PT-2026-54801 · Linux · Linux

Publicado 2026-07-01 · Atualizado 2026-07-01 · CVE-2026-53333

NVD

In the Linux kernel, the following vulnerability has been resolved:

mm/mincore: handle non-swap entries before !CONFIG SWAP guard

mincore swap() also fields migration/hwpoison entries (and shmem swapin-error entries), which can exist on !CONFIG SWAP builds when CONFIG MIGRATION or CONFIG MEMORY FAILURE is enabled. The !IS ENABLED(CONFIG SWAP) guard ran before the non-swap-entry early return, so mincore pte range() can spuriously WARN and report these pages nonresident on !CONFIG SWAP kernels.

Move the guard below the non-swap-entry check so only true swap entries trip the WARN, and migration/hwpoison entries take the existing "uptodate / non-shmem" path.

Identificadores relacionados

CVE-2026-53333

Produtos afetados

Linux

Referências · 4

• https://git.kernel.org/stable/c/0c25b8734367574e21aeb8468c2e522713134da7 · Nota
• https://nvd.nist.gov/vuln/detail/CVE-2026-53333 · Nota de Segurança
• https://git.kernel.org/stable/c/3481d4372ae34243f7025925314385b852c50f7e · Nota
• https://git.kernel.org/stable/c/a8f91ddf67f669f547bb9fb559738da6f8ee2cf3 · Nota