CVE-2013-4588

Severity: high (CVSS 7.0 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2013-11-20 · updated 2026-06-16
Weakness: CWE-119

Description

Multiple stack-based buffer overflows in net/netfilter/ipvs/ip_vs_ctl.c in the Linux kernel before 2.6.33, when CONFIG_IP_VS is used, allow local users to gain privileges by leveraging the CAP_NET_ADMIN capability for (1) a getsockopt system call, related to the do_ip_vs_get_ctl function, or (2) a setsockopt system call, related to the do_ip_vs_set_ctl function.

Affected products

Canonical Ubuntu Linux: 10.04
Linux kernel: before 2.6.33 — fixed in 2.6.33

How to fix

Upgrade to a fixed version: Linux kernel 2.6.33. Check the vendor advisory for mitigations.

References

http://ftp.linux.org.uk/pub/linux/linux-2.6/ChangeLog-2.6.33
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=04bcef2a83f40c6db24222b27a52892cba39dffb
http://www.openwall.com/lists/oss-security/2013/11/15/12
http://www.securityfocus.com/bid/63744
http://www.ubuntu.com/usn/USN-2064-1
http://www.ubuntu.com/usn/USN-2065-1
https://bugzilla.redhat.com/show_bug.cgi?id=1030800
https://github.com/torvalds/linux/commit/04bcef2a83f40c6db24222b27a52892cba39dffb
http://ftp.linux.org.uk/pub/linux/linux-2.6/ChangeLog-2.6.33
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=04bcef2a83f40c6db24222b27a52892cba39dffb
http://www.openwall.com/lists/oss-security/2013/11/15/12
http://www.securityfocus.com/bid/63744

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