CVE-2024-36960: drm/vmwgfx: Fix invalid reads in fence signaled events
First published: Mon Jun 03 2024(Updated: )
In the Linux kernel, the following vulnerability has been resolved: drm/vmwgfx: Fix invalid reads in fence signaled events Correctly set the length of the drm_event to the size of the structure that's actually used. The length of the drm_event was set to the parent structure instead of to the drm_vmw_event_fence which is supposed to be read. drm_read uses the length parameter to copy the event to the user space thus resuling in oob reads.
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/kernel | <4.19.314 | 4.19.314 |
| redhat/kernel | <5.4.276 | 5.4.276 |
| redhat/kernel | <5.10.217 | 5.10.217 |
| redhat/kernel | <5.15.159 | 5.15.159 |
| redhat/kernel | <6.1.91 | 6.1.91 |
| redhat/kernel | <6.6.31 | 6.6.31 |
| redhat/kernel | <6.8.10 | 6.8.10 |
| redhat/kernel | <6.9 | 6.9 |
| debian/linux | 5.10.223-1 5.10.234-1 6.1.123-1 6.1.128-1 6.12.12-1 6.12.16-1 |
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Reference Links
- https://git.kernel.org/stable/c/0dbfc73670b357456196130551e586345ca48e1b
- https://git.kernel.org/stable/c/2f527e3efd37c7c5e85e8aa86308856b619fa59f
- https://git.kernel.org/stable/c/3cd682357c6167f636aec8ac0efaa8ba61144d36
- https://git.kernel.org/stable/c/7b5fd3af4a250dd0a2a558e07b43478748eb5d22
- https://git.kernel.org/stable/c/a37ef7613c00f2d72c8fc08bd83fb6cc76926c8c
- https://git.kernel.org/stable/c/b7bab33c4623c66e3398d5253870d4e88c52dfc0
- https://git.kernel.org/stable/c/cef0962f2d3e5fd0660c8efb72321083a1b531a9
- https://git.kernel.org/stable/c/deab66596dfad14f1c54eeefdb72428340d72a77
- https://launchpad.net/bugs/cve/CVE-2024-36960
- https://lists.debian.org/debian-lts-announce/2024/06/msg00019.html
- https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-36960
- https://nvd.nist.gov/vuln/detail/CVE-2024-36960
- https://security-tracker.debian.org/tracker/CVE-2024-36960
- https://ubuntu.com/security/CVE-2024-36960
- https://git.kernel.org/linus/a37ef7613c00f2d72c8fc08bd83fb6cc76926c8c
- https://access.redhat.com/security/cve/CVE-2024-36960
- https://lore.kernel.org/linux-cve-announce/2024060341-CVE-2024-36960-d1bf@gregkh/T
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2290416
- https://access.redhat.com/errata/RHSA-2024:5067
- https://access.redhat.com/errata/RHSA-2024:5066
- https://access.redhat.com/errata/RHSA-2024:5102
- https://access.redhat.com/errata/RHSA-2024:5101
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2277161
- https://access.redhat.com/errata/RHSA-2024:9315
- https://access.redhat.com/errata/RHSA-2024:10771
- https://bugzilla.redhat.com/show_bug.cgi?id=2290408
Frequently Asked Questions
What is the severity of CVE-2024-36960?
The severity of CVE-2024-36960 is classified as moderate.
How do I fix CVE-2024-36960?
To fix CVE-2024-36960, upgrade the kernel to versions 4.19.314, 5.4.276, 5.10.217, 5.15.159, 6.1.91, or later versions as specified for your distribution.
Which Linux kernel versions are affected by CVE-2024-36960?
CVE-2024-36960 affects several kernel versions before the updates including 4.19.x and 5.x versions prior to the specified patch levels.
What is the nature of the vulnerability CVE-2024-36960?
CVE-2024-36960 involves invalid reads in fence signaled events in the Linux kernel's drm/vmwgfx component.
Has CVE-2024-36960 been resolved?
Yes, CVE-2024-36960 has been resolved with kernel updates that properly set the length of the drm_event structure.
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