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.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 4.0 | linux-2.6 | 2.6.18.dfsg.1-26etch2 | DSA-2003-1 |
| Debian 4.0 | linux-2.6.24 | 2.6.24-6~etchnhalf.9etch3 | DSA-2005-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 4 | kernel +10 | 2.6.9-89.0.20.EL | RHSA-2010:0076 |
Advisories 3
- RHSA-2010:0076 Red Hat Security Advisory: kernel security and bug fix update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- DSA-2003-1 linux-2.6 - several vulnerabilities Debian Security (DSA / DLA) · Mar 9, 2026
- DSA-2005-1 linux-2.6.24 - several vulnerabilities Debian Security (DSA / DLA) · Mar 9, 2026
References
- http://www.kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.32-rc7
- 38276 third-party-advisory
- MDVSA-2010:030 vendor-advisory
- 37036 vdb-entry
- kernel-hfcusb-privilege-escalation(54310) vdb-entry
- SUSE-SA:2009:061 vendor-advisory
- USN-864-1 vendor-advisory
- SUSE-SA:2010:001 vendor-advisory
- 37720 third-party-advisory
- 37909 third-party-advisory
- oval:org.mitre.oval:def:11155 vdb-entry signature
- SUSE-SA:2009:064 vendor-advisory
- SUSE-SA:2010:013 vendor-advisory
- ADV-2009-3267 vdb-entry
- SUSE-SA:2010:005 vendor-advisory
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=286e633ef0ff5bb63c07b4516665da8004966fec
- DSA-2005 vendor-advisory
- FEDORA-2009-13098 vendor-advisory
- 38017 third-party-advisory