CVE-2021-4148
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I. Basic Information for CVE-2021-4148
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
A vulnerability was found in the Linux kernel's block_invalidatepage in fs/buffer.c in the filesystem. A missing sanity check may allow a local attacker with user privilege to cause a denial of service (DOS) problem.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
完整性检查值验证不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
Linux kernel 安全漏洞
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存在安全漏洞，该漏洞源于缺少完整性检查可能允许具有用户权限的本地攻击者导致拒绝服务 (DOS) 问题。
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 5.14.16 | - |
II. Public POCs for CVE-2021-4148
| # | POC Description | Source Link | Shenlong Link |
|---|
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- https://bugzilla.redhat.com/show_bug.cgi?id=2026487x_refsource_MISC
- https://lkml.org/lkml/2021/9/12/323x_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2021-4148
Same Patch Batch · n/a · 2022-03-23 · 65 CVEs total
| CVE-2022-27192 | Aseco Lietuva document management system DVS Avilys 日志信息泄露漏洞 | |
| CVE-2022-27077 | Tenda M3 命令注入漏洞 | |
| CVE-2022-27080 | Tenda M3 命令注入漏洞 | |
| CVE-2022-27079 | Tenda M3 命令注入漏洞 | |
| CVE-2022-27078 | Tenda M3 命令注入漏洞 | |
| CVE-2020-20096 | Meta Facebook Messenger 安全漏洞 | |
| CVE-2020-20095 | Apple iMessage iOS 安全漏洞 | |
| CVE-2020-20094 | Meta Facebook Messenger 安全漏洞 | |
| CVE-2020-20093 | Meta Facebook Messenger 安全漏洞 | |
| CVE-2022-25041 | OpenEMR 安全漏洞 | |
| CVE-2022-25267 | Passwork On-Premise Edition 路径遍历漏洞 | |
| CVE-2022-24934 | Kingsoft WPS 代码注入漏洞 | |
| CVE-2022-22819 | Nxp Semiconductors Nxp Lpc55S69 安全漏洞 | |
| CVE-2022-27254 | Honda Civic 安全漏洞 | |
| CVE-2022-23881 | ZZZCMS zzzphp 安全漏洞 | |
| CVE-2022-23880 | Taocms 代码问题漏洞 | |
| CVE-2022-22952 | VMware Carbon Black App Control 代码问题漏洞 | |
| CVE-2022-22951 | VMware Carbon Black App Control 操作系统命令注入漏洞 | |
| CVE-2021-4150 | Linux kernel 资源管理错误漏洞 | |
| CVE-2021-4149 | Linux kernel 竞争条件问题漏洞 |
Showing top 20 of 65 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same product: kernel
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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-2026-8276
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
Same weakness: CWE-354
- CVE-2026-32148
Lockfile checksums not verified in Hex allows dependency int - CVE-2026-32105
xrdp: RDP MAC signature (dataSignature) never verified on re - CVE-2026-5479
wolfSSL EVP ChaCha20-Poly1305 AEAD authentication tag - CVE-2026-5504
PKCS7 CBC Padding Oracle — Plaintext Recovery - CVE-2026-26928
Lack of Dynamic Library Validation in SzafirHost
V. Comments for CVE-2021-4148
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