Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2026-53160

In the Linux kernel, the following vulnerability has been resolved: misc: fastrpc: fix use-after-free race in fastrpc_map_create fastrpc_map_lookup returns a raw pointer after releasing fl->lock. The caller fastrpc_map_create then calls fastrpc_map_get (kref_get_unless_zero) on this unprotected pointer. A concurrent MEM_UNMAP can free the map between the lock release and the kref operation, resulting in a use-after-free on the freed slab object. Restore the take_ref parameter to fastrpc_map_lookup so the reference is acquired atomically under fl->lock before the pointer is exposed to the caller.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 2.6%
CVSS Severity
CVSS v3 Score 7.8
Products affected by CVE-2026-53160


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