CVE-2021-46918
dmaengine: idxd: clear MSIX permission entry on shutdown
Severity Score
5.5
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
0
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
Track
*SSVC
Descriptions
In the Linux kernel, the following vulnerability has been resolved:
dmaengine: idxd: clear MSIX permission entry on shutdown
Add disabling/clearing of MSIX permission entries on device shutdown to
mirror the enabling of the MSIX entries on probe. Current code left the
MSIX enabled and the pasid entries still programmed at device shutdown.
En el kernel de Linux, se resolvió la siguiente vulnerabilidad: dmaengine: idxd: borrar entrada de permiso MSIX al apagar Agregue la desactivación/borrado de entradas de permiso MSIX al apagar el dispositivo para reflejar la habilitación de las entradas MSIX en la sonda. El código actual dejó el MSIX habilitado y las entradas pasivas aún programadas al apagar el dispositivo.
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:Track
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2024-02-25 CVE Reserved
- 2024-02-27 CVE Published
- 2024-02-27 EPSS Updated
- 2024-08-04 CVE Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
CAPEC
References (3)
| URL | Tag | Source |
|---|---|---|
| https://git.kernel.org/stable/c/8e50d392652f20616a136165dff516b86baf5e49 | Vuln. Introduced |
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://git.kernel.org/stable/c/c84b8982d7aa9b4717dc36a1c6cbc93ee153b500 | 2021-04-21 | |
| https://git.kernel.org/stable/c/6df0e6c57dfc064af330071f372f11aa8c584997 | 2021-04-12 |
| 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" | >= 5.11 < 5.11.16 Search vendor "Linux" for product "Linux Kernel" and version " >= 5.11 < 5.11.16" | en |
Affected
| ||||||
| Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | >= 5.11 < 5.12 Search vendor "Linux" for product "Linux Kernel" and version " >= 5.11 < 5.12" | en |
Affected
| ||||||