drm/vmwgfx: Fix invalid reads in fence signaled events
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · None · High
- Fix status
- Partial Red Hat: 19 fixed, 3 without a fix
Attack profile from CVSS 3.1 · CNA. Fix status from CNA and Red Hat.
Summary
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.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Linux | Linux | 3.4 and later | 4.19.314, 5.4.276, 5.10.217, 5.15.159, 6.1.91, 6.6.31, 6.8.10, 6.9 | Patch available | CNA |
- Linux VendorLinux Affected 3.4 and later Fixed in 4.19.314, 5.4.276, 5.10.217, 5.15.159, 6.1.91, 6.6.31, 6.8.10, 6.9 Patch available CNA
CPE configurations NVD · 8
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | 3.4 to before 4.19.314; 4.20 to before 5.4.276; 5.5 to before 5.10.217; 5.11 to before 5.15.159; 5.16 to before 6.1.91; 6.2 to before 6.6.31; 6.7 to before 6.8.10 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:6.9:rc1:*:*:*:*:*:* | 6.9 rc1 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:6.9:rc2:*:*:*:*:*:* | 6.9 rc2 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:6.9:rc3:*:*:*:*:*:* | 6.9 rc3 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:6.9:rc4:*:*:*:*:*:* | 6.9 rc4 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:6.9:rc5:*:*:*:*:*:* | 6.9 rc5 | Vulnerable | Linux |
| cpe:2.3:o:linux:linux_kernel:6.9:rc6:*:*:*:*:*:* | 6.9 rc6 | Vulnerable | Linux |
| cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* | 10.0 | Vulnerable | Debian |
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions 3.4 to before 4.19.314; 4.20 to before 5.4.276; 5.5 to before 5.10.217; 5.11 to before 5.15.159; 5.16 to before 6.1.91; 6.2 to before 6.6.31; 6.7 to before 6.8.10 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:6.9:rc1:*:*:*:*:*:* Versions 6.9 rc1 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:6.9:rc2:*:*:*:*:*:* Versions 6.9 rc2 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:6.9:rc3:*:*:*:*:*:* Versions 6.9 rc3 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:6.9:rc4:*:*:*:*:*:* Versions 6.9 rc4 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:6.9:rc5:*:*:*:*:*:* Versions 6.9 rc5 Vulnerable ·Linux
- cpe:2.3:o:linux:linux_kernel:6.9:rc6:*:*:*:*:*:* Versions 6.9 rc6 Vulnerable ·Linux
- cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* Versions 10.0 Vulnerable ·Debian
Remediation
- Fix · CNA Linux (Linux) Fixed in 4.19.314, 5.4.276, 5.10.217, 5.15.159, 6.1.91, 6.6.31, 6.8.10, 6.9
Red Hat 6 advisories
- RHSA-2024:10771 Released 2024-12-04 · Red Hat rating Moderatekernel security update
- Red Hat CodeReady Linux Builder EUS (v.9.4) kernel-tools-libs-devel-5.14.0-427.47.1.el9_4, libperf-5.14.0-427.47.1.el9_4
- Red Hat Enterprise Linux AppStream EUS (v.9.4) kernel-64k-debug-devel-5.14.0-427.47.1.el9_4, kernel-64k-debug-devel-matched-5.14.0-427.47.1.el9_4, kernel-64k-devel-5.14.0-427.47.1.el9_4 +11
