CVE-2024-50271

Summary

CVE-2024-50271 is a vulnerability affecting the Linux kernel. Prior to a specific commit, the rlimit for UCOUNT_RLIMIT_SIGPENDING was not enforced when override_rlimit was set, leading to unpredictable behavior and crashes. This issue caused production problems for java applications, as the siginfo became effectively 'corrupted', preventing the process from identifying fault addresses and handling errors. The vulnerability has been resolved by passing override_rlimit into inc_rlimit_get_ucounts() and skipping the comparison to max in that function if override_rlimit is set, effectively restoring the old behavior.

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