CVE-2013-1774

Severity: medium (CVSS 4.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2013-02-28 · updated 2026-06-16
Weakness: CWE-264

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.

Affected products

Linux kernel: through 3.7.3; 3.0-rc1, 3.0-rc2, 3.0-rc3, 3.0-rc4, 3.0-rc5, 3.0-rc6 (+167)
Red Hat Enterprise Linux: 6.0
RedHat Enterprise Mrg: 2.0

References

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=1ee0a224bc9aad1de496c795f96bc6ba2c394811
http://lists.opensuse.org/opensuse-security-announce/2013-05/msg00018.html
http://lists.opensuse.org/opensuse-security-announce/2013-06/msg00005.html
http://lists.opensuse.org/opensuse-security-announce/2013-07/msg00016.html
http://lists.opensuse.org/opensuse-security-announce/2013-09/msg00004.html
http://rhn.redhat.com/errata/RHSA-2013-0744.html
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.7.4
http://www.openwall.com/lists/oss-security/2013/02/27/29
http://www.ubuntu.com/usn/USN-1805-1
http://www.ubuntu.com/usn/USN-1808-1
http://xorl.wordpress.com/2013/05/18/cve-2013-1774-linux-kernel-edgeport-usb-serial-converter-null-pointer-dereference/
https://bugzilla.redhat.com/show_bug.cgi?id=916191

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