CVE-2024-47659 — Improper Authentication in Linux
Severity
8.8HIGHNVD
OSV7.1OSV5.5OSV4.7
EPSS
0.4%
top 38.77%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedOct 9
Latest updateMar 24
Description
In the Linux kernel, the following vulnerability has been resolved:
smack: tcp: ipv4, fix incorrect labeling
Currently, Smack mirrors the label of incoming tcp/ipv4 connections:
when a label 'foo' connects to a label 'bar' with tcp/ipv4,
'foo' always gets 'foo' in returned ipv4 packets. So,
1) returned packets are incorrectly labeled ('foo' instead of 'bar')
2) 'bar' can write to 'foo' without being authorized to write.
Here is a scenario how to see this:
* Take two machines, let's call them…
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitability: 2.8 | Impact: 5.9
Affected Packages6 packages
▶CVEListV5linux/linux07feee8f812f7327a46186f7604df312c8c81962 — d3f56c653c65f170b172d3c23120bc64ada645d8+8
Patches
🔴Vulnerability Details
26OSV▶
linux, linux-aws, linux-aws-hwe, linux-gcp, linux-gcp-4.15, linux-hwe, linux-kvm, linux-oracle vulnerabilities↗2026-03-20