Description
The chase_port function in drivers/usb/serial/io_ti.c in the Linux kernel before 3.7.4 allows local users to cause a denial of service (NULL pointer dereference and system crash) via an attempted /dev/ttyUSB read or write operation on a disconnected Edgeport USB serial converter.
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 14 | linux | 3.2.38-1 | — |
| Debian 13 | linux | 3.2.38-1 | — |
| Debian 12 | linux | 3.2.38-1 | — |
| Debian 6.0 | linux-2.6 | 2.6.32-48squeeze3 | DSA-2668-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 6 | perf +15 | 2.6.32-358.6.1.el6 | RHSA-2013:0744 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Red Hat MRG 2 | kernel-rt +11 | 3.6.11.2-rt33.39.el6rt | RHSA-2013:0829 |
Advisories 3
- RHSA-2013:0829 Red Hat Security Advisory: kernel-rt security and bug fix update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- RHSA-2013:0744 Red Hat Security Advisory: kernel security and bug fix update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- DSA-2668-1 linux-2.6 - several Debian Security (DSA / DLA) · Mar 9, 2026
References
- openSUSE-SU-2013:0847 vendor-advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=916191
- USN-1805-1 vendor-advisory
- USN-1808-1 vendor-advisory
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=1ee0a224bc9aad1de496c795f96bc6ba2c394811
- https://github.com/torvalds/linux/commit/1ee0a224bc9aad1de496c795f96bc6ba2c394811
- SUSE-SU-2013:1474 vendor-advisory
- [oss-security] 20130227 Re: CVE request: Linux kernel: USB: io_ti: NULL pointer dereference mailing-list
- RHSA-2013:0744 vendor-advisory
- openSUSE-SU-2013:0925 vendor-advisory
- SUSE-SU-2013:1182 vendor-advisory
- http://xorl.wordpress.com/2013/05/18/cve-2013-1774-linux-kernel-edgeport-usb-serial-converter-null-pointer-dereference/
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.7.4