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Ubuntu 14.04 ESM USN-5916-1 Critical: Denial Of Service Kernel Risk

ubuntu
Calendar Grey March 3, 2023
Dist Ubuntu Esm H88
Addressing Ubuntu USN-5916-1 Kernel Security Flaw to prevent system failures and illicit administrator access threats
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: Linux kernel

Details:

Jann Horn discovered that the Linux kernel did not properly track memory

allocations for anonymous VMA mappings in some situations, leading to

potential data structure reuse. A local attacker could use this to cause a

denial of service (system crash) or possibly execute arbitrary code.

Topics%20covered

Topics Covered

security advisory denial of service Ubuntu kernel system update crash administration risk

Update Instructions

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

Ubuntu 14.04 ESM:
   linux-image-3.13.0-192-generic  3.13.0-192.243
   linux-image-3.13.0-192-lowlatency  3.13.0-192.243
   linux-image-generic             3.13.0.192.202
   linux-image-generic-lts-trusty  3.13.0.192.202
   linux-image-lowlatency          3.13.0.192.202
   linux-image-server              3.13.0.192.202
   linux-image-virtual             3.13.0.192.202

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

ATTENTION: Due to an unavoidable ABI change the kernel updates have
been given a new version number, which requires you to recompile and
reinstall all third party kernel modules you might have installed.
Unless you manually uninstalled the standard kernel metapackages
(e.g. linux-generic, linux-generic-lts-RELEASE, linux-virtual,
linux-powerpc), a standard system upgrade will automatically perform
this as well.

References

https://ubuntu.com/security/notices/USN-5916-1

CVE-2022-42703

Severity
critical
Lowest
Low
Medium
High
Critical

March 03, 2023

Topics%20covered

Topics Covered

security advisory denial of service Ubuntu kernel system update crash administration risk

Package Information

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