- Red Hat Enterprise Linux BaseOS EUS (v.9.4) bpftool-7.3.0-427.47.1.el9_4, kernel-5.14.0-427.47.1.el9_4, kernel-64k-5.14.0-427.47.1.el9_4 +29
- Red Hat Enterprise Linux Real Time EUS (v.9.4) kernel-rt-5.14.0-427.47.1.el9_4, kernel-rt-core-5.14.0-427.47.1.el9_4, kernel-rt-debug-5.14.0-427.47.1.el9_4 +9
- Red Hat Enterprise Linux Real Time for NFV EUS (v.9.4) kernel-rt-5.14.0-427.47.1.el9_4, kernel-rt-core-5.14.0-427.47.1.el9_4, kernel-rt-debug-5.14.0-427.47.1.el9_4 +11
- RHSA-2024:9315 Released 2024-11-12 · Red Hat rating Moderatekernel security update
- Red Hat CodeReady Linux Builder (v. 9) kernel-cross-headers-5.14.0-503.11.1.el9_5, kernel-tools-libs-devel-5.14.0-503.11.1.el9_5, libperf-5.14.0-503.11.1.el9_5
- Red Hat Enterprise Linux AppStream (v. 9) kernel-64k-debug-devel-5.14.0-503.11.1.el9_5, kernel-64k-debug-devel-matched-5.14.0-503.11.1.el9_5, kernel-64k-devel-5.14.0-503.11.1.el9_5 +12
- Red Hat Enterprise Linux BaseOS (v. 9) bpftool-7.4.0-503.11.1.el9_5, kernel-5.14.0-503.11.1.el9_5, kernel-64k-5.14.0-503.11.1.el9_5 +30
- Red Hat Enterprise Linux Real Time (v. 9) kernel-rt-5.14.0-503.11.1.el9_5, kernel-rt-core-5.14.0-503.11.1.el9_5, kernel-rt-debug-5.14.0-503.11.1.el9_5 +9
- Red Hat Enterprise Linux Real Time for NFV (v. 9) kernel-rt-5.14.0-503.11.1.el9_5, kernel-rt-core-5.14.0-503.11.1.el9_5, kernel-rt-debug-5.14.0-503.11.1.el9_5 +11
- RHSA-2024:5101 Released 2024-08-08 · Red Hat rating Importantkernel security update
- Red Hat Enterprise Linux BaseOS (v. 8) bpftool-4.18.0-553.16.1.el8_10, kernel-4.18.0-553.16.1.el8_10, kernel-abi-stablelists-4.18.0-553.16.1.el8_10 +19
- Red Hat Enterprise Linux CRB (v. 8) kernel-tools-libs-devel-4.18.0-553.16.1.el8_10
Show 3 more Red Hat advisories
- RHSA-2024:5102 Released 2024-08-08 · Red Hat rating Importantkernel-rt security update
- Red Hat Enterprise Linux NFV (v. 8) kernel-rt-4.18.0-553.16.1.rt7.357.el8_10, kernel-rt-core-4.18.0-553.16.1.rt7.357.el8_10, kernel-rt-debug-4.18.0-553.16.1.rt7.357.el8_10 +9
- Red Hat Enterprise Linux RT (v. 8) kernel-rt-4.18.0-553.16.1.rt7.357.el8_10, kernel-rt-core-4.18.0-553.16.1.rt7.357.el8_10, kernel-rt-debug-4.18.0-553.16.1.rt7.357.el8_10 +7
- RHSA-2024:5066 Released 2024-08-07 · Red Hat rating Moderatekernel security update
- Red Hat CodeReady Linux Builder EUS (v.9.2) kernel-tools-libs-devel-5.14.0-284.77.1.el9_2
- Red Hat Enterprise Linux AppStream EUS (v.9.2) kernel-64k-debug-devel-5.14.0-284.77.1.el9_2, kernel-64k-debug-devel-matched-5.14.0-284.77.1.el9_2, kernel-64k-devel-5.14.0-284.77.1.el9_2 +9
- Red Hat Enterprise Linux BaseOS EUS (v.9.2) bpftool-7.0.0-284.77.1.el9_2, kernel-5.14.0-284.77.1.el9_2, kernel-64k-5.14.0-284.77.1.el9_2 +29
- RHSA-2024:5067 Released 2024-08-07 · Red Hat rating Moderatekernel-rt security update
- Red Hat Enterprise Linux Real Time EUS (v.9.2) kernel-rt-5.14.0-284.77.1.rt14.362.el9_2, kernel-rt-core-5.14.0-284.77.1.rt14.362.el9_2, kernel-rt-debug-5.14.0-284.77.1.rt14.362.el9_2 +9
