U radu programskog paketa linux-ti-omap4 uočena su i ispravljena tri sigurnosna nedostatka. Navedeni propusti se mogu iskoristiti za izvođenja napada uskraćivanjem usluge (DoS napad) ili pokretanje proizvoljnog programskog koda.
Paket:
linux-ti-omap4
Operacijski sustavi:
Ubuntu Linux 11.04
Kritičnost:
5.4
Problem:
cjelobrojno prepisivanje, korupcija memorije, pogreška u programskoj komponenti
Propusti su posljedica pogreške u "XFS" datotečnom sustavu i obradi IPv4 IGMP zahtjeva, te cjelobrojnog prepisivanja što ima za posljedicu korupciju memorije.
Posljedica:
Navedeni nedostaci se mogu iskoristiti za izvođenja napada uskraćivanjem usluge (DoS) ili izvršavanje zlonamjernog programskog koda.
Rješenje:
Svim korisnicima se savjetuje korištenje službene programske nadogradnje.
==========================================================================
Ubuntu Security Notice USN-1356-1
February 06, 2012
linux-ti-omap4 vulnerabilities
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 11.04
Summary:
Several security issues were fixed in the kernel.
Software Description:
- linux-ti-omap4: Linux kernel for OMAP4
Details:
A flaw was discovered in the XFS filesystem. If a local user mounts a
specially crafted XFS image it could potential execute arbitrary code on
the system. (CVE-2012-0038)
Chen Haogang discovered an integer overflow that could result in memory
corruption. A local unprivileged user could use this to crash the system.
(CVE-2012-0044)
A flaw was found in the linux kernels IPv4 IGMP query processing. A remote
attacker could exploit this to cause a denial of service. (CVE-2012-0207)
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 11.04:
linux-image-2.6.38-1209-omap4 2.6.38-1209.21
After a standard system update you need to reboot your computer to make
all the necessary changes.
References:
http://www.ubuntu.com/usn/usn-1356-1
CVE-2012-0038, CVE-2012-0044, CVE-2012-0207
Package Information:
https://launchpad.net/ubuntu/+source/linux-ti-omap4/2.6.38-1209.21
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