CVE-2021-28964
Severity Score
4.7
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
0
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
A race condition was discovered in get_old_root in fs/btrfs/ctree.c in the Linux kernel through 5.11.8. It allows attackers to cause a denial of service (BUG) because of a lack of locking on an extent buffer before a cloning operation, aka CID-dbcc7d57bffc.
Se detectó una condición de carrera en la función get_old_root en el archivo fs/btrfs/ctree.c en el kernel de Linux versiones hasta 5.11.8. Permite a atacantes causar una denegación de servicio (BUG) debido a una falta de bloqueo en un búfer de extensión antes de una operación de clonación, también se conoce como CID-dbcc7d57bffc
*Credits:
N/A
CVSS Scores
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
- 2021-03-22 CVE Reserved
- 2021-03-22 CVE Published
- 2023-03-08 EPSS Updated
- 2024-08-03 CVE Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
CAPEC
References (7)
| URL | Tag | Source |
|---|---|---|
| https://lists.debian.org/debian-lts-announce/2021/06/msg00019.html | Mailing List |
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| https://lists.debian.org/debian-lts-announce/2021/06/msg00020.html | Mailing List |
|
| https://security.netapp.com/advisory/ntap-20210430-0003 | Third Party Advisory |
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| URL | Date | SRC |
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| URL | Date | SRC |
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Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Netapp Search vendor "Netapp" | Aff A250 Firmware Search vendor "Netapp" for product "Aff A250 Firmware" | - | - |
Affected
| in | Netapp Search vendor "Netapp" | Aff A250 Search vendor "Netapp" for product "Aff A250" | - | - |
Safe
|
| Netapp Search vendor "Netapp" | Fas 500f Firmware Search vendor "Netapp" for product "Fas 500f Firmware" | - | - |
Affected
| in | Netapp Search vendor "Netapp" | Fas 500f Search vendor "Netapp" for product "Fas 500f" | - | - |
Safe
|
| Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | <= 5.11.8 Search vendor "Linux" for product "Linux Kernel" and version " <= 5.11.8" | - |
Affected
| ||||||
| Fedoraproject Search vendor "Fedoraproject" | Fedora Search vendor "Fedoraproject" for product "Fedora" | 32 Search vendor "Fedoraproject" for product "Fedora" and version "32" | - |
Affected
| ||||||
| Fedoraproject Search vendor "Fedoraproject" | Fedora Search vendor "Fedoraproject" for product "Fedora" | 33 Search vendor "Fedoraproject" for product "Fedora" and version "33" | - |
Affected
| ||||||
| Fedoraproject Search vendor "Fedoraproject" | Fedora Search vendor "Fedoraproject" for product "Fedora" | 34 Search vendor "Fedoraproject" for product "Fedora" and version "34" | - |
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
| ||||||
| Netapp Search vendor "Netapp" | Cloud Backup Search vendor "Netapp" for product "Cloud Backup" | - | - |
Affected
| ||||||
| Netapp Search vendor "Netapp" | Solidfire Baseboard Management Controller Firmware Search vendor "Netapp" for product "Solidfire Baseboard Management Controller Firmware" | - | - |
Affected
| ||||||