CVE-2025-21907 — Improper Check or Handling of Exceptional Conditions in Linux

CWE-703 — Improper Check or Handling of Exceptional Conditions6 documents6 sources
Severity
5.5MEDIUMNVD
EPSS
0.0%
top 85.00%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
11
LinuxLinux KernelDebian Linux+8 more
Timeline
PublishedApr 1
Latest updateApr 8

Description

In the Linux kernel, the following vulnerability has been resolved: mm: memory-failure: update ttu flag inside unmap_poisoned_folio Patch series "mm: memory_failure: unmap poisoned folio during migrate properly", v3. Fix two bugs during folio migration if the folio is poisoned. This patch (of 3): Commit 6da6b1d4a7df ("mm/hwpoison: convert TTU_IGNORE_HWPOISON to TTU_HWPOISON") introduce TTU_HWPOISON to replace TTU_IGNORE_HWPOISON in order to stop send SIGBUS signal when accessing an error p…

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HExploitability: 1.8 | Impact: 3.6

Affected Packages12 packages

▶NVDlinux/linux_kernel6.1.16 — 6.2+3
▶Debianlinux/linux_kernel< 6.12.19-1+1

Patches

Patch: git.kernel.org ↗Patch: git.kernel.org ↗Patch: git.kernel.org ↗

🔴Vulnerability Details

2
OSV
CVE-2025-21907: In the Linux kernel, the following vulnerability has been resolved: mm: memory-failure: update ttu flag inside unmap_poisoned_folio Patch series "mm:↗2025-04-01
▶
GHSA
GHSA-497m-pmwp-3283: In the Linux kernel, the following vulnerability has been resolved: mm: memory-failure: update ttu flag inside unmap_poisoned_folio Patch series "mm↗2025-04-01
▶

📋Vendor Advisories

3
Microsoft
mm: memory-failure: update ttu flag inside unmap_poisoned_folio↗2025-04-08
▶
Red Hat
kernel: mm: memory-failure: update ttu flag inside unmap_poisoned_folio↗2025-04-01
▶
Debian
CVE-2025-21907: linux - In the Linux kernel, the following vulnerability has been resolved: mm: memory-...↗2025
▶