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Mageia 7: MGASA-2020-0041 Critical: Kernel Information Leakage and DoS

mageia
Calendar Grey January 17, 2020
Dist Mageia Esm H88
Mageia 7 patch improves security by fixing kernel vulnerabilities related to data exposure and memory overflow. Discover more details here.
This update is based on upstream 5.4.12 and fixes atleast the following security vulnerabilities: Intel GPU Hardware prior to Gen11 does not clear EU state during a context switch

Summary

This update is based on upstream 5.4.12 and fixes atleast the following security vulnerabilities:
Intel GPU Hardware prior to Gen11 does not clear EU state during a context switch. This can result in information leakage between contexts (CVE-2019-14615).
A heap-based buffer overflow was discovered in the Marvell WiFi chip driver. The flaw could occur when the station attempts a connection negotiation during the handling of the remote devices country settings. This could allow the remote device to cause a denial of service (system crash) or possibly execute arbitrary code (CVE-2019-14895).
For other fixes in this update, see the referenced changelogs.

References

- https://bugs.mageia.org/show_bug.cgi?id=26078

- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.11

- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.12

- https://www.cve.org/CVERecord?id=CVE-2019-14615

- https://www.cve.org/CVERecord?id=CVE-2019-14895

Resolution

SRPMS

- 7/core/kernel-5.4.12-1.mga7

- 7/core/kmod-virtualbox-6.0.14-20.mga7

- 7/core/kmod-xtables-addons-3.7-10.mga7

Severity
critical
Lowest
Low
Medium
High
Critical

Publication date: 17 Jan 2020
URL: https://advisories.mageia.org/MGASA-2020-0041.html
Type: security
CVE: CVE-2019-14615, CVE-2019-14895

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