CVE-2026-53319

CVE-2026-53319 documents a Linux kernel change where blk-wbt’s wbt_init_enable_default() no longer triggers WARN_ON_ONCE for expected failure paths from wbt_alloc() and wbt_init(). The underlying issues are that wbt_alloc() may return NULL under memory pressure, and wbt_init() may fail with -EBUS...