CVE-2025-38565
Published: Aug 19, 2025
Modified: May 11, 2026
Description
In the Linux kernel, the following vulnerability has been resolved: perf/core: Exit early on perf_mmap() fail When perf_mmap() fails to allocate a buffer, it still invokes the event_mapped() callback of the related event. On X86 this might increase the perf_rdpmc_allowed reference counter. But nothing undoes this as perf_mmap_close() is never called in this case, which causes another reference count leak. Return early on failure to prevent that.
| Vendor | Product | Versions |
|---|---|---|
Linux | Linux | affected 1e0fb9ec679c9273a641f1d6f3d25ea47baef2bb - < 5ffda7f3ed76ec8defc19d985e33b3b82ba07839affected 1e0fb9ec679c9273a641f1d6f3d25ea47baef2bb - < 9b90a48c7de828a15c7a4fc565d46999c6e22d6baffected 1e0fb9ec679c9273a641f1d6f3d25ea47baef2bb - < de85e72598d89880a02170a1cbc27b35a7d978a9affected 1e0fb9ec679c9273a641f1d6f3d25ea47baef2bb - < 27d44145bd576bbef9bf6165bcd78128ec3e6cbdaffected 1e0fb9ec679c9273a641f1d6f3d25ea47baef2bb - < f41e9eba77bf97626e04296dc5677d02816d2432+4 more versions |
Linux | Linux | affected 4.0unaffected 0 - < 4.0unaffected 5.4.297 - <= 5.4.*unaffected 5.10.241 - <= 5.10.*unaffected 5.15.190 - <= 5.15.*+6 more versions |
References
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