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(Pwn2Own) Canonical Ubuntu ShiftFS File System Double Free Privilege Escalation Vulnerability
🗓️ 21 Apr 2021 00:00:00Reported by Vincent Dehors (@vdehors) from Synacktiv (@Synacktiv)Type 
zdi🔗 www.zerodayinitiative.com👁 115 Views
| Reporter | Title | Published | Views | Family All 30 |
|---|---|---|---|---|
 | Astra Linux - уязвимость в linux | 20 May 202605:53 | – | astralinux |
 | The vulnerability of the copy_from_user() function in the file system of the shiftfs filesystem in Linux’s operating system, which is related to the repeated release of memory, allows a perpetrator to gain access to confidential data, compromise its integrity, and cause service failures. | 5 Oct 202100:00 | – | bdu_fstec |
 | CVE-2021-3492 | 14 Jul 202111:53 | – | circl |
 | linux kernel 安全漏洞 | 16 Apr 202100:00 | – | cnnvd |
 | linux kernel denial of service vulnerability (CNVD-2021-29847) | 21 Apr 202100:00 | – | cnvd |
 | CVE-2021-3492 | 17 Apr 202104:20 | – | cve |
 | CVE-2021-3492 Ubuntu linux kernel shiftfs file system double free vulnerability | 17 Apr 202104:20 | – | cvelist |
 | CVE-2021-3492 | 17 Apr 202104:20 | – | debiancve |
 | Exploit for Double Free in Canonical Ubuntu_Linux | 28 Jun 202109:43 | – | githubexploit |
 | LSN-0077-1: Kernel Live Patch Security Notice | 17 May 202109:04 | – | ubuntu |
10
| Source | Link |
|---|---|
| ubuntu | www.ubuntu.com/security/CVE-2021-3492 |
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21 Apr 2021 00:00Current
4Medium risk
Vulners AI Score4
CVSS 38.8
EPSS0.01547