Vulnerability in Linux Kernel
CVE-2012-4565
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.
Published · last modified .
CVSS v2 metric
CVSS v2 base score 4.7 (Medium). Vector: AV:L/AC:M/Au:N/C:N/I:N/A:C. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.005 (39.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 40th percentile — 39.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000
Affected products
- Linux Kernel — versions 3.4.1, 3.4.2, 3.4.3
Weakness classification (CWE)
References
- git.kernel.org/
- www.ubuntu.com/usn/USN-1644-1 (vendor-advisory)
- www.ubuntu.com/usn/USN-1645-1 (vendor-advisory)
- www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.4.19
- www.ubuntu.com/usn/USN-1647-1 (vendor-advisory)
- rhn.redhat.com/errata/RHSA-2012-1580.html (vendor-advisory)
- www.ubuntu.com/usn/USN-1652-1 (vendor-advisory)
- github.com/torvalds/linux/commit/8f363b77ee4fbf7c3bbcf5ec2c5ca482d396d664 (Exploit)
- bugzilla.redhat.com/show_bug.cgi
- www.ubuntu.com/usn/USN-1646-1 (vendor-advisory)