CVE-2020-25632
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I. Basic Information for CVE-2020-25632
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
A flaw was found in grub2 in versions prior to 2.06. The rmmod implementation allows the unloading of a module used as a dependency without checking if any other dependent module is still loaded leading to a use-after-free scenario. This could allow arbitrary code to be executed or a bypass of Secure Boot protections. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
释放后使用
Source: NVD (National Vulnerability Database)
Vulnerability Title
grub2 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
grub2是GNU社区的一款Linux系统引导程序。 grub2 存在资源管理错误漏洞，该漏洞源于rmmod 命令。以下产品和版本受到影响：grub2 in versions prior to 2.06.
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 |
|---|---|---|---|---|
| - | grub2 | grub 2.06 | - |
II. Public POCs for CVE-2020-25632
| # | POC Description | Source Link | Shenlong Link |
|---|
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- https://security.netapp.com/advisory/ntap-20220325-0001/x_refsource_CONFIRM
- https://bugzilla.redhat.com/show_bug.cgi?id=1879577x_refsource_MISC
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZWZ36QK4IKU6MWDWNOOWKPH3WXZBHT2R/vendor-advisoryx_refsource_FEDORA
- https://nvd.nist.gov/vuln/detail/CVE-2020-25632
Same Patch Batch · n/a · 2021-03-03 · 36 CVEs total
| CVE-2021-23347 | 4.7 MEDIUM | Cross-site Scripting (XSS) |
| CVE-2020-28597 | Epignosis EfrontPro 安全漏洞 | |
| CVE-2020-25647 | grub2 缓冲区错误漏洞 | |
| CVE-2021-20225 | grub2 缓冲区错误漏洞 | |
| CVE-2021-20233 | grub2 缓冲区错误漏洞 | |
| CVE-2020-29047 | WordPress 代码问题漏洞 | |
| CVE-2021-22877 | Nextcloud 访问控制错误漏洞 | |
| CVE-2021-22878 | Nextcloud Server 跨站脚本漏洞 | |
| CVE-2020-8296 | Nextcloud 安全漏洞 | |
| CVE-2021-21978 | VMware View Planner 代码问题漏洞 | |
| CVE-2020-27749 | grub2 缓冲区错误漏洞 | |
| CVE-2020-28591 | Slic3r 缓冲区错误漏洞 | |
| CVE-2020-13558 | WebKitGTK 资源管理错误漏洞 | |
| CVE-2021-22681 | Rockwell Automation RSLogix 500 和 Logix Designer Studio 5000 安全漏洞 | |
| CVE-2021-27839 | Online Invoicing System 注入漏洞 | |
| CVE-2021-27935 | AdGuard 安全漏洞 | |
| CVE-2021-27931 | LumisXP 代码问题漏洞 | |
| CVE-2021-27940 | openark orchestrator 跨站脚本漏洞 | |
| CVE-2021-22666 | FATEK FvDesigner 缓冲区错误漏洞 | |
| CVE-2021-27923 | Pillow 输入验证错误漏洞 |
Showing top 20 of 36 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same product: grub2
- CVE-2025-54770
Grub2: use-after-free in net_set_vlan - CVE-2025-61664
Grub2: missing unregister call for normal_exit command may l - CVE-2025-61663
Grub2: missing unregister call for normal commands may lead - CVE-2025-61662
Grub2: missing unregister call for gettext command may lead - CVE-2025-61661
Grub2: grub2: out-of-bounds write via malicious usb device
Same vendor: n/a
- CVE-2026-8276
bettercap MySQL Server mysql_server.go integer coercion - CVE-2026-8275
bettercap zerogod IPP Service zerogod_ipp_primitives.go ippR - CVE-2026-8270
Open5GS SMF ogs_nas_parse_qos_rules denial of service - CVE-2026-8269
Open5GS SMF smf_nsmf_handle_create_sm_context denial of serv - CVE-2026-8268
Open5GS SMF OpenAPI_list_create denial of service
V. Comments for CVE-2020-25632
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