CVE-2023-4389
Kernel: btrfs: double free in btrfs_get_root_ref()
Severity Score
7.1
*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 btrfs_get_root_ref in fs/btrfs/disk-io.c in the btrfs filesystem in the Linux Kernel due to a double decrement of the reference count. This issue may allow a local attacker with user privilege to crash the system or may lead to leaked internal kernel information.
Se encontró una falla en btrfs_get_root_ref en fs/btrfs/disk-io.c en el sistema de archivos btrfs en el Kernel de Linux debido a un doble decremento del conteo de referencias. Este problema puede permitir a un atacante local con privilegios de usuario bloquear el sistema o filtrar información interna del kernel.
*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
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2023-08-16 CVE Reserved
- 2023-08-16 CVE Published
- 2023-08-18 EPSS Updated
- 2024-08-02 CVE Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-415: Double Free
CAPEC
References (3)
| URL | Tag | Source |
|---|---|---|
| https://access.redhat.com/security/cve/CVE-2023-4389 | Third Party Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=2219271 | Issue Tracking |
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://patchwork.kernel.org/project/linux-btrfs/patch/20220324134454.15192-1-baijiaju1990@gmail.com | 2023-12-22 |
| 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" | >= 5.7 < 5.10.112 Search vendor "Linux" for product "Linux Kernel" and version " >= 5.7 < 5.10.112" | - |
Affected
| ||||||
| Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | >= 5.11 < 5.15.35 Search vendor "Linux" for product "Linux Kernel" and version " >= 5.11 < 5.15.35" | - |
Affected
| ||||||
| Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | >= 5.16 < 5.17.4 Search vendor "Linux" for product "Linux Kernel" and version " >= 5.16 < 5.17.4" | - |
Affected
| ||||||