CVE-2020-36385
kernel: use-after-free in drivers/infiniband/core/ucma.c ctx use-after-free
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
An issue was discovered in the Linux kernel before 5.10. drivers/infiniband/core/ucma.c has a use-after-free because the ctx is reached via the ctx_list in some ucma_migrate_id situations where ucma_close is called, aka CID-f5449e74802c.
Se ha detectado un problema en el kernel de Linux versiones anteriores a 5.10. El archivo drivers/infiniband/core/ucma.c, presenta un uso de la memoria previamente liberada porque el ctx es alcanzado por medio de la función ctx_list en algunas situaciones donde la función ucma_migrate_id en que la función ucma_close, es llamada también se conoce como CID-f5449e74802c
An issue was discovered in the Linux kernels Userspace Connection Manager Access for RDMA. This could allow a local attacker to crash the system, corrupt memory or escalate privileges.
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
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Integrity
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Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
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* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2021-06-07 CVE Reserved
- 2021-06-07 CVE Published
- 2024-02-21 EPSS Updated
- 2024-08-04 CVE Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-416: Use After Free
CAPEC
References (8)
| URL | Tag | Source |
|---|---|---|
| https://security.netapp.com/advisory/ntap-20210720-0004 | Third Party Advisory |
|
| https://www.starwindsoftware.com/security/sw-20220802-0002 | Third Party Advisory |
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10 | 2022-10-25 | |
| https://access.redhat.com/security/cve/CVE-2020-36385 | 2022-01-18 | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1974319 | 2022-01-18 |
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Netapp Search vendor "Netapp" | H300s Firmware Search vendor "Netapp" for product "H300s Firmware" | - | - |
Affected
| in | Netapp Search vendor "Netapp" | H300s Search vendor "Netapp" for product "H300s" | - | - |
Safe
|
| Netapp Search vendor "Netapp" | H500s Firmware Search vendor "Netapp" for product "H500s Firmware" | - | - |
Affected
| in | Netapp Search vendor "Netapp" | H500s Search vendor "Netapp" for product "H500s" | - | - |
Safe
|
| Netapp Search vendor "Netapp" | H700s Firmware Search vendor "Netapp" for product "H700s Firmware" | - | - |
Affected
| in | Netapp Search vendor "Netapp" | H700s Search vendor "Netapp" for product "H700s" | - | - |
Safe
|
| Netapp Search vendor "Netapp" | H300e Firmware Search vendor "Netapp" for product "H300e Firmware" | - | - |
Affected
| in | Netapp Search vendor "Netapp" | H300e Search vendor "Netapp" for product "H300e" | - | - |
Safe
|
| Netapp Search vendor "Netapp" | H500e Firmware Search vendor "Netapp" for product "H500e Firmware" | - | - |
Affected
| in | Netapp Search vendor "Netapp" | H500e Search vendor "Netapp" for product "H500e" | - | - |
Safe
|
| Netapp Search vendor "Netapp" | H700e Firmware Search vendor "Netapp" for product "H700e Firmware" | - | - |
Affected
| in | Netapp Search vendor "Netapp" | H700e Search vendor "Netapp" for product "H700e" | - | - |
Safe
|
| Netapp Search vendor "Netapp" | H410s Firmware Search vendor "Netapp" for product "H410s Firmware" | - | - |
Affected
| in | Netapp Search vendor "Netapp" | H410s Search vendor "Netapp" for product "H410s" | - | - |
Safe
|
| Netapp Search vendor "Netapp" | H410c Firmware Search vendor "Netapp" for product "H410c Firmware" | - | - |
Affected
| in | Netapp Search vendor "Netapp" | H410c Search vendor "Netapp" for product "H410c" | - | - |
Safe
|
| Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | < 5.10 Search vendor "Linux" for product "Linux Kernel" and version " < 5.10" | - |
Affected
| ||||||
| Starwindsoftware Search vendor "Starwindsoftware" | Starwind San \& Nas Search vendor "Starwindsoftware" for product "Starwind San \& Nas" | v8r12 Search vendor "Starwindsoftware" for product "Starwind San \& Nas" and version "v8r12" | - |
Affected
| ||||||
| Starwindsoftware Search vendor "Starwindsoftware" | Starwind Virtual San Search vendor "Starwindsoftware" for product "Starwind Virtual San" | v8 Search vendor "Starwindsoftware" for product "Starwind Virtual San" and version "v8" | build14338 |
Affected
| ||||||