kernel: nfsd: release svc_expkey/svc_export with rcu_work

A flaw was found in the Linux kernel's Network File System daemon nfsd. A local user can trigger a use-after-free condition when export cache entries are prematurely released during read operations. This issue may lead to memory corruption, potentially causing a system crash and resulting in a...

UBUNTU-CVE-2024-53216

In the Linux kernel, the following vulnerability has been resolved: nfsd: release svcexpkey/svcexport with rcuwork The last reference for cachehead can be reduced to zero in cshow and eshowusing rcureadlock and rcureadunlock. Consequently, svcexportput and expkeyput will be invoked, leading to tw...

CVE-2024-53216 nfsd: release svc_expkey/svc_export with rcu_work

In the Linux kernel, the following vulnerability has been resolved: nfsd: release svcexpkey/svcexport with rcuwork The last reference for cachehead can be reduced to zero in cshow and eshowusing rcureadlock and rcureadunlock. Consequently, svcexportput and expkeyput will be invoked, leading to tw...

PT-2024-36862

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 6.12.0-rc3+ Description A vulnerability has been resolved in the Linux kernel. The issue arises from the function e show being called with protection from RCU, which only ensures that exp will not be freed...