CVE-2012-4565
MEDIUM · CVSS 4.7EPSS 0.5%EU EUVD
The tcp_illinois_info function in net/ipv4/tcp_illinois.c in the Linux kernel before 3.4.19, when the net.ipv4.tcp_congestion_control illinois setting is enabled, allows local users to cause a denial of service (divide-by-zero error and OOPS) by reading TCP stats.
Key facts
- CVSS score
- 4.7 (v2.0)
- Severity
- MEDIUM
- CVSS vector
AV:L/AC:M/Au:N/C:N/I:N/A:C- Weakness (CWE)
- CWE-189
- EPSS score
- 0.5% (42th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2012-4493)
- Published
- December 21, 2012
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2012-4493 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.
View on the EU Vulnerability DatabaseAffected products
- linux / linux kernel
- linux / linux kernel
- linux / linux kernel
- linux / linux kernel
- linux / linux kernel
- linux / linux kernel
- linux / linux kernel
- linux / linux kernel
- linux / linux kernel
- linux / linux kernel
- linux / linux kernel
- linux / linux kernel
- linux / linux kernel
- linux / linux kernel
- linux / linux kernel
- linux / linux kernel
- linux / linux kernel
- linux / linux kernel
References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=8f363b77ee4fbf7c3bbcf5ec2c5ca482d396d664
- http://lists.fedoraproject.org/pipermail/package-announce/2012-November/091110.html
- http://rhn.redhat.com/errata/RHSA-2012-1580.html
- http://secunia.com/advisories/51409
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.4.19
- http://www.openwall.com/lists/oss-security/2012/10/31/5
- http://www.securityfocus.com/bid/56346
- http://www.ubuntu.com/usn/USN-1644-1
- http://www.ubuntu.com/usn/USN-1645-1
- http://www.ubuntu.com/usn/USN-1646-1
- http://www.ubuntu.com/usn/USN-1647-1
- http://www.ubuntu.com/usn/USN-1648-1
- http://www.ubuntu.com/usn/USN-1649-1
- http://www.ubuntu.com/usn/USN-1650-1
- http://www.ubuntu.com/usn/USN-1651-1
- http://www.ubuntu.com/usn/USN-1652-1
- https://bugzilla.redhat.com/show_bug.cgi?id=871848
- https://github.com/torvalds/linux/commit/8f363b77ee4fbf7c3bbcf5ec2c5ca482d396d664(Exploit)
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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