Updates
Samsung May 2023 One UI patch fixes issues of bootloader, Call, App Lock, and more

Samsung published May 2023 One UI patch details for Galaxy users. This security maintenance release will bring fixes for 21 Samsung Vulnerabilities and Exposures (SVE) items along with more than 58 common vulnerability exposures by Google.
Samsung May 2023 One UI patch
SVE-2023-0010 (CVE-2023-21489)
Out-of-bounds write vulnerability in bootloader
Heap out-of-bounds write vulnerability in bootloader before SMR May-2023 Release 1 allows a physical attacker to execute arbitrary code on Galaxy devices running Android 11/12/13 OS with Qualcomm processor onboard, the May 2023 release adds proper boundary check logic.
SVE-2022-2946 (CVE-2023-21486, CVE-2023-21485)
Improper export of Android application components in Call Settings
Improper export of Android application components vulnerability in Call Settings allows physical attackers to access some media data stored in the sandbox, which may have affected Galaxy devices running Android 11, 12, and 13. Samsung’s May One UI patch includes a proper solution to the vulnerability.
SVE-2022-2957(CVE-2023-21487)
Improper access control vulnerability in Telephony framework
Samsung phones on Android OS (v11, v12, and v13) may have been affected by improper access control vulnerability in the Telephony framework, which lets local attackers change a call setting. Thankfully, the new patch brings proper permission to protect a receiver.
SVE-2022-2821(CVE-2023-21484)
Improper access control vulnerability in AppLock
Improper access control vulnerability in AppLock allows local attackers without proper permission to execute a privileged operation on Samsung devices with Android 11, 12, and 13. Meanwhile, the May patch adds a permission check.
In addition, Samsung’s latest Galaxy security software brings patches to a handful of more moderate issues related to FactoryTest, Knox Enrollment Service, SemShareFileProvider, ActivityManagerService, ThemeManager, GearManagerStub, Tips, Shannon, Exynos CP chipsets and more.
May 2023 Android patch
Alongside the One UI patches, Samsung’s May 2023 software will include Android CVE items discovered and patched by Google too. Per the details, it solves 4 critical, 48 high and 3 moderate level of common vulnerability exposures, however, 2 were fixed in the previous release and 1 isn’t applicable on Galaxy devices.
Critical
- CVE-2022-33231, CVE-2022-33288, CVE-2022-33289, CVE-2022-33302
High
CVE-2022-32599, CVE-2022-41757, CVE-2022-38181, CVE-2022-36449, CVE-2022-33917, CVE-2022-42716, CVE-2021-0873, CVE-2021-0884, CVE-2021-0883, CVE-2021-0882, CVE-2021-0881, CVE-2021-0880, CVE-2021-0879, CVE-2021-0878, CVE-2021-0874, CVE-2021-0875
CVE-2021-0876, CVE-2021-0872, CVE-2021-0885, CVE-2022-4696, CVE-2023-20941, CVE-2023-20656, CVE-2023-20654, CVE-2023-20652, CVE-2023-20653, CVE-2023-20657, CVE-2022-33269, CVE-2023-21630, CVE-2022-33270, CVE-2022-40503, CVE-2022-47335
CVE-2022-47336, CVE-2022-47338, CVE-2022-47337, CVE-2021-39617, CVE-2022-20338, CVE-2023-20993, CVE-2023-21109, CVE-2023-21117, CVE-2023-20914, CVE-2023-21104, CVE-2023-20930, CVE-2023-21110, CVE-2022-20444, CVE-2023-21112, CVE-2023-21118, CVE-2023-21103, CVE-2023-21111
Moderate
- CVE-2022-22706, CVE-2023-21116, CVE-2023-0266
Already included in previous updates
- CVE-2023-20655, CVE-2022-40532
Not applicable to Samsung devices
- CVE-2023-21107
| Source |
Updates
Samsung Galaxy S21 FE users welcome May 2023 update in India

