Allwinnertech

allwinnertech

7 CVEs • 2 products

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CVEs (7)

CVE VENDORS PRODUCTS UPDATED PUBLISHED CVSS
CVE-2021-38789 1Allwinnertech 1Android Q Sdk Jun 17, 2026 Jan 19, 2022 N/A· v4 7.5 HIGH· v3 5.0 MEDIUM· v2 Allwinner R818 SoC Android Q SDK V1.0 is affected by an incorrect access control vulnerability that does not check the caller's permission, in which a third-party app could change system settings.
CVE-2021-38788 1Allwinnertech 1Android Q Sdk Jun 17, 2026 Jan 19, 2022 N/A· v4 7.5 HIGH· v3 5.0 MEDIUM· v2 The Background service in Allwinner R818 SoC Android Q SDK V1.0 is used to manage background applications. Malicious apps can use the interface provided by the service to set the number of applications allowed to run in...Show more The Background service in Allwinner R818 SoC Android Q SDK V1.0 is used to manage background applications. Malicious apps can use the interface provided by the service to set the number of applications allowed to run in the background to 0 and add themselves to the whitelist, so that once other applications enter the background, they will be forcibly stopped by the system, causing a denial of service.Show less
CVE-2021-38787 1Allwinnertech 1Android Q Sdk Jun 17, 2026 Jan 19, 2022 N/A· v4 7.5 HIGH· v3 7.8 HIGH· v2 There is an integer overflow in the ION driver "/dev/ion" of Allwinner R818 SoC Android Q SDK V1.0 that could use the ioctl cmd "COMPAT_ION_IOC_SUNXI_FLUSH_RANGE" to cause a system crash (denial of service).
CVE-2021-38786 1Allwinnertech 1Android Q Sdk Jun 17, 2026 Jan 19, 2022 N/A· v4 7.5 HIGH· v3 5.0 MEDIUM· v2 There is a NULL pointer dereference in media/libcedarc/vdecoder of Allwinner R818 SoC Android Q SDK V1.0, which could cause a media crash (denial of service).
CVE-2021-38785 1Allwinnertech 1Android Q Sdk Jun 17, 2026 Jan 18, 2022 N/A· v4 7.5 HIGH· v3 7.8 HIGH· v2 There is a NULL pointer deference in the Allwinner R818 SoC Android Q SDK V1.0 camera driver /dev/cedar_dev that could use the ioctl cmd IOCTL_GET_IOMMU_ADDR to cause a system crash.
CVE-2021-38784 1Allwinnertech 1Android Q Sdk Jun 17, 2026 Jan 18, 2022 N/A· v4 7.5 HIGH· v3 7.8 HIGH· v2 There is a NULL pointer dereference in the syscall open_exec function of Allwinner R818 SoC Android Q SDK V1.0 that could executable a malicious file to cause a system crash.
CVE-2021-38783 1Allwinnertech 1Android Q Sdk Jun 17, 2026 Jan 18, 2022 N/A· v4 7.5 HIGH· v3 7.8 HIGH· v2 There is a Out-of-Bound Write in the Allwinner R818 SoC Android Q SDK V1.0 camera driver "/dev/cedar_dev" through iotcl cmd IOCTL_SET_PROC_INFO and IOCTL_COPY_PROC_INFO, which could cause a system crash or EoP.