CVE-2021-3506
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I. Basic Information for CVE-2021-3506
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
An out-of-bounds (OOB) memory access flaw was found in fs/f2fs/node.c in the f2fs module in the Linux kernel in versions before 5.12.0-rc4. A bounds check failure allows a local attacker to gain access to out-of-bounds memory leading to a system crash or a leak of internal kernel information. The highest threat from this vulnerability is to system availability.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
跨界内存读
Source: NVD (National Vulnerability Database)
Vulnerability Title
Linux kernel 缓冲区错误漏洞
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 5.12.0-rc4之前版本存在安全漏洞，该漏洞源于边界检查失败，击者可利用该漏洞获得访问边界外内存的权限，从而导致系统崩溃或内部内核信息泄漏。
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 | kernel 5.12.0-rc4 | - |
II. Public POCs for CVE-2021-3506
| # | POC Description | Source Link | Shenlong Link |
|---|
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- https://bugzilla.redhat.com/show_bug.cgi?id=1944298x_refsource_MISC
- https://security.netapp.com/advisory/ntap-20210611-0007/x_refsource_CONFIRM
- https://www.openwall.com/lists/oss-security/2021/03/28/2x_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2021-3506
Same Patch Batch · n/a · 2021-04-19 · 32 CVEs total
| CVE-2021-31255 | GPAC 缓冲区错误漏洞 | |
| CVE-2021-29399 | XMB 跨站脚本漏洞 | |
| CVE-2021-21981 | VMware NSX-T 权限许可和访问控制问题漏洞 | |
| CVE-2021-27027 | Autodesk FBX Review 缓冲区错误漏洞 | |
| CVE-2021-27028 | Autodesk FBX Review 缓冲区错误漏洞 | |
| CVE-2021-27029 | Autodesk FBX Review 代码问题漏洞 | |
| CVE-2021-27030 | Autodesk FBX Review 路径遍历漏洞 | |
| CVE-2021-27031 | Autodesk FBX Review 资源管理错误漏洞 | |
| CVE-2020-28141 | Online Discussion Forum 跨站脚本漏洞 | |
| CVE-2021-31262 | GPAC 代码问题漏洞 | |
| CVE-2021-31261 | GPAC 缓冲区错误漏洞 | |
| CVE-2021-31260 | GPAC 代码问题漏洞 | |
| CVE-2021-31259 | GPAC 代码问题漏洞 | |
| CVE-2021-31258 | GPAC 代码问题漏洞 | |
| CVE-2021-31257 | GPAC 代码问题漏洞 | |
| CVE-2021-31256 | GPAC 缓冲区错误漏洞 | |
| CVE-2021-20208 | SUSE Linux Enterprise Server 安全漏洞 | |
| CVE-2021-31254 | GPAC 缓冲区错误漏洞 | |
| CVE-2021-30199 | GPAC 代码问题漏洞 | |
| CVE-2021-30022 | GPAC 输入验证错误漏洞 |
Showing top 20 of 32 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same product: kernel
- CVE-2025-26604
Possibility to retrieve bot token by malicious module develo - CVE-2021-35000
OpenBSD Kernel Multicast Routing Uninitialized Memory Inform - CVE-2021-34999
OpenBSD Kernel Multicast Routing Uninitialized Memory Inform - CVE-2021-34981
Linux Kernel Bluetooth CMTP Module Double Free Privilege Esc - CVE-2024-24898
Information Leakage in kernel
Same vendor: n/a
- CVE-2026-8741
EMQX QoS 2 PUBLISH Packet emqx_persistent_session_ds.erl rac - CVE-2026-8731
Open5GS NRF client.c ogs_sbi_client_add denial of service - CVE-2026-8730
Open5GS NRF context.c ogs_sbi_nf_instance_set_id denial of s - CVE-2026-8729
Open5GS NRF message.c denial of service - CVE-2026-8728
Open5GS NRF conv.c ogs_sbi_discovery_option_parse_plmn_list
V. Comments for CVE-2021-3506
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