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I. Basic Information for CVE-2023-0266
Vulnerability Information
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Vulnerability Title
Use after free in SNDRV_CTL_IOCTL_ELEM in Linux Kernel
Source: NVD (National Vulnerability Database)
Vulnerability Description
A use after free vulnerability exists in the ALSA PCM package in the Linux Kernel. SNDRV_CTL_IOCTL_ELEM_{READ|WRITE}32 is missing locks that can be used in a use-after-free that can result in a priviledge escalation to gain ring0 access from the system user. We recommend upgrading past commit 56b88b50565cd8b946a2d00b0c83927b7ebb055e
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:C/C:L/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
释放后使用
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存在资源管理错误漏洞，该漏洞源于内存释放后重用，从而导致权限升级。
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
VendorProductAffected VersionsCPESubscribe
LinuxLinux Kernel 4.14 ~ 56b88b50565cd8b946a2d00b0c83927b7ebb055e -
II. Public POCs for CVE-2023-0266
#POC DescriptionSource LinkShenlong Link
1Demo showing Claude Opus does not find CVE-2023-0266https://github.com/SeanHeelan/claude_opus_cve_2023_0266POC Details
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III. Intelligence Information for CVE-2023-0266
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IV. Related Vulnerabilities
Same product: Linux Kernel
Same vendor: Linux
Same weakness: CWE-416
V. Comments for CVE-2023-0266

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