CVE-2021-3428
Get alerts for future matching vulnerabilitiesLog in to subscribe
I. Basic Information for CVE-2021-3428
Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗ Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.
Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
A flaw was found in the Linux kernel. A denial of service problem is identified if an extent tree is corrupted in a crafted ext4 filesystem in fs/ext4/extents.c in ext4_es_cache_extent. Fabricating an integer overflow, A local attacker with a special user privilege may cause a system crash problem which can lead to an availability threat.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
整数溢出或超界折返
Source: NVD (National Vulnerability Database)
Vulnerability Title
Linux kernel 输入验证错误漏洞
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 存在安全漏洞，攻击者可利用该漏洞可以通过ext4 es cache extent()触发整数溢出，从而触发拒绝服务，并可能运行代码。
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 | Affects linux kernel before v5.9. | - |
II. Public POCs for CVE-2021-3428
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POCPremium
No public POC found.
Login to generate AI POCIII. Intelligence Information for CVE-2021-3428
请登录查看更多情报信息。
- https://bugzilla.redhat.com/show_bug.cgi?id=1972621x_refsource_MISC
- https://www.openwall.com/lists/oss-security/2021/03/17/1x_refsource_MISC
- https://ubuntu.com/security/CVE-2021-3428x_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2021-3428
Same Patch Batch · n/a · 2022-03-04 · 45 CVEs total
| CVE-2022-23915 | 7.2 HIGH | Remote Code Execution (RCE) |
| CVE-2022-26484 | 4.9 MEDIUM | Veritas InfoScale Operations Manager路径遍历漏洞 |
| CVE-2022-26483 | 4.8 MEDIUM | Veritas Infoscale Operations Manager 跨站脚本漏洞 |
| CVE-2021-3656 | KVM 安全漏洞 | |
| CVE-2022-23729 | LG mobile 授权问题漏洞 | |
| CVE-2021-27757 | HCL BigFix Insights 安全漏洞 | |
| CVE-2021-27756 | HCL BigFix Compliance 加密问题漏洞 | |
| CVE-2021-44827 | Tp-link Archer C2 操作系统命令注入漏洞 | |
| CVE-2021-40846 | Rhinode Trading Paints 安全漏洞 | |
| CVE-2021-46384 | MingSoft MCMS 访问控制错误漏洞 | |
| CVE-2021-46353 | D-Link Dir-X1860 安全漏洞 | |
| CVE-2022-23233 | Netapp StorageGRID 安全漏洞 | |
| CVE-2022-23232 | Netapp StorageGRID 授权问题漏洞 | |
| CVE-2021-3575 | OpenJPEG 缓冲区错误漏洞 | |
| CVE-2021-20319 | coreos-installer 数据伪造问题漏洞 | |
| CVE-2022-21828 | Incapptic Connect 安全漏洞 | |
| CVE-2022-25623 | Symantec Management Center 安全漏洞 | |
| CVE-2021-3744 | Linux kernel 安全漏洞 | |
| CVE-2021-3743 | Linux kernel 缓冲区错误漏洞 | |
| CVE-2022-22946 | Vmware VMware Spring Cloud Gateway 信任管理问题漏洞 |
Showing top 20 of 45 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-2026-8276
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-190
- CVE-2026-7568
Signed integer overflow in metaphone() - CVE-2026-42311
Pillow: OOB Write with Invalid PSD Tile Extents (Integer Ove - CVE-2026-42308
Pillow: Integer overflow when processing fonts - CVE-2026-6664
PgBouncer integer overflow in PgBouncer network packet parsi - CVE-2026-42199
Grid: Integer Overflow in Grid::expand_rows Leads to Safe-AP
V. Comments for CVE-2021-3428
No comments yet