USN-577-1: Linux kernel vulnerability

Releases

• Ubuntu 7.10
• Ubuntu 7.04
• Ubuntu 6.10

Packages

• linux-source-2.6.17 -
• linux-source-2.6.20 -
• linux-source-2.6.22 -

Details

Wojciech Purczynski discovered that the vmsplice system call did
not properly perform verification of user-memory pointers. A local
attacker could exploit this to overwrite arbitrary kernel memory
and gain root privileges. (CVE-2008-0600)

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 7.10

• linux-image-2.6.22-14-itanium - 2.6.22-14.52
• linux-image-2.6.22-14-xen - 2.6.22-14.52
• linux-image-2.6.22-14-lpia - 2.6.22-14.52
• linux-image-2.6.22-14-hppa32 - 2.6.22-14.52
• linux-image-2.6.22-14-powerpc-smp - 2.6.22-14.52
• linux-image-2.6.22-14-386 - 2.6.22-14.52
• linux-image-2.6.22-14-mckinley - 2.6.22-14.52
• linux-image-2.6.22-14-sparc64-smp - 2.6.22-14.52
• linux-image-2.6.22-14-sparc64 - 2.6.22-14.52
• linux-image-2.6.22-14-generic - 2.6.22-14.52
• linux-image-2.6.22-14-virtual - 2.6.22-14.52
• linux-image-2.6.22-14-powerpc - 2.6.22-14.52
• linux-image-2.6.22-14-cell - 2.6.22-14.52
• linux-image-2.6.22-14-rt - 2.6.22-14.52
• linux-image-2.6.22-14-hppa64 - 2.6.22-14.52
• linux-image-2.6.22-14-lpiacompat - 2.6.22-14.52
• linux-image-2.6.22-14-ume - 2.6.22-14.52
• linux-image-2.6.22-14-powerpc64-smp - 2.6.22-14.52
• linux-image-2.6.22-14-server - 2.6.22-14.52

Ubuntu 7.04

• linux-image-2.6.20-16-386 - 2.6.20-16.35
• linux-image-2.6.20-16-powerpc - 2.6.20-16.35
• linux-image-2.6.20-16-server - 2.6.20-16.35
• linux-image-2.6.20-16-mckinley - 2.6.20-16.35
• linux-image-2.6.20-16-sparc64-smp - 2.6.20-16.35
• linux-image-2.6.20-16-hppa32 - 2.6.20-16.35
• linux-image-2.6.20-16-powerpc64-smp - 2.6.20-16.35
• linux-image-2.6.20-16-itanium - 2.6.20-16.35
• linux-image-2.6.20-16-powerpc-smp - 2.6.20-16.35
• linux-image-2.6.20-16-generic - 2.6.20-16.35
• linux-image-2.6.20-16-sparc64 - 2.6.20-16.35
• linux-image-2.6.20-16-hppa64 - 2.6.20-16.35
• linux-image-2.6.20-16-lowlatency - 2.6.20-16.35
• linux-image-2.6.20-16-server-bigiron - 2.6.20-16.35

Ubuntu 6.10

• linux-image-2.6.17-12-mckinley - 2.6.17.1-12.44
• linux-image-2.6.17-12-powerpc64-smp - 2.6.17.1-12.44
• linux-image-2.6.17-12-hppa32 - 2.6.17.1-12.44
• linux-image-2.6.17-12-hppa64 - 2.6.17.1-12.44
• linux-image-2.6.17-12-sparc64-smp - 2.6.17.1-12.44
• linux-image-2.6.17-12-generic - 2.6.17.1-12.44
• linux-image-2.6.17-12-powerpc-smp - 2.6.17.1-12.44
• linux-image-2.6.17-12-386 - 2.6.17.1-12.44
• linux-image-2.6.17-12-server-bigiron - 2.6.17.1-12.44
• linux-image-2.6.17-12-itanium - 2.6.17.1-12.44
• linux-image-2.6.17-12-powerpc - 2.6.17.1-12.44
• linux-image-2.6.17-12-sparc64 - 2.6.17.1-12.44
• linux-image-2.6.17-12-server - 2.6.17.1-12.44

After a standard system upgrade you need to reboot your computer to
effect the necessary changes.

References

• CVE-2008-0600