Help Center/ Relational Database Service/ Kernels/ RDS for MySQL Kernel/ RDS for MySQL Kernel Version Description
Updated on 2025-03-19 GMT+08:00

RDS for MySQL Kernel Version Description

This section describes the kernel version updates of RDS.

RDS for MySQL 8.0

Table 1 RDS for MySQL 8.0 version description

Date

Description

2025-01-14

Updates in RDS for MySQL 8.0.32:

  • Issues resolved
    • The issue that the kernel reports a warning for passwords that do not meet complexity requirements was resolved.
    • The issue that certain root privileges are removed after a DB instance is upgraded from 8.0.28 to 8.0.32 was resolved.
    • Audit logging issues in certain scenarios were resolved.
    • The minimum value of max_execution_time was changed from 60 to 1 (unit: second).
NOTE:
  • To upgrade your DB instance to 8.0.32, to apply for required permissions.
  • The performance of MySQL 8.0.32 deteriorates in some scenarios due to instant_col. For details, see Bug 111538.

2024-10-28

Updates in RDS for MySQL 8.0.32:

  • Issues resolved
    • The statement outline was optimized to support the EXPLAIN ANALYZE statement.
    • The deadlock problem in the 8.0.28.x community edition was resolved.
    • Some bugs in SQL statement concurrency control were fixed.
    NOTE:
    • To upgrade your DB instance to 8.0.32, to apply for required permissions.
    • The performance of MySQL 8.0.32 deteriorates in some scenarios due to instant_col. For details, see Bug 111538.

2024-06-18

Updates in RDS for MySQL 8.0.28:

  • Issues resolved

    The issue that a deadlock may occur during SHOW PROCESSLIST execution due to LOCK_thd_security_ctx introduced by sessions was resolved. For details, see Bug #32320541.

2024-05-23

The kernel version was upgraded to 8.0.32.

  • New features and performance optimized
    • Dynamic privileges of MySQL 8.0 allow the SUPER user to grant advanced administrative privileges, such as SESSION_VARIABLES_ADMIN and SYSTEM_VARIABLES_ADMIN, to other users. In RDS for MySQL 8.0.32, users are prevented from assigning risky permissions that may cause instance exceptions to themselves.
    • When columns are added to or deleted from a table, the default algorithm can be changed from INSTANT to INPLACE or COPY.
  • Issues resolved

    The issues resolved are the same as those of the community edition. For details, see Changes in MySQL 8.0.32.

    NOTE:
    • To upgrade your DB instance to 8.0.32, to apply for required permissions.
    • The performance of MySQL 8.0.32 deteriorates in some scenarios due to instant_col. For details, see Bug 111538.
  • Security hardening
    • The following security vulnerabilities were fixed: CVE-2018-25032, CVE-2021-22570, CVE-2022-21412, CVE-2022-21413, CVE-2022-21414, CVE-2022-21415, CVE-2022-21417, CVE-2022-21418, CVE-2022-21423, CVE-2022-21425, CVE-2022-21427, CVE-2022-21435, CVE-2022-21436, CVE-2022-21437, CVE-2022-21438, CVE-2022-21440, CVE-2022-21444, CVE-2022-21451, CVE-2022-21452, CVE-2022-21455, CVE-2022-21459, CVE-2022-21460, CVE-2022-21462, CVE-2022-21478, CVE-2022-21479, CVE-2022-21509, CVE-2022-21515, CVE-2022-21517, CVE-2022-21522, CVE-2022-21525, CVE-2022-21526, CVE-2022-21527, CVE-2022-21528, CVE-2022-21529, CVE-2022-21530, CVE-2022-21531, CVE-2022-21534, CVE-2022-21537, CVE-2022-21538, CVE-2022-21539, CVE-2022-21547, CVE-2022-21553, CVE-2022-21556, CVE-2022-21569, CVE-2022-21592, CVE-2022-21594, CVE-2022-21599, CVE-2022-21604, CVE-2022-21605, CVE-2022-21607, CVE-2022-21608, CVE-2022-21611, CVE-2022-21617, CVE-2022-21625, CVE-2022-21632, CVE-2022-21633, CVE-2022-21635, CVE-2022-21637, CVE-2022-21638, CVE-2022-21640, CVE-2022-21641, CVE-2022-27778, CVE-2022-32221, CVE-2022-39400, CVE-2022-39402, CVE-2022-39403, CVE-2022-39408, CVE-2022-39410, CVE-2023-21836, CVE-2023-21863, CVE-2023-21864, CVE-2023-21865, CVE-2023-21866, CVE-2023-21867, CVE-2023-21868, CVE-2023-21869, CVE-2023-21870, CVE-2023-21871, CVE-2023-21872, CVE-2023-21873, CVE-2023-21874, CVE-2023-21875, CVE-2023-21876, CVE-2023-21877, CVE-2023-21878, CVE-2023-21879, CVE-2023-21880, CVE-2023-21881, CVE-2023-21882, CVE-2023-21883, CVE-2023-21887, CVE-2023-21912, CVE-2023-21913, CVE-2023-21917, CVE-2023-21963, CVE-2023-22015, CVE-2023-22026, CVE-2023-22028, and CVE-2023-22084.

