CVE-2019-19448
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I. Basic Information for CVE-2019-19448
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel 5.0.21 and 5.3.11, mounting a crafted btrfs filesystem image, performing some operations, and then making a syncfs system call can lead to a use-after-free in try_merge_free_space in fs/btrfs/free-space-cache.c because the pointer to a left data structure can be the same as the pointer to a right data structure.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
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基金会发布的开源操作系统Linux所使用的内核。 Linux kernel 5.0.21版本和5.3.11版本中fs/btrfs/free-space-cache.c文件的‘try_merge_free_space’函数存在资源管理错误漏洞。攻击者可借助特制的btrfs文件系统镜像利用该漏洞执行任意代码或导致拒绝服务。
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 |
|---|---|---|---|---|
| - | n/a | n/a | - |
II. Public POCs for CVE-2019-19448
| # | POC Description | Source Link | Shenlong Link |
|---|
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- https://github.com/bobfuzzer/CVE/tree/master/CVE-2019-19448x_refsource_MISC
- https://security.netapp.com/advisory/ntap-20200103-0001/x_refsource_CONFIRM
- https://nvd.nist.gov/vuln/detail/CVE-2019-19448
Same Patch Batch · n/a · 2019-12-08 · 9 CVEs total
| CVE-2019-19642 | SuperMicro X8STi-F 操作系统命令注入漏洞 | |
| CVE-2019-19636 | libsixel 输入验证错误漏洞 | |
| CVE-2019-19637 | libsixel 输入验证错误漏洞 | |
| CVE-2019-19638 | libsixel 缓冲区错误漏洞 | |
| CVE-2019-19635 | libsixel 缓冲区错误漏洞 | |
| CVE-2019-19630 | HTMLDOC 缓冲区错误漏洞 | |
| CVE-2019-19449 | Linux kernel 缓冲区错误漏洞 | |
| CVE-2019-19447 | Linux kernel 资源管理错误漏洞 |
IV. Related Vulnerabilities
V. Comments for CVE-2019-19448
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