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1.2 KiB
1.2 KiB
CVE-2024-46690
Description
In the Linux kernel, the following vulnerability has been resolved:nfsd: fix nfsd4_deleg_getattr_conflict in presence of third party leaseIt is not safe to dereference fl->c.flc_owner without first confirmingfl->fl_lmops is the expected manager. nfsd4_deleg_getattr_conflict()tests fl_lmops but largely ignores the result and assumes that flc_owneris an nfs4_delegation anyway. This is wrong.With this patch we restore the "!= &nfsd_lease_mng_ops" case to behaveas it did before the change mentioned below. This is the same as thecurrent code, but without any reference to a possible delegation.
POC
Reference
No PoCs from references.