U radu programskog paketa linux-ti-omap4 uočeno je i ispravljeno više sigurnosnih nedostataka. Lokalni napadač spomenute je nedostatke mogao iskoristiti za napad uskraćivanjem usluga (DoS) te za dobivanje većih privilegija sustavu.
Paket:
linux-ti-omap4
Operacijski sustavi:
Ubuntu Linux 11.10
Kritičnost:
5.4
Problem:
neodgovarajuća provjera ulaznih podataka, pogreška u programskoj komponenti
Iskorištavanje:
lokalno
Posljedica:
dobivanje većih privilegija, uskraćivanje usluga (DoS)
==========================================================================
Ubuntu Security Notice USN-1330-1
January 13, 2012
linux-ti-omap4 vulnerabilities
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 11.10
Summary:
Several security issues were fixed in the kernel.
Software Description:
- linux-ti-omap4: Linux kernel for OMAP4
Details:
Clement Lecigne discovered a bug in the HFS filesystem. A local attacker
could exploit this to cause a kernel oops. (CVE-2011-2203)
A bug was discovered in the XFS filesystem's handling of pathnames. A local
attacker could exploit this to crash the system, leading to a denial of
service, or gain root privileges. (CVE-2011-4077)
A flaw was found in how the Linux kernel handles user-defined key types. An
unprivileged local user could exploit this to crash the system.
(CVE-2011-4110)
A flaw was found in the Journaling Block Device (JBD). A local attacker
able to mount ext3 or ext4 file systems could exploit this to crash the
system, leading to a denial of service. (CVE-2011-4132)
Clement Lecigne discovered a bug in the HFS file system bounds checking.
When a malformed HFS file system is mounted a local user could crash the
system or gain root privileges. (CVE-2011-4330)
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 11.10:
linux-image-3.0.0-1206-omap4 3.0.0-1206.15
After a standard system update you need to reboot your computer to make
all the necessary changes.
References:
http://www.ubuntu.com/usn/usn-1330-1
CVE-2011-2203, CVE-2011-4077, CVE-2011-4110, CVE-2011-4132,
CVE-2011-4330
Package Information:
https://launchpad.net/ubuntu/+source/linux-ti-omap4/3.0.0-1206.15
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