Kernel heap contents leak race in ioctl handler
Published May 8, 2020
5.0
MEDIUMCVSS 3.1
EPSS 0.25%
Description
A race condition was discovered in the Linux drivers for Nvidia graphics which allowed an attacker to exfiltrate kernel memory to userspace. This issue was fixed in version 295.53.
Affected products
-
- Version unspecifiedStatusaffectedConstraints<295.53
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| NVIDIA | Graphics Drivers | n/a |
|
- < 295.53
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:L
No CVSS v3.0 score for this CVE.
AV:L/AC:M/Au:N/C:P/I:P/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (11 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.25% (0.00246) | 14.29th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.25% (0.00246) | 15.52th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.04% (0.00044) | 10.74th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.04% (0.00044) | 14.77th | v3 (v2023.03.01) |
| May 18, 2024 | 0.06% (0.00063) | 26.60th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.06% (0.00063) | 24.55th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.04% (0.00044) | 10.67th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.89% (0.00885) | 27.89th | v2 (v2022.01.01) |
| Sep 10, 2022 | 0.89% (0.00885) | 26.24th | v2 (v2022.01.01) |
| Apr 1, 2022 | 0.89% (0.00885) | 24.24th | v2 (v2022.01.01) |
| Feb 4, 2022 | 0.89% (0.00885) | 10.50th | v2 (v2022.01.01) |
References (1)
- https://bugs.launchpad.net/ubuntu/+source/nvidia-graphics-drivers/+bug/979373 x_refsource_MISCExploitThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| https://bugs.launchpad.net/ubuntu/+source/nvidia-graphics-drivers/+bug/979373 | x_refsource_MISCExploitThird Party Advisory |
Change history (0)
No recorded changes yet.