2023-12-01

Updates in RDS for MySQL 8.0.28:

  • New features and performance optimized
    • SQL statement concurrency control rules are applied to all users (the root user is excluded in the earlier version). To exclude certain users, contact customer service.
    • The information_schema.rds_sql_filter_info system table is added, which allows you to view the current number of concurrent SQL statements and the number of historical SQL statements throttled by SQL statement concurrency control.
  • Issues resolved

    The issue that the audit log plugin did not record prepared statements was resolved.

2023-09-01

The kernel version was upgraded to 8.0.28.

  • New features and performance optimized
    • SQL statement concurrency control was optimized.
    • The asynchronous purge performance of large files was optimized.
  • Issues resolved
    • The bugfix of the community edition 8.0.28 was introduced. For details, see Changes in MySQL 8.0.28.
    • Data inconsistency caused by parallel DDL was resolved.
    • The memory leakage and thread suspension issues of audit logs were resolved.
  • Security hardening
    • The following security vulnerabilities were fixed: CVE-2019-17543, CVE-2020-1971, CVE-2021-22901, CVE-2021-22922, CVE-2021-22923, CVE-2021-22924, CVE-2021-22925, CVE-2021-22926, CVE-2021-22945, CVE-2021-22946, CVE-2021-22947, CVE-2021-2339, CVE-2021-2340, CVE-2021-2342, CVE-2021-2352, CVE-2021-2354, CVE-2021-2356, CVE-2021-2357, CVE-2021-2367, CVE-2021-2370, CVE-2021-2372, CVE-2021-2374, CVE-2021-2383, CVE-2021-2384, CVE-2021-23841, CVE-2021-2385, CVE-2021-2387, CVE-2021-2389, CVE-2021-2390, CVE-2021-2399, CVE-2021-2402, CVE-2021-2410, CVE-2021-2412, CVE-2021-2417, CVE-2021-2418, CVE-2021-2422, CVE-2021-2424, CVE-2021-2425, CVE-2021-2426, CVE-2021-2427, CVE-2021-2429, CVE-2021-2437, CVE-2021-2440, CVE-2021-2441, CVE-2021-2478, CVE-2021-2479, CVE-2021-2481, CVE-2021-3449, CVE-2021-35537, CVE-2021-35546, CVE-2021-35575, CVE-2021-35577, CVE-2021-35583, CVE-2021-35591, CVE-2021-35596, CVE-2021-35602, CVE-2021-35604, CVE-2021-35607, CVE-2021-35610, CVE-2021-35612, CVE-2021-35622, CVE-2021-35623, CVE-2021-35624, CVE-2021-35625, CVE-2021-35626, CVE-2021-35627, CVE-2021-35628, CVE-2021-35629, CVE-2021-35630, CVE-2021-35631, CVE-2021-35632, CVE-2021-35633, CVE-2021-35634, CVE-2021-35635, CVE-2021-35636, CVE-2021-35637, CVE-2021-35638, CVE-2021-35639, CVE-2021-35640, CVE-2021-35641, CVE-2021-35642, CVE-2021-35643, CVE-2021-35644, CVE-2021-35645, CVE-2021-35646, CVE-2021-35647, CVE-2021-35648, CVE-2021-3711, CVE-2022-0778, CVE-2022-21245, CVE-2022-21249, CVE-2022-21253, CVE-2022-21254, CVE-2022-21264, CVE-2022-21265, CVE-2022-21278, CVE-2022-21297, CVE-2022-21301, CVE-2022-21302, CVE-2022-21303, CVE-2022-21304, CVE-2022-21339, CVE-2022-21342, CVE-2022-21344, CVE-2022-21348, CVE-2022-21351, CVE-2022-21352, CVE-2022-21358, CVE-2022-21362, CVE-2022-21367, CVE-2022-21368, CVE-2022-21370, CVE-2022-21372, CVE-2022-21374, CVE-2022-21378, CVE-2022-21595, CVE-2022-21600, and CVE-2023-21950.

