462 lines
22 KiB
JSON
462 lines
22 KiB
JSON
{
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"cveId": "CVE-2026-64375",
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"state": "PUBLISHED",
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"assignerShortName": "Linux",
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"dateReserved": "2026-07-19T15:36:31.784Z",
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"datePublished": "2026-07-25T08:50:26.869Z",
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"dateUpdated": "2026-11-10T12:49:12.017Z"
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nproc: protect ptrace_may_access() with exec_update_lock (FD links)\n\nproc_pid_get_link() and proc_pid_readlink() currently look up the task from\nthe pid once, then do the ptrace access check on that task, then look up\nthe task from the pid a second time to do the actual access.\nThat's racy in several ways.\n\nTo fix it, pass the task to the ->proc_get_link() handler, and instead of\nproc_fd_access_allowed(), introduce a new helper call_proc_get_link() that\nlooks up and locks the task, does the access check, and calls\n->proc_get_link()."
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