Qualys Security AdvisoryLooney Tunables: Local Privilege Escalation in the glibc's ld.so(CVE-2023-4911)========================================================================Contents========================================================================SummaryAnalysisProof of conceptExploitationAcknowledgmentsTimeline========================================================================Summary========================================================================The GNU C Library's dynamic loader "find[s] and load[s] the sharedobjects (shared libraries) needed by a program, prepare[s] the programto run, and then run[s] it" (man ld.so). The dynamic loader is extremelysecurity sensitive, because its code runs with elevated privileges whena local user