7.8
CVE-2020-29534
- EPSS 0.45%
- Veröffentlicht 03.12.2020 20:15:11
- Zuletzt bearbeitet 21.11.2024 05:24:09
- CVE-Watchlists
- Unerledigt
An issue was discovered in the Linux kernel before 5.9.3. io_uring takes a non-refcounted reference to the files_struct of the process that submitted a request, causing execve() to incorrectly optimize unshare_fd(), aka CID-0f2122045b94.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Linux ≫ Linux Kernel Version >= 5.1 < 5.8.18
Linux ≫ Linux Kernel Version >= 5.9.0 < 5.9.3
Linux ≫ Linux Kernel Version5.10 Updaterc1
VulnDex Vulnerability Enrichment
| Typ | Quelle | Score | Percentile |
|---|---|---|---|
| EPSS | FIRST.org | 0.45% | 0.359 |
| Quelle | Base Score | Exploit Score | Impact Score | Vector String |
|---|---|---|---|---|
| nvd@nist.gov | 7.8 | 1.8 | 5.9 |
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
|
| nvd@nist.gov | 7.2 | 3.9 | 10 |
AV:L/AC:L/Au:N/C:C/I:C/A:C
|
https://bugs.chromium.org/p/project-zero/issues/detail?id=2089
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.9.3
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=0f2122045b946241a9e549c2a76cea54fa58a7ff