CVE-2020-14386
kernel: memory corruption in net/packet/af_packet.c leads to elevation of privilege
Severity Score
7.8
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
0
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
A flaw was found in the Linux kernel before 5.9-rc4. Memory corruption can be exploited to gain root privileges from unprivileged processes. The highest threat from this vulnerability is to data confidentiality and integrity.
Se encontró un fallo en el kernel de Linux versiones anteriores a 5.9-rc4. Una corrupción de la memoria puede ser explotada para conseguir privilegios root de procesos no privilegiados. La mayor amenaza de esta vulnerabilidad es la confidencialidad e integridad de datos
A flaw was found in the Linux kernel. Memory corruption can be exploited to gain root privileges from unprivileged processes. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2020-06-17 CVE Reserved
- 2020-09-08 CVE Published
- 2023-03-08 EPSS Updated
- 2024-08-04 CVE Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-250: Execution with Unnecessary Privileges
- CWE-787: Out-of-bounds Write
CAPEC
References (14)
| URL | Tag | Source |
|---|---|---|
| http://packetstormsecurity.com/files/159565/Kernel-Live-Patch-Security-Notice-LSN-0072-1.html | Third Party Advisory |
|
| http://www.openwall.com/lists/oss-security/2021/09/17/2 | Mailing List |
|
| http://www.openwall.com/lists/oss-security/2021/09/17/4 | Mailing List |
|
| http://www.openwall.com/lists/oss-security/2021/09/21/1 | Mailing List |
|
| https://lists.debian.org/debian-lts-announce/2020/09/msg00025.html | Mailing List |
|
| https://lists.debian.org/debian-lts-announce/2020/10/msg00032.html | Mailing List |
|
| https://lists.debian.org/debian-lts-announce/2020/10/msg00034.html | Mailing List |
|
| URL | Date | SRC |
|---|
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | >= 4.6 < 4.9.239 Search vendor "Linux" for product "Linux Kernel" and version " >= 4.6 < 4.9.239" | - |
Affected
| ||||||
| Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | >= 4.10 < 4.14.201 Search vendor "Linux" for product "Linux Kernel" and version " >= 4.10 < 4.14.201" | - |
Affected
| ||||||
| Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | >= 4.15 < 4.19.150 Search vendor "Linux" for product "Linux Kernel" and version " >= 4.15 < 4.19.150" | - |
Affected
| ||||||
| Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | >= 4.20 < 5.4.64 Search vendor "Linux" for product "Linux Kernel" and version " >= 4.20 < 5.4.64" | - |
Affected
| ||||||
| Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | >= 5.5 < 5.8.8 Search vendor "Linux" for product "Linux Kernel" and version " >= 5.5 < 5.8.8" | - |
Affected
| ||||||
| Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | 5.9.0 Search vendor "Linux" for product "Linux Kernel" and version "5.9.0" | rc1 |
Affected
| ||||||
| Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | 5.9.0 Search vendor "Linux" for product "Linux Kernel" and version "5.9.0" | rc2 |
Affected
| ||||||
| Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | 5.9.0 Search vendor "Linux" for product "Linux Kernel" and version "5.9.0" | rc3 |
Affected
| ||||||
| Debian Search vendor "Debian" | Debian Linux Search vendor "Debian" for product "Debian Linux" | 9.0 Search vendor "Debian" for product "Debian Linux" and version "9.0" | - |
Affected
| ||||||
| Fedoraproject Search vendor "Fedoraproject" | Fedora Search vendor "Fedoraproject" for product "Fedora" | 33 Search vendor "Fedoraproject" for product "Fedora" and version "33" | - |
Affected
| ||||||
| Opensuse Search vendor "Opensuse" | Leap Search vendor "Opensuse" for product "Leap" | 15.1 Search vendor "Opensuse" for product "Leap" and version "15.1" | - |
Affected
| ||||||