Wind River Support Network

HomeDefectsLIN1021-23
Fixed

LIN1021-23 : Security Advisory - qemu - CVE-2021-3544

Created: May 17, 2021    Updated: Sep 25, 2021
Resolved Date: Sep 2, 2021
Found In Version: 10.21.20.1
Fix Version: 10.21.20.5
Severity: Standard
Applicable for: Wind River Linux LTS 21
Component/s: Userspace

Description

Several memory leaks were found in the virtio vhost-user GPU device (vhost-user-gpu) of QEMU. They exist in contrib/vhost-user-gpu/vhost-user-gpu.c and contrib/vhost-user-gpu/virgl.c due to improper release of memory (i.e., free) after effective lifetime. For more information, please refer to the upstream patchset below.


Patch series:
https://lists.nongnu.org/archive/html/qemu-devel/2021-05/msg01155.html

Memory leak in vg_resource_create_2d() in vhost-user-gpu.c :
https://lists.nongnu.org/archive/html/qemu-devel/2021-05/msg01151.html

Memory leak in vg_resource_attach_backing() in vhost-user-gpu.c:
https://lists.nongnu.org/archive/html/qemu-devel/2021-05/msg01157.html

Memory leak in vg_resource_destroy() in vhost-user-gpu.c:
https://lists.nongnu.org/archive/html/qemu-devel/2021-05/msg01152.html

Memory leak in virgl_cmd_resource_unref() in virgl.c:
https://lists.nongnu.org/archive/html/qemu-devel/2021-05/msg01156.html

Memory leak in virgl_resource_attach_backing() in virgl.c:
https://lists.nongnu.org/archive/html/qemu-devel/2021-05/msg01158.html

CREATE(Triage):(User=admin) [CVE-2021-3544|https://nvd.nist.gov/vuln/detail/CVE-2021-3544]

CVEs


Live chat
Online