hw: amd: Spectre based on Linear Address Masking
Published Feb 4, 2022
7.8
HIGHCVSS 3.1
EPSS 2.35%
Description
When combined with specific software sequences, AMD CPUs may transiently execute non-canonical loads and store using only the lower 48 address bits potentially resulting in data leakage.
Affected products
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- Version unspecifiedStatusaffectedConstraints<undefined
- 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 | ||||||
|---|---|---|---|---|---|---|---|---|---|
| AMD | All supported processors | n/a |
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No data.
Red Hat Enterprise Linux 9
kernel
Not affected
Red Hat Enterprