Riskcovery

CVE-2026-53333

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

State
Published
Severity
Not scored
Published
Jul 1, 2026
Updated
Jul 1, 2026
Reserved
Jun 9, 2026

Read the record on cve.org

Description

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.

Scores

The record has no CVSS score.

Weaknesses

The record names no weakness.

Affected Products

ProductVersions
LinuxLinux
  • 1f2052755c152940c336918bd73d13d5468f548b to before a8f91ddf67f669f547bb9fb559738da6f8ee2cf3Affected
  • 1f2052755c152940c336918bd73d13d5468f548b to before 3481d4372ae34243f7025925314385b852c50f7eAffected
  • 1f2052755c152940c336918bd73d13d5468f548b to before 0c25b8734367574e21aeb8468c2e522713134da7Affected
LinuxLinux
  • 6.18Affected
  • before 6.18Not affected
  • 6.18.36 through 6.18.*Not affected
  • 7.0.13 through 7.0.*Not affected
  • 7.1 and laterNot affected

References

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