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Mageia 2021-0084: kernel security update

Date 15 Feb 2021
221
Posted By LinuxSecurity Advisories
This kernel update is based on upstream 5.10.14 and fixes atleast the following security issues: A local privilege escalation was discovered in the Linux kernel before 5.10.13. Multiple race conditions in the AF_VSOCK implementation are
MGASA-2021-0084 - Updated kernel packages fix security vulnerability

Publication date: 15 Feb 2021
URL: https://advisories.mageia.org/MGASA-2021-0084.html
Type: security
Affected Mageia releases: 7
CVE: CVE-2021-26708

This kernel update is based on upstream 5.10.14 and fixes atleast the
following security issues:

A local privilege escalation was discovered in the Linux kernel before
5.10.13. Multiple race conditions in the AF_VSOCK implementation are
caused by wrong locking in net/vmw_vsock/af_vsock.c (CVE-2021-26708).

It also adds the following fixes:
- make CONNECTOR builtin to enable PROC_EVENTS (mga#28312)
- drm/amd/display: Revert "Fix EDID parsing after resume from suspend"
- drm/amdgpu: fix the issue that retry constantly once the buffer is oversize
- drm/amdgpu: set default value of noretry to 1 for vega10
- drm/amdgpu: default noretry=0 for navi1x and newer
- drm/amdkfd: fix null pointer panic while free buffer in kfd
- mm: thp: fix MADV_REMOVE deadlock on shmem THP

For other upstream fixes, see the referenced changelogs.

References:
- https://bugs.mageia.org/show_bug.cgi?id=28340
- https://bugs.mageia.org/show_bug.cgi?id=28312
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.13
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.14
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-26708

SRPMS:
- 7/core/kernel-5.10.14-1.mga7
- 7/core/kmod-virtualbox-6.1.18-6.mga7
- 7/core/kmod-xtables-addons-3.13-12.mga7

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