CVE-2025-40203

In the Linux kernel, the following vulnerability has been resolved: listmount: don't call path_put() under namespace semaphore Massage listmount() and make sure we don't call path_put() under the namespace semaphore. If we put the last reference we're fscked.

Score

CVSS 3.1 7.8 High

Status

Deferred - 416baaa9-dc9f-4396-8d5f-8c081fb06d67

Published

2025-11-12

Last modified

2026-10-19

Affected products

• Linux Kernel (Linux)

References

• https://git.kernel.org/stable/c/659874b7ee4976ad9ce476e07fd36bc67b3537f1
• https://git.kernel.org/stable/c/9c80da26fda2fdcaac7f92b5908875b3108830ff
• https://git.kernel.org/stable/c/c1f86d0ac322c7e77f6f8dbd216c65d39358ffc0