MGASA-2022-0242

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MGASA-2022-0242

Summary: Updated kernel packages fix security vulnerabilities

Details: This kernel update is based on upstream 5.15.50 and fixes at least the following security issues: Incomplete cleanup of multi-core shared buffers for some Intel Processors may allow an authenticated user to potentially enable information disclosure via local access (CVE-2022-21123). Incomplete cleanup of microarchitectural fill buffers on some Intel Processors may allow an authenticated user to potentially enable information disclosure via local access (CVE-2022-21125). Incomplete cleanup in specific special register read operations for some Intel Processors may allow an authenticated user to potentially enable information disclosure via local access (CVE-2022-21127, CVE-2022-21166). For other upstream fixes, see the referenced changelogs.

References: https://advisories.mageia.org/MGASA-2022-0242.html, https://bugs.mageia.org/show_bug.cgi?id=30563, https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.47, https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.48, https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.49, https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.50, https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00615.html