An issue was discovered on Samsung mobile devices with Q(10.0) (Exynos990 chipsets) software. The S3K250AF Secure Element CC EAL 5+ chip allows attackers to execute arbitrary code and obtain sensitive information via a buffer overflow. The Samsung ID is SVE-2020-18632 (November 2020).

An issue was discovered on Samsung mobile devices with O(8.x), P(9.0), Q(10.0), and R(11.0) software. Attackers can bypass Factory Reset Protection (FRP) via Secure Folder. The Samsung ID is SVE-2020-18546 (November 2020).

In checkGrantUriPermission of UriGrantsManagerService.java, there is a possible way to access contacts due to a permissions bypass. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11Android ID: A-138791358

In checkGrantUriPermission of UriGrantsManagerService.java, there is a possible permissions bypass. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11Android ID: A-140729426

Product: AndroidVersions: Android kernelAndroid ID: A-127973231References: Upstream kernel

kernel: use after free due to a race condition may lead to local escalation of privilege

In the l2tp subsystem, there is a possible use after free due to a race condition. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-152409173

kernel: use after free in xfrm6_tunnel_free_spi of net/ipv6/xfrm6_tunnel.c leads to local escalation of privilege

In xfrm6_tunnel_free_spi of net/ipv6/xfrm6_tunnel.c, there is a possible use after free due to improper locking. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-168043318

In onAuthenticated of AuthenticationClient.java, there is a possible tapjacking attack when requesting the user's fingerprint due to an overlaid window. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is needed for exploitation. Product: Android; Versions: Android-8.0, Android-8.1, Android-9, Android-10, 11; Android ID: A-159249069.

In getGpuStatsGlobalInfo and getGpuStatsAppInfo of GpuService.cpp, there is a possible permission bypass due to a missing permission check. This could lead to local information disclosure of gpu statistics with User execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11Android ID: A-161903239

In SELinux policies of mls, there is a missing permission check. This could lead to local information disclosure of package metadata with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11Android ID: A-161356067

In isSubmittable and showWarningMessagesIfAppropriate of WifiConfigController.java and WifiConfigController2.java, there is a possible insecure WiFi configuration due to improper input validation. This could lead to remote information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11Android ID: A-161378819

In onFactoryReset of BluetoothManagerService.java, there is a missing permission check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11Android ID: A-159061926

In broadcastWifiCredentialChanged of ClientModeImpl.java, there is a possible location permission bypass due to a missing permission check. This could lead to local information disclosure of the WiFi network name with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11Android ID: A-159371448

In getLockTaskLaunchMode of ActivityRecord.java, there is a possible way for any app to start in Lock Task Mode due to a permissions bypass. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11Android ID: A-158833495

In NFA_RwI93WriteMultipleBlocks of nfa_rw_api.cc, there is a possible out of bounds write due to an integer overflow. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-11Android ID: A-157650338

In rw_i93_send_cmd_write_multi_blocks of rw_i93.cc, there is a possible out of bounds write due to a heap buffer overflow. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-11Android ID: A-157650365

In rw_t3t_send_raw_frame of rw_t3t.cc, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-11Android ID: A-157649467

In RW_SendRawFrame of rw_main.cc, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-11Android ID: A-157650117

In ce_t4t_update_binary of ce_t4t.cc, there is a possible out of bounds read due to a missing bounds check. This could lead to local information disclosure with no additional execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-11Android ID: A-157649298

In nfc_ncif_proc_ee_action of nfc_ncif.cc, there is a possible out of bounds read due to a missing bounds check. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11Android ID: A-157649306