CVE-2023-4389— Kernel: btrfs: double free in btrfs_get_root_ref()
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I. Basic Information for CVE-2023-4389
Vulnerability Information
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Vulnerability Title
Kernel: btrfs: double free in btrfs_get_root_ref()
Source: NVD (National Vulnerability Database)
Vulnerability Description
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.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
双重释放
Source: NVD (National Vulnerability Database)
Vulnerability Title
Linux kernel 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。 Linux kernel存在安全漏洞，该漏洞源于引用计数双减，可能允许具有用户权限的本地攻击者使系统崩溃或者导致内部内核信息泄露。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| - | Kernel | 5.18-rc3 | - | |
| Red Hat | Red Hat Enterprise Linux 6 | - | cpe:/o:redhat:enterprise_linux:6 | |
| Red Hat | Red Hat Enterprise Linux 7 | - | cpe:/o:redhat:enterprise_linux:7 | |
| Red Hat | Red Hat Enterprise Linux 7 | - | cpe:/o:redhat:enterprise_linux:7 | |
| Red Hat | Red Hat Enterprise Linux 8 | - | cpe:/o:redhat:enterprise_linux:8 | |
| Red Hat | Red Hat Enterprise Linux 8 | - | cpe:/o:redhat:enterprise_linux:8 | |
| Red Hat | Red Hat Enterprise Linux 9 | - | cpe:/o:redhat:enterprise_linux:9 | |
| Red Hat | Red Hat Enterprise Linux 9 | - | cpe:/o:redhat:enterprise_linux:9 | |
| Fedora | Fedora | - | - |
II. Public POCs for CVE-2023-4389
| # | POC Description | Source Link | Shenlong Link |
|---|
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No public POC found.
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Same Patch Batch · n/a · 2023-08-16 · 9 CVEs total
| CVE-2023-26140 | 6.1 MEDIUM | excalidraw 跨站脚本漏洞 |
| CVE-2020-26037 | Even Balance Punkbuster 路径遍历漏洞 | |
| CVE-2023-39975 | MIT Kerberos 资源管理错误漏洞 | |
| CVE-2023-39115 | Campcodes Online Matrimonial Website System 代码问题漏洞 | |
| CVE-2023-38904 | Netlify CMS 跨站脚本漏洞 | |
| CVE-2023-33663 | PrestaShop SQL注入漏洞 | |
| CVE-2023-39846 | Konga 授权问题漏洞 | |
| CVE-2023-38894 | Tree Kit 安全漏洞 |
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V. Comments for CVE-2023-4389
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