Bug 539435 (CVE-2009-4005) - CVE-2009-4005 kernel: isdn: hfc_usb: fix read buffer overflow
Summary: CVE-2009-4005 kernel: isdn: hfc_usb: fix read buffer overflow
Alias: CVE-2009-4005
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
Whiteboard: impact=important,source=lkml,reported...
Keywords: Security
Depends On: 539436 539437
TreeView+ depends on / blocked
Reported: 2009-11-20 06:55 UTC by Eugene Teo (Security Response)
Modified: 2012-07-16 17:04 UTC (History)
10 users (show)

Clone Of:
Last Closed: 2012-03-28 08:40:52 UTC

Attachments (Terms of Use)

External Trackers
Tracker ID Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2010:0076 normal SHIPPED_LIVE Important: kernel security and bug fix update 2010-02-02 20:41:06 UTC

Description Eugene Teo (Security Response) 2009-11-20 06:55:04 UTC
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.

Upstream commit:


Comment 2 Chuck Ebbert 2009-12-08 22:52:32 UTC
Fixed in upstream kernels and

Comment 3 Fedora Update System 2009-12-10 22:54:27 UTC
kernel- has been submitted as an update for Fedora 10.

Comment 4 Fedora Update System 2009-12-11 18:26:07 UTC
kernel- has been pushed to the Fedora 10 stable repository.  If problems still persist, please make note of it in this bug report.

Comment 5 errata-xmlrpc 2010-02-02 20:41:23 UTC
This issue has been addressed in following products:

  Red Hat Enterprise Linux 4

Via RHSA-2010:0076 https://rhn.redhat.com/errata/RHSA-2010-0076.html

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