Advisory Published

USN-4271-1: Mesa vulnerability

First published: Thu Feb 06 2020(Updated: )

Tim Brown discovered that Mesa incorrectly handled shared memory permissions. A local attacker could use this issue to obtain and possibly alter sensitive information belonging to another user.

Affected SoftwareAffected VersionHow to fix
All of
ubuntu/libd3dadapter9-mesa<19.2.8-0ubuntu0~19.10.2
19.2.8-0ubuntu0~19.10.2
Ubuntu=19.10
All of
ubuntu/libegl-mesa0<19.2.8-0ubuntu0~19.10.2
19.2.8-0ubuntu0~19.10.2
Ubuntu=19.10
All of
ubuntu/libegl1-mesa<19.2.8-0ubuntu0~19.10.2
19.2.8-0ubuntu0~19.10.2
Ubuntu=19.10
All of
ubuntu/libgbm1<19.2.8-0ubuntu0~19.10.2
19.2.8-0ubuntu0~19.10.2
Ubuntu=19.10
All of
ubuntu/libgl1-mesa-dri<19.2.8-0ubuntu0~19.10.2
19.2.8-0ubuntu0~19.10.2
Ubuntu=19.10
All of
ubuntu/libgl1-mesa-glx<19.2.8-0ubuntu0~19.10.2
19.2.8-0ubuntu0~19.10.2
Ubuntu=19.10
All of
ubuntu/libglapi-mesa<19.2.8-0ubuntu0~19.10.2
19.2.8-0ubuntu0~19.10.2
Ubuntu=19.10
All of
ubuntu/libgles2-mesa<19.2.8-0ubuntu0~19.10.2
19.2.8-0ubuntu0~19.10.2
Ubuntu=19.10
All of
ubuntu/libglx-mesa0<19.2.8-0ubuntu0~19.10.2
19.2.8-0ubuntu0~19.10.2
Ubuntu=19.10
All of
ubuntu/libosmesa6<19.2.8-0ubuntu0~19.10.2
19.2.8-0ubuntu0~19.10.2
Ubuntu=19.10
All of
ubuntu/libwayland-egl1-mesa<19.2.8-0ubuntu0~19.10.2
19.2.8-0ubuntu0~19.10.2
Ubuntu=19.10
All of
ubuntu/libxatracker2<19.2.8-0ubuntu0~19.10.2
19.2.8-0ubuntu0~19.10.2
Ubuntu=19.10
All of
ubuntu/mesa-opencl-icd<19.2.8-0ubuntu0~19.10.2
19.2.8-0ubuntu0~19.10.2
Ubuntu=19.10
All of
ubuntu/mesa-va-drivers<19.2.8-0ubuntu0~19.10.2
19.2.8-0ubuntu0~19.10.2
Ubuntu=19.10
All of
ubuntu/mesa-vdpau-drivers<19.2.8-0ubuntu0~19.10.2
19.2.8-0ubuntu0~19.10.2
Ubuntu=19.10
All of
ubuntu/mesa-vulkan-drivers<19.2.8-0ubuntu0~19.10.2
19.2.8-0ubuntu0~19.10.2
Ubuntu=19.10
All of
ubuntu/libd3dadapter9-mesa<19.2.8-0ubuntu0~18.04.2
19.2.8-0ubuntu0~18.04.2
Ubuntu=18.04
All of
ubuntu/libegl-mesa0<19.2.8-0ubuntu0~18.04.2
19.2.8-0ubuntu0~18.04.2
Ubuntu=18.04
All of
ubuntu/libegl1-mesa<19.2.8-0ubuntu0~18.04.2
19.2.8-0ubuntu0~18.04.2
Ubuntu=18.04
All of
ubuntu/libgbm1<19.2.8-0ubuntu0~18.04.2
19.2.8-0ubuntu0~18.04.2
Ubuntu=18.04
All of
ubuntu/libgl1-mesa-dri<19.2.8-0ubuntu0~18.04.2
19.2.8-0ubuntu0~18.04.2
Ubuntu=18.04
All of
ubuntu/libgl1-mesa-glx<19.2.8-0ubuntu0~18.04.2
19.2.8-0ubuntu0~18.04.2
Ubuntu=18.04
All of
ubuntu/libglapi-mesa<19.2.8-0ubuntu0~18.04.2
19.2.8-0ubuntu0~18.04.2
Ubuntu=18.04
All of
ubuntu/libgles2-mesa<19.2.8-0ubuntu0~18.04.2
19.2.8-0ubuntu0~18.04.2
Ubuntu=18.04
All of
ubuntu/libglx-mesa0<19.2.8-0ubuntu0~18.04.2
19.2.8-0ubuntu0~18.04.2
Ubuntu=18.04
All of
ubuntu/libosmesa6<19.2.8-0ubuntu0~18.04.2
19.2.8-0ubuntu0~18.04.2
Ubuntu=18.04
All of
ubuntu/libwayland-egl1-mesa<19.2.8-0ubuntu0~18.04.2
19.2.8-0ubuntu0~18.04.2
Ubuntu=18.04
All of
ubuntu/libxatracker2<19.2.8-0ubuntu0~18.04.2
19.2.8-0ubuntu0~18.04.2
Ubuntu=18.04
All of
ubuntu/mesa-opencl-icd<19.2.8-0ubuntu0~18.04.2
19.2.8-0ubuntu0~18.04.2
Ubuntu=18.04
All of
ubuntu/mesa-va-drivers<19.2.8-0ubuntu0~18.04.2
19.2.8-0ubuntu0~18.04.2
Ubuntu=18.04
All of
ubuntu/mesa-vdpau-drivers<19.2.8-0ubuntu0~18.04.2
19.2.8-0ubuntu0~18.04.2
Ubuntu=18.04
All of
ubuntu/mesa-vulkan-drivers<19.2.8-0ubuntu0~18.04.2
19.2.8-0ubuntu0~18.04.2
Ubuntu=18.04

Never miss a vulnerability like this again

Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.

Read MoreStart Free Trial

Reference Links

Child vulnerabilities

(Contains the following vulnerabilities)

Frequently Asked Questions

  • What is the severity of USN-4271-1?

    The vulnerability classified under USN-4271-1 has a medium severity due to improper handling of shared memory permissions.

  • How do I fix USN-4271-1?

    To fix the issue identified in USN-4271-1, update the affected packages to version 19.2.8-0ubuntu0~19.10.2 or later.

  • What packages are affected by USN-4271-1?

    The affected packages include libd3dadapter9-mesa, libegl-mesa0, libegl1-mesa, libgbm1, libgl1-mesa-dri, libgl1-mesa-glx, libglapi-mesa, libgles2-mesa, libglx-mesa0, libosmesa6, libwayland-egl1-mesa, libxatracker2, mesa-opencl-icd, mesa-va-drivers, mesa-vdpau-drivers, and mesa-vulkan-drivers.

  • Who discovered the vulnerability USN-4271-1?

    The vulnerability USN-4271-1 was discovered by Tim Brown.

Company

Resources

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2025 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203