cve 2023 53231

About this tag
CVE-2023-53231 is a Linux kernel vulnerability in the EROFS (Enhanced Read-Only File System) that involves a subtle correctness bug in decompression context detection. The patch addresses an issue where decompression could be performed in an atomic or RCU-protected context, leading to illegal synchronous operations while non-sleepable locks are held. This can cause kernel instability and availability loss. The fix ensures that decompression is properly handed off to asynchronous workers when required, preventing such errors. This tag covers discussions and technical details about the CVE-2023-53231 patch, its impact on kernel stability, and the specific code changes made to EROFS.

  1. EROFS CVE-2023-53231 Patch: Safer Decompression in Atomic Context

    The Linux kernel patch addressing CVE-2023-53231 changes a small piece of EROFS (the Enhanced Read‑Only File System) code—yet it fixes a subtle correctness bug that, in the worst case, can lead to kernel instability and availability loss when decompression work is performed in the wrong context...
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    • cve 2023 53231 erofs kernel security rcu context
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    • Forum: Security Alerts