CVE-2020-27830
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I. Basic Information for CVE-2020-27830
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
A vulnerability was found in Linux Kernel where in the spk_ttyio_receive_buf2() function, it would dereference spk_ttyio_synth without checking whether it is NULL or not, and may lead to a NULL-ptr deref crash.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
空指针解引用
Source: NVD (National Vulnerability Database)
Vulnerability Title
Linux kernel 代码问题漏洞
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spk_ttyio_receive_buf2中空指针错误。
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 5.9.14 | - |
II. Public POCs for CVE-2020-27830
| # | POC Description | Source Link | Shenlong Link |
|---|
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No public POC found.
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- https://bugzilla.redhat.com/show_bug.cgi?id=1919900x_refsource_MISC
- https://security.netapp.com/advisory/ntap-20210625-0004/x_refsource_CONFIRM
- https://nvd.nist.gov/vuln/detail/CVE-2020-27830
Same Patch Batch · n/a · 2021-05-13 · 36 CVEs total
| CVE-2021-23909 | 6.3 MEDIUM | Mercedes Benz HERMES E Series 缓冲区错误漏洞 |
| CVE-2021-23910 | 5.3 MEDIUM | Mercedes Benz HERMES 缓冲区错误漏洞 |
| CVE-2021-23908 | 2.9 LOW | Mercedes-Benz AG MBUX Infotainment System 安全漏洞 |
| CVE-2021-23907 | 2.9 LOW | Mercedes-Benz AG MBUX Infotainment System 输入验证错误漏洞 |
| CVE-2021-23906 | 1.8 LOW | Mercedes-Benz AG MBUX Infotainment System 输入验证错误漏洞 |
| CVE-2021-25693 | Teradici PCoIP Graphics Agent 代码问题漏洞 | |
| CVE-2021-3528 | Red Hat OpenShift 日志信息泄露漏洞 | |
| CVE-2020-25713 | Red Hat Enterprise Linux 缓冲区错误漏洞 | |
| CVE-2020-28063 | ArticleCMS 代码问题漏洞 | |
| CVE-2020-20092 | ArticleCMS 代码问题漏洞 | |
| CVE-2020-27823 | OpenJPEG 缓冲区错误漏洞 | |
| CVE-2020-27824 | OpenJPEG 缓冲区错误漏洞 | |
| CVE-2020-14354 | Fedora 资源管理错误漏洞 | |
| CVE-2021-20250 | Red Hat JBoss EJB Client 信息泄露漏洞 | |
| CVE-2021-32919 | Prosodical Thoughts Prosody 信任管理问题漏洞 | |
| CVE-2021-25694 | Teradici PCoIP Graphics Agent 代码问题漏洞 | |
| CVE-2021-22154 | Blackberry BlackBerry UEM 信息泄露漏洞 | |
| CVE-2021-22153 | Blackberry BlackBerry UEM 安全漏洞 | |
| CVE-2021-22152 | Blackberry BlackBerry UEM 输入验证错误漏洞 | |
| CVE-2021-31215 | Schedmd SchedMD Slurm 安全漏洞 |
Showing top 20 of 36 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same product: kernel
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OpenBSD Kernel Multicast Routing Uninitialized Memory Inform - CVE-2021-34981
Linux Kernel Bluetooth CMTP Module Double Free Privilege Esc - CVE-2024-24898
Information Leakage in kernel
Same weakness: CWE-476
- CVE-2026-8252
Open5GS SMF smf_nsmf_handle_create_data_in_hsmf null pointer - CVE-2026-7259
Null pointer dereference in php_mb_check_encoding() via mb_e - CVE-2026-7262
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Argo Workflows: SSO RBAC Delegation Nil Pointer Dereference - CVE-2026-6666
PgBouncer crash in kill_pool_logins_server_error
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