VDB
CNVD-2021-19427
CNVD-2021-19427
PUBLISHED
Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。 Linux kernel存在代码问题漏洞，攻击者可利用该漏洞可以通过DRM_IOCTL_NOUVEAU_CHANNEL_ALLOC强制空指针解引用，从而触发拒绝服务。
Exploit Intelligence
- fei9747/CVE-2021-3493 (github-poc-repo)
- fei9747/CVE-2021-3493 (github-poc-repo)
- Exploit For OverlayFS (github-poc-repo)
- Exploit For OverlayFS (github-poc-repo)
- smallkill/CVE-2021-3493 (github-poc-repo)
- smallkill/CVE-2021-3493 (github-poc-repo)
- ptkhai15/OverlayFS---CVE-2021-3493 (github-poc-repo)
- ptkhai15/OverlayFS---CVE-2021-3493 (github-poc-repo)
- Ubuntu OverlayFS Local Privesc (github-poc-repo)
- Ubuntu OverlayFS Local Privesc (github-poc-repo)
…and 52 more exploits
Timeline
- Feb 3, 2021 CVE ID Reserved
- Mar 19, 2021 CVE Published
- Mar 28, 2025 PoC Published