CVE-2023-2612— shiftfs lock unbalance in Ubuntu-specific kernels
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I. Basic Information for CVE-2023-2612
Vulnerability Information
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Vulnerability Title
shiftfs lock unbalance in Ubuntu-specific kernels
Source: NVD (National Vulnerability Database)
Vulnerability Description
Jean-Baptiste Cayrou discovered that the shiftfs file system in the Ubuntu Linux kernel contained a race condition when handling inode locking in some situations. A local attacker could use this to cause a denial of service (kernel deadlock).
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
加锁机制不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
Canonical Ubuntu 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Canonical Ubuntu是英国科能软件（Canonical）公司的一套以桌面应用为主的GNU/Linux操作系统。 Canonical Ubuntu Linux kernel（OEM）存在安全漏洞。攻击者利用该漏洞导致系统拒绝服务。
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 |
|---|---|---|---|---|
| Canonical Ltd. | ubuntu-linux | 0 ~ 02b47547824b1cd0d55c6744f91886f04de8947e | - |
II. Public POCs for CVE-2023-2612
| # | POC Description | Source Link | Shenlong Link |
|---|
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- https://ubuntu.com/security/CVE-2023-2612vendor-advisory
- https://ubuntu.com/security/notices/USN-6123-1vendor-advisory
- https://ubuntu.com/security/notices/USN-6127-1vendor-advisory
- https://ubuntu.com/security/notices/USN-6122-1vendor-advisory
- https://nvd.nist.gov/vuln/detail/CVE-2023-2612
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V. Comments for CVE-2023-2612
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