Security tracker / CVE-2025-39775

CVE-2025-39775

mm/mremap: fix WARN with uffd that has remap events disabled

References

• Debian security tracker
• cve.org

Notes

 carnil> Introduced in 0cef0bb836e3 ("mm: clear uffd-wp PTE/PMD state on mremap()").
 carnil> Vulnerable versions: 6.12.11 6.13.

Bugs

Status

Branch	Status
upstream	released (6.17-rc3) [772e5b4a5e8360743645b9a466842d16092c4f94]
6.18-upstream-stable	N/A "Fixed before branching point"
6.17-upstream-stable	N/A "Fixed before branching point"
6.16-upstream-stable	released (6.16.4) [d70ca21f7bff162a5afae1ddd6f4107adf05ae23]
6.12-upstream-stable	needed
6.6-upstream-stable	N/A "Vulnerable code not present"
6.1-upstream-stable	N/A "Vulnerable code not present"
5.10-upstream-stable	N/A "Vulnerable code not present"
sid	released (6.16.5-1)
6.12-trixie-security	needed
6.1-bookworm-security	N/A "Vulnerable code not present"
5.10-bullseye-security	N/A "Vulnerable code not present"