this post was submitted on 22 Apr 2025
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Linux Gaming

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On August 15th, 2025, Steam will officially stop supporting Linux distributions with a version of glibc older than 2.31 (help.steampowered.com)
submitted 1 day ago* (last edited 1 day ago) by [email protected] to c/[email protected]
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To check which version of glibc you have, run ldd --version in the terminal.

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[–] [email protected] 37 points 1 day ago

This might be the reason for requiring glibc 2.31 and newer:

Security related changes:

CVE-2019-19126: ld.so failed to ignore the LD_PREFER_MAP_32BIT_EXEC environment variable during program execution after a security transition, allowing local attackers to restrict the possible mapping addresses for loaded libraries and thus bypass ASLR for a setuid program. Reported by Marcin Kościelnicki.