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Ubuntu 22.04 LTS: USN-6916-1 Moderate: Lua Code Execution Risk

ubuntu
Calendar Grey July 29, 2024
Dist Ubuntu Esm H88
The recent Ubuntu 22.04 LTS patches tackle Lua security issues, incorporating crucial enhancements to bolster overall security.
Several security issues were fixed in Lua.

Summary

Several security issues were fixed in Lua.

Software Description:

- lua5.4: Simple, extensible, embeddable programming language

Details:

It was discovered that Lua did not properly generate code when "_ENV" is

constant. An attacker could possibly use this issue to cause a denial of

service or execute arbitrary unstrusted lua code. (CVE-2022-28805)

It was discovered that Lua did not properly handle C stack overflows during

error handling. An attacker could possibly use this issue to cause a denial

of service. (CVE-2022-33099)

Topics%20covered

Topics Covered

security advisory denial of service code execution Ubuntu lua5.4

Update Instructions

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

Ubuntu 22.04 LTS
  lua5.4                          5.4.4-1ubuntu0.1~esm1
                                  Available with Ubuntu Pro

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

References

https://ubuntu.com/security/notices/USN-6916-1

CVE-2022-28805, CVE-2022-33099

Severity
important
Lowest
Low
Medium
High
Critical

Ubuntu Security Notice USN-6916-1

Topics%20covered

Topics Covered

security advisory denial of service code execution Ubuntu lua5.4

Package Information

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