- Red Hat Enterprise Linux Real Time for NFV EUS (v.9.2) kernel-rt-5.14.0-284.77.1.rt14.362.el9_2, kernel-rt-core-5.14.0-284.77.1.rt14.362.el9_2, kernel-rt-debug-5.14.0-284.77.1.rt14.362.el9_2 +11
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 6 | Affected | No fix planned: Out of support scope |
| Red Hat Enterprise Linux 7 | Affected | No fix planned: Out of support scope |
| Red Hat Enterprise Linux 9 | Affected | No fix yet |
| Red Hat CodeReady Linux Builder (v. 9) | Fixed | RHSA-2024:9315 |
| Red Hat CodeReady Linux Builder EUS (v.9.2) | Fixed | RHSA-2024:5066 |
| Red Hat CodeReady Linux Builder EUS (v.9.4) | Fixed | RHSA-2024:10771 |
| Red Hat Enterprise Linux AppStream (v. 9) | Fixed | RHSA-2024:9315 |
| Red Hat Enterprise Linux AppStream EUS (v.9.2) | Fixed | RHSA-2024:5066 |
| Red Hat Enterprise Linux AppStream EUS (v.9.4) | Fixed | RHSA-2024:10771 |
| Red Hat Enterprise Linux BaseOS (v. 8) | Fixed | RHSA-2024:5101 |
| Red Hat Enterprise Linux BaseOS (v. 9) | Fixed | RHSA-2024:9315 |
| Red Hat Enterprise Linux BaseOS EUS (v.9.2) | Fixed | RHSA-2024:5066 |
| Red Hat Enterprise Linux BaseOS EUS (v.9.4) | Fixed | RHSA-2024:10771 |
| Red Hat Enterprise Linux CRB (v. 8) | Fixed | RHSA-2024:5101 |
| Red Hat Enterprise Linux NFV (v. 8) | Fixed | RHSA-2024:5102 |
| Red Hat Enterprise Linux RT (v. 8) | Fixed | RHSA-2024:5102 |
| Red Hat Enterprise Linux Real Time (v. 9) | Fixed | RHSA-2024:9315 |
| Red Hat Enterprise Linux Real Time EUS (v.9.2) | Fixed | RHSA-2024:5067 |
| Red Hat Enterprise Linux Real Time EUS (v.9.4) | Fixed | RHSA-2024:10771 |
| Red Hat Enterprise Linux Real Time for NFV (v. 9) | Fixed | RHSA-2024:9315 |
| Red Hat Enterprise Linux Real Time for NFV EUS (v.9.2) | Fixed | RHSA-2024:5067 |
| Red Hat Enterprise Linux Real Time for NFV EUS (v.9.4) | Fixed | RHSA-2024:10771 |
Not affected: 4 products
- Red Hat CodeReady Linux Builder (v. 9)
- Red Hat Enterprise Linux 10
- Red Hat Enterprise Linux AppStream (v. 9)
- Red Hat Enterprise Linux AppStream EUS (v.9.2)
Timeline
- 2026-10-02 Threatist record created from CVE-2024-36960
- 2026-10-03 Alias added: GHSA-5w4f-cwfr-f344
References
Patch 8
- https://git.kernel.org/stable/c/2f527e3efd37c7c5e85e8aa86308856b619fa59f
- https://git.kernel.org/stable/c/cef0962f2d3e5fd0660c8efb72321083a1b531a9
- https://git.kernel.org/stable/c/3cd682357c6167f636aec8ac0efaa8ba61144d36
- https://git.kernel.org/stable/c/b7bab33c4623c66e3398d5253870d4e88c52dfc0
- https://git.kernel.org/stable/c/0dbfc73670b357456196130551e586345ca48e1b
- https://git.kernel.org/stable/c/7b5fd3af4a250dd0a2a558e07b43478748eb5d22
- https://git.kernel.org/stable/c/deab66596dfad14f1c54eeefdb72428340d72a77
- https://git.kernel.org/stable/c/a37ef7613c00f2d72c8fc08bd83fb6cc76926c8c
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Sources
- CVE-2024-36960 · CVE Program
- CVE-2024-36960 · NVD
- FIRST EPSS
- GHSA-5w4f-cwfr-f344 · GitHub Advisory Database · CC BY 4.0
- CVE-2024-36960 · Red Hat security data · CC BY 4.0
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