2023-03-15

Updates in RDS for MySQL 8.0.25:

  • New features and performance optimized
    • Printing of oversized SQL audit logs was optimized.
    • The security of kernel log printing was enhanced.
  • Issues resolved

    Unexpected restarts due to concurrent DDL and DML operations on DB instances were resolved. Users can no longer be granted the connection_admin permission.

2022-09-09

Updates in RDS for MySQL 8.0.25:

  • New features and performance optimized
    • Connection per thread was supported for killing sessions.
    • Constraints on memory were added for the Performance Schema.
    • The performance of SQL Explorer was optimized based on specific scenarios.
    • Database performance was optimized in specific scenarios when the value of internal_tmp_mem_storage_engine was set to MEMORY.
    • The compiler was upgraded to GCC 10.3.
  • Issues resolved
    • Errors caused by writes to a temporary file were resolved.
    • Unexpected responses to Common Table Expression (CTE) queries were resolved.
  • Security hardening
    • The following security vulnerabilities were fixed: CVE-2021-2417, CVE-2021-2339, CVE-2021-2425, CVE-2021-2426, CVE-2021-2427, CVE-2021-2424, CVE-2021-2383, CVE-2021-2384, and CVE-2021-2410.

RDS for MySQL 5.7

Table 2 RDS for MySQL 5.7 version description

Date

Description

2025-01-14

Updates in RDS for MySQL 5.7.44:

  • Issues resolved
    • The issue that the kernel reports a warning for passwords that do not meet complexity requirements was resolved.
    • Audit logging issues in certain scenarios were resolved.
    • The minimum value of max_execution_time was changed from 60 to 1 (unit: second).

2024-10-28

Updates in RDS for MySQL 5.7.44:

  • Issues resolved
    • Some bugs in SQL statement concurrency control were fixed.

2024-04-11

The kernel version was upgraded to 5.7.44.

  • The changes are the same as those of the community edition. For details, see Changes in MySQL 5.7.44.
  • Security hardening
    • The following security vulnerabilities were fixed: CVE-2023-22028, CVE-2023-22084, and CVE-2023-38545.

2023-12-01

  • New features and performance optimized
    • The kernel version was upgraded to 5.7.43.
    • SQL statement concurrency control rules are applied to all users (the root user is excluded in the earlier version). To exclude certain users, contact customer service.
    • The information_schema.rds_sql_filter_info system table is added, which allows you to view the current number of concurrent SQL statements and the number of historical SQL statements throttled by SQL statement concurrency control.
  • Issues resolved

    The issue that the audit log plugin did not record prepared statements was resolved.

  • Security hardening
    • The following security vulnerabilities were fixed: CVE-2022-43551, CVE-2023-21912, CVE-2023-21980, CVE-2023-22007, CVE-2023-22015, CVE-2023-22026, and CVE-2023-22053.

2023-09-01

Updates in RDS for MySQL 5.7.41:

  • New features and performance optimized
    • SQL statement concurrency control was optimized.
    • Slow memory release of jemalloc, which causes out of memory (OOM) exceptions, was optimized.
  • Issues resolved
    • The memory leakage and thread suspension issues of audit logs were resolved.
    • Too large gap lock ranges were resolved.

2023-06-28

  • New features and performance optimized
    • The kernel version was upgraded to 5.7.41.
    • Compiler security options were added.
  • Issues resolved
    • The replication exception that may occur when an index is added to a reference table and a foreign key is added to another table concurrently was rectified.
    • The replication exception that may occur when a child table is deleted after a foreign key table is deleted was rectified.
  • Security hardening
    • The following security vulnerabilities were fixed: CVE-2023-21963, CVE-2022-32221, CVE-2023-21840, CVE-2022-2097, CVE-2022-21617, CVE-2022-21608, CVE-2022-21592, CVE-2022-21589, CVE-2022-1292, CVE-2022-27778, CVE-2018-25032, and CVE-2022-21515.

2022-09-09

  • New features and performance optimized
    • The kernel version was upgraded to 5.7.38.
    • The compiler was upgraded to GCC 10.3.
    • Connection per thread was supported for killing sessions.
    • The threshold for slow query logs can be set based on the lock wait duration.
    • ALT security was hardened.
  • Issues resolved
    • Recovery security of crashed XA transactions on the primary instance was enhanced.
    • Abnormal instance reboot when Database Proxy is enabled was resolved.
    • Abnormal reboot caused by failed memory request for plugins was resolved.
  • Security hardening
    • The following security vulnerabilities were fixed: CVE-2022-21454, CVE-2022-21417, CVE-2022-21427, CVE-2022-21451, CVE-2022-21444, and CVE-2022-21460.