CVEs-PoC/2021/CVE-2021-41073.md

CVE-2021-41073

Description

loop_rw_iter in fs/io_uring.c in the Linux kernel 5.10 through 5.14.6 allows local users to gain privileges by using IORING_OP_PROVIDE_BUFFERS to trigger a free of a kernel buffer, as demonstrated by using /proc//maps for exploitation.

POC

Reference

• https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=16c8d2df7ec0eed31b7d3b61cb13206a7fb930cc

Github

• https://github.com/ARPSyndicate/cvemon
• https://github.com/Ch4nc3n/PublicExploitation
• https://github.com/DarkFunct/CVE_Exploits
• https://github.com/JlSakuya/Linux-Privilege-Escalation-Exploits
• https://github.com/NaInSec/CVE-PoC-in-GitHub
• https://github.com/SYRTI/POC_to_review
• https://github.com/Snoopy-Sec/Localroot-ALL-CVE
• https://github.com/WhooAmii/POC_to_review
• https://github.com/bsauce/kernel-exploit-factory
• https://github.com/bsauce/kernel-security-learning
• https://github.com/chompie1337/Linux_LPE_io_uring_CVE-2021-41073
• https://github.com/kdn111/linux-kernel-exploitation
• https://github.com/khanhdn111/linux-kernel-exploitation
• https://github.com/khanhdz-06/linux-kernel-exploitation
• https://github.com/khanhdz191/linux-kernel-exploitation
• https://github.com/khanhhdz/linux-kernel-exploitation
• https://github.com/khanhhdz06/linux-kernel-exploitation
• https://github.com/khanhnd123/linux-kernel-exploitation
• https://github.com/knd06/linux-kernel-exploitation
• https://github.com/ndk191/linux-kernel-exploitation
• https://github.com/nomi-sec/PoC-in-GitHub
• https://github.com/smallkirby/seccamp23c2-assets
• https://github.com/soosmile/POC
• https://github.com/ssr-111/linux-kernel-exploitation
• https://github.com/star-sg/CVE
• https://github.com/trhacknon/CVE2
• https://github.com/trhacknon/Pocingit
• https://github.com/xairy/linux-kernel-exploitation
• https://github.com/zecool/cve
• https://github.com/zzcentury/PublicExploitation