libceph

  1. CVE-2026-22991: Kernel Libceph Cleanup Fix Prevents NULL Pointer Crash

    A recently recorded Linux-kernel security entry, CVE-2026-22991, fixes a subtle but practical memory-safety bug in the kernel’s Ceph client library (libceph) by hardening the cleanup routine free_choose_arg_map() so it no longer dereferences NULL when its caller fails after a partial allocation...
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  2. Linux Kernel Libceph Bounds Check Fix CVE-2026-22984: Patch and Impact

    The Linux kernel received a targeted, surgical fix on 23 January 2026 for a bounds‑checking bug in the Ceph client library (libceph) that could allow an out‑of‑bounds read during authentication processing; the issue has been assigned CVE‑2026‑22984 and is addressed by an explicit check on the...
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    • cve 2026 22984 libceph linux kernel security patch
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  3. Kernel libceph CVE-2025-68283: From BUG_ON to safe OSD index bounds

    A quiet but consequential fix landed in the Linux kernel tree on December 16, 2025: a defensive coding change in the Ceph client library (libceph) replaced several fatal assertions with proper bounds checks to block untrusted OSD indexes from network packets — a change recorded as CVE-2025-68283...
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    • cve 2025 68283 kernel security libceph memory safety
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    • Forum: Security Alerts