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CVE-2022-0185 PoC — Linux kernel 数字错误漏洞

Source
https://github.com/featherL/CVE-2022-0185-exploit
Associated Vulnerability
Title:Linux kernel 数字错误漏洞 (CVE-2022-0185)
Description:A heap-based buffer overflow flaw was found in the way the legacy_parse_param function in the Filesystem Context functionality of the Linux kernel verified the supplied parameters length. An unprivileged (in case of unprivileged user namespaces enabled, otherwise needs namespaced CAP_SYS_ADMIN privilege) local user able to open a filesystem that does not support the Filesystem Context API (and thus fallbacks to legacy handling) could use this flaw to escalate their privileges on the system.
Description
CVE-2022-0185 exploit
File Snapshot

 [4.0K]  /data/pocs/fa36b55828511edcfd9c5fdca4e64512504b3c70
├── [9.4M]  bzImage
├── [ 232]  Makefile
├── [4.0K]  pipe
│   ├── [ 15K]  exp.c
│   └── [  65]  xmake.lua
├── [4.9M]  rootfs.cpio
├── [ 240]  start.sh
├── [4.0K]  suid
│   ├── [ 164]  suid-test.c
│   └── [  72]  xmake.lua
├── [4.0K]  userfaultfd
│   ├── [ 12K]  exp.c
│   └── [ 104]  xmake.lua
└── [ 116]  xmake.lua

3 directories, 11 files
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