High severity7.5NVD Advisory· Published May 2, 2016· Updated Jun 17, 2026

CVE-2016-2070

Description

The tcp_cwnd_reduction function in net/ipv4/tcp_input.c in the Linux kernel before 4.3.5 allows remote attackers to cause a denial of service (divide-by-zero error and system crash) via crafted TCP traffic.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Linux/Kernel2 versions
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*range: >=4.3,<4.3.5
- (no CPE)range: <4.3.5

Patches

Vulnerability mechanics

References

github.com/torvalds/linux/commit/8b8a321ff72c785ed5e8b4cf6eda20b35d427390nvdPatchVendor Advisory
git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/nvdVendor Advisory
www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.3.5nvdVendor Advisory
www.openwall.com/lists/oss-security/2016/01/25/5nvdMailing List
bugzilla.redhat.com/show_bug.cginvdIssue Tracking

News mentions

No linked articles in our index yet.

cvss	0.488
epss	0.003
exploit	0.000
kev	0.000
patch	-0.070
ransomware	0.000