triggering certain error conditions. A remote attacker can perform a denial of service attack.
Affected software
Linux kernel
Ubuntu
linux (Ubuntu package)
linux-lts-backport-oneiric (Ubuntu package)
linux-lts-quantal (Ubuntu package)
Ubuntu
linux (Ubuntu package)
linux-lts-backport-oneiric (Ubuntu package)
linux-lts-quantal (Ubuntu package)
How to mitigate CVE-2013-0217
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.
linux (Ubuntu package) - addressed in versions 3.0.0-32.50, 3.2.0-39.62, 3.5.0-26.42
linux-lts-backport-oneiric (Ubuntu package) - update to 3.0.0-32.50~lucid1
linux-lts-quantal (Ubuntu package) - update to 3.5.0-26.42~precise1
linux-lts-backport-oneiric (Ubuntu package) - update to 3.0.0-32.50~lucid1
linux-lts-quantal (Ubuntu package) - update to 3.5.0-26.42~precise1
External References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=7d5145d8eb2b9791533ffe4dc003b129b9696c48
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.7.8
- http://www.mandriva.com/security/advisories?name=MDVSA-2013:176
- http://www.openwall.com/lists/oss-security/2013/02/05/12
- https://bugzilla.redhat.com/show_bug.cgi?id=910883
- https://github.com/torvalds/linux/commit/7d5145d8eb2b9791533ffe4dc003b129b9696c48