CVE-2021-44733
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I. Basic Information for CVE-2021-44733
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
A use-after-free exists in drivers/tee/tee_shm.c in the TEE subsystem in the Linux kernel through 5.15.11. This occurs because of a race condition in tee_shm_get_from_id during an attempt to free a shared memory object.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
Linux kernel 竞争条件问题漏洞
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 5.15.11之前存在竞争条件问题漏洞，该漏洞源于 TEE 子系统中的 drivers/tee/tee_shm.c 中存在 use-after-free。
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 |
|---|---|---|---|---|
| - | n/a | n/a | - |
II. Public POCs for CVE-2021-44733
| # | POC Description | Source Link | Shenlong Link |
|---|---|---|---|
| 1 | Environment with vulnerable kernel for exploitation of the TEE driver (CVE-2021-44733) | https://github.com/pjlantz/optee-qemu | POC Details |
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Patches & Fixes for CVE-2021-44733 (1)
Vendor Advisories for CVE-2021-44733 (2)
- https://security.netapp.com/advisory/ntap-20220114-0003/x_refsource_CONFIRM
Other References for CVE-2021-44733 (3)
- https://github.com/pjlantz/optee-qemu/blob/main/README.mdx_refsource_MISC
Same Patch Batch · n/a · 2021-12-22 · 105 CVEs total
| CVE-2021-40418 | 9.8 CRITICAL | Blackmagic Design DaVinci Resolve 安全漏洞 |
| CVE-2021-40417 | 9.8 CRITICAL | Blackmagic Design DaVinci Resolve 输入验证错误漏洞 |
| CVE-2021-21912 | Advantech R-SeeNet 安全漏洞 | |
| CVE-2021-21924 | Advantech R-SeeNet SQL注入漏洞 | |
| CVE-2021-21923 | Advantech R-SeeNet SQL注入漏洞 | |
| CVE-2021-21922 | Advantech R-SeeNet SQL注入漏洞 | |
| CVE-2021-21921 | Advantech R-SeeNet SQL注入漏洞 | |
| CVE-2021-21920 | Advantech R-SeeNet SQL注入漏洞 | |
| CVE-2021-21919 | Advantech R-SeeNet SQL注入漏洞 | |
| CVE-2021-21918 | Advantech R-SeeNet SQL注入漏洞 | |
| CVE-2021-21917 | Advantech R-SeeNet SQL注入漏洞 | |
| CVE-2021-21916 | Advantech R-SeeNet SQL注入漏洞 | |
| CVE-2021-21915 | Advantech R-SeeNet SQL注入漏洞 | |
| CVE-2021-21902 | Garrett Metal Detectors 授权问题漏洞 | |
| CVE-2021-21905 | Garrett Metal Detectors 缓冲区错误漏洞 | |
| CVE-2021-21904 | Garrett Metal Detectors 路径遍历漏洞 | |
| CVE-2021-21903 | Garrett Metal Detectors 缓冲区错误漏洞 | |
| CVE-2021-21906 | Garrett Metal Detectors 缓冲区错误漏洞 | |
| CVE-2021-21901 | Garrett Metal Detectors 缓冲区错误漏洞 | |
| CVE-2021-21896 | Lantronix PremierWave 2050 路径遍历漏洞 |
Showing top 20 of 105 CVEs. View all on vendor page → →
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V. Comments for CVE-2021-44733
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