MGASA-2018-0296: kernel Mageia

Vulnerability summary

MGASA-2018-0296 is a vulnerability in kernel Mageia with no CVSS score yet.

Timeline

1. 24-06-2018
   PublishedVulnerability first disclosed.
2. 16-04-2026
   Last modifiedVulnerability information updated.

Description

Updated kernel packages fix security vulnerabilities This kernel update is based on the upstream 4.14.50 and fixes at least the following security issues: In the function sbusfb_ioctl_helper() in drivers/video/fbdev/sbuslib.c in the Linux kernel through 4.15, an integer signedness error allows arbitrary information leakage for the FBIOPUTCMAP_SPARC and FBIOGETCMAP_SPARC commands (CVE-2018-6412). The kvm functions that were used in the emulation of fxrstor, fxsave, sgdt and sidt were originally meant for task switching, and as such they did not check privilege levels. This allowed guest userspace to guest kernel write (CVE-2018-10853). In arch/x86/kvm/vmx.c in the Linux kernel before 4.17.2, when nested virtualization is used, local attackers could cause L1 KVM guests to VMEXIT, potentially allowing privilege escalations and denial of service attacks due to lack of checking of CPL (CVE-2018-12904). WireGuard has been updated to 0.0.20180613. For other fixes in this update, see the referenced changelogs.

No weakness data has been published for this record.