Samsung has started rolling out May 2023 security update for Galaxy S21 FE 5G in India. Now, users in India can install the latest update to get a better and bug-free experience.
The company is dispatching the latest software update with system security improvements to keep your files and data safe on your phone. It also optimizes system stability to offer you uninterrupted and seamless functionality on your device.
May 2023 security update for Samsung Galaxy S21 FE in India comes with a firmware version G990EXXS6EWE3 and users will have to download a 233.53 MB package to install the update. Notably, the update is already available in several countries including Brazil and Europe.
Earlier in May 2023, Samsung released the latest patch details, which mention that the update mends more than 70 flaws including 4 critical, 48 high, and 3 moderate levels of common vulnerability exposures. It contains fixes related to Bootloader, App lock, Call Settings, and Telephony framework.
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Your Samsung Galaxy S21 FE smartphone will notify you to download and install the new update when available. Meanwhile, there’s an easy way to manually force installation by navigating to the device’s Settings, then a Software update, and Download and install.
Updates
Samsung Galaxy M52 May 2023 update starts rolling out [U: Europe]

Samsung is expanding the May 2023 security update for the Galaxy M52 smartphone in Europe. Users can identify the latest update through One UI build version M526BRXXU2CWD1.
The new update is currently rolling out in limited European countries including Poland and the company will soon make it available in more countries.
May 18, 2023
Samsung has begun pushing a new update with the latest May 2023 security patch for the Galaxy M52 smartphone. The new software comes with One UI build version M526BXXS2CWE3.
The latest update aims to improve the phone’s security with the latest Android patch released in May 2023. However, there are no other improvements and feature recorders in the newest update changelog.
Users of Samsung Galaxy M52 smartphones are currently getting this update in Brazil. As it is an initial rollout so the company will expand this update to more Galaxy M52 models in the upcoming days.
The installation package size of this update is 253.63 megabytes, we suggest all of the consumers download this update manually via Settings >> Software Update >> Download and install.
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May 2023 Security Patch
Samsung’s May 2023 security patch fixes over 70 issues including 5 Critical, 46 High, and 1 Moderate levels of common vulnerability exposures. Aside from this, the update also brings other bug fixes and stability improvements.
Samsung Galaxy M52
Back in 2021, Samsung launched Galaxy M52 5G smartphone with a number of high-quality hardware and software capabilities such as a 7.4mm sleek design, a 6nm-based Snapdragon 778G processor, a 5000mAh battery, and more. It comes pre-installed with Android 11-based One UI 3.1 and received an Android 13-based One UI 5.1 update in March 2023.
Updates
Massive May 2023 security update releasing for Samsung Galaxy A23

Samsung Galaxy A23 smartphone is getting a big size update, which installs the latest Android patch released in May 2023 to improve system security. At the moment, the update is rolling out in India, however, several countries’ Galaxy A23 models already received it.
Major May 2023 security update for Samsung Galaxy A23 smartphone arrives with One UI build version A236EXXS4CWD6 and a massive installation package size of 1557.53 MB.
Although no new changes or features are mentioned in the changelog but the package size of this update is big, so it is expected to bring new features like Image Clipper for the Gallery app and Camera improvements. You can see the changes after installing the latest version, we recommend users to connect their devices to Wi-Fi.
As per the details, May 2023 security patch brings fixes for over 70 security flaws, including 4 critical, 48 high, and 3 moderate levels of CVEs. The latest firmware also enhances system security and stability to make your Galaxy A23 device more secure.
Furthermore, this firmware also updates several stock apps including Galaxy Wearable, Samsung Global Goals, Notes, Internet, Health, SmartThings, Members, Wallet, Calculator, Smart Switch, and Voice Recorder to the latest version.
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You can install and download the firmware through your smartphone’s Settings >> Software Update >> Download and Install. If you have received the update, then follow the on-screen instructions to install the latest update.