CVE-2021-47466
mm, slub: fix potential memoryleak in kmem_cache_open()
Severity Score
7.1
*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:
mm, slub: fix potential memoryleak in kmem_cache_open()
In error path, the random_seq of slub cache might be leaked. Fix this
by using __kmem_cache_release() to release all the relevant resources.
En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: mm, slub: corrige una posible pérdida de memoria en kmem_cache_open() En la ruta del error, es posible que se haya filtrado el random_seq del caché slub. Solucione este problema usando __kmem_cache_release() para liberar todos los recursos relevantes.
A potential memory leak was found in the Linux kernel, in kmem_cache_open(). This issue may lead to compromised confidentiality and availability.
*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
- 2024-05-22 CVE Reserved
- 2024-05-22 CVE Published
- 2024-05-22 EPSS Updated
- 2024-12-19 CVE Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-402: Transmission of Private Resources into a New Sphere ('Resource Leak')
CAPEC
References (7)
| URL | Tag | Source |
|---|---|---|
| https://git.kernel.org/stable/c/210e7a43fa905bccafa9bb5966fba1d71f33eb8b | Vuln. Introduced |
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://access.redhat.com/security/cve/CVE-2021-47466 | 2024-09-24 | |
| https://bugzilla.redhat.com/show_bug.cgi?id=2282890 | 2024-09-24 |
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" | >= 4.8 < 5.4.156 Search vendor "Linux" for product "Linux Kernel" and version " >= 4.8 < 5.4.156" | en |
Affected
| ||||||
| Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | >= 4.8 < 5.10.76 Search vendor "Linux" for product "Linux Kernel" and version " >= 4.8 < 5.10.76" | en |
Affected
| ||||||
| Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | >= 4.8 < 5.14.15 Search vendor "Linux" for product "Linux Kernel" and version " >= 4.8 < 5.14.15" | en |
Affected
| ||||||
| Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | >= 4.8 < 5.15 Search vendor "Linux" for product "Linux Kernel" and version " >= 4.8 < 5.15" | en |
Affected
| ||||||