VULNERABILITY INTELLIGENCE
CVE-2009-4005
CVSS score7.2 HIGH
EPSS probability0.42%
CISA KEVNot currently listed
Published2009-11-20
Last modified2026-06-16
CVSS vectorAV:L/AC:L/Au:N/C:C/I:C/A:C
Description
The collect_rx_frame function in drivers/isdn/hisax/hfc_usb.c in the Linux kernel before 2.6.32-rc7 allows attackers to have an unspecified impact via a crafted HDLC packet that arrives over ISDN and triggers a buffer under-read.
Weakness classification
- CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer