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Alerts This Week
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Alerts This Week
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Ubuntu 12.04 LTS USN-1749-1 Critical: Kernel Crash and Admin Exploit

ubuntu
Calendar Grey February 26, 2013
Scroller Ubuntu
A significant Ubuntu advisory has been issued regarding a vulnerability within the kernel that may lead to system instability or unauthorized execution of administrator-level processes.
The system could be made to crash or run programs as an administrator.

Summary

The system could be made to crash or run programs as an administrator.

Software Description:

- linux-lts-quantal: Linux hardware enablement kernel from Quantal

Details:

Brad Spengler discovered a bounds checking error for netlink messages

requesting SOCK_DIAG_BY_FAMILY. An unprivileged local user could exploit

this flaw to crash the system or run programs as an administrator.

Topics%20covered

Topics Covered

security advisory privilege escalation kernel flaw ubuntu system crash

Update Instructions

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

Ubuntu 12.04 LTS:
  linux-image-3.5.0-25-generic    3.5.0-25.39~precise1

After a standard system update you need to reboot your computer to make
all the necessary changes.

References

https://ubuntu.com/security/notices/USN-1749-1

CVE-2013-1763

Severity
critical
Lowest
Low
Medium
High
Critical

February 26, 2013

Topics%20covered

Topics Covered

security advisory privilege escalation kernel flaw ubuntu system crash

Package Information

https://launchpad.net/ubuntu/+source/linux-lts-quantal/3.5.0-25.39~precise1

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