SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2002-2438

TCP firewalls could be circumvented by sending a SYN Packets with other flags (like e.g.

HIGH 7.5EPSS 3.74%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (3.74%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

TCP firewalls could be circumvented by sending a SYN Packets with other flags (like e.g. RST flag) set, which was not correctly discarded by the Linux TCP stack after firewalling.

CVSS 3.1
7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
3.74% probability · 89th percentile
CISA KEV
Not listed
Weakness
CWE-287
Affected
linux/linux kernel
Source
secalert@redhat.com

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.