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USN-5770-1: GCC vulnerability

8 December 2022

GNU Compiler Collection's (GCC) random number generation could be made less random with specially crafted input.

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Releases

Packages

Details

Todd Eisenberger discovered that certain versions of GNU Compiler
Collection (GCC) could be made to clobber the status flag of RDRAND
and RDSEED with specially crafted input. This could potentially lead
to less randomness in random number generation.

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

Update instructions

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

Ubuntu 16.04

In general, a standard system update will make all the necessary changes.

References

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Further reading