Resource exhaustion in Linux Kernel
CVE-2012-6638
The tcp_rcv_state_process function in net/ipv4/tcp_input.c in the Linux kernel before 3.2.24 allows remote attackers to cause a denial of service (kernel resource consumption) via a flood of SYN+FIN TCP packets, a different vulnerability than CVE-2012-2663.
Vulnerability class: DoS (Denial of Service)
Published · last modified .
CVSS v2 metric
CVSS v2 base score 7.8 (High). Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.033 (88.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 88th percentile — 88.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.033 · newest: 0.033 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.2.24 (Vendor Advisory)
- git.kernel.org/
- github.com/torvalds/linux/commit/fdf5af0daf8019cec2396cdef8fb042d80fe71fa (Patch, Third Party Advisory)
- bugzilla.redhat.com/show_bug.cgi (Third Party Advisory, Issue Tracking)
Frequently asked questions
- What is CVE-2012-6638?
- CVE-2012-6638 is a vulnerability in Linux Kernel, classified under Uncontrolled Resource Consumption. Published 2014-02-15.
- Is CVE-2012-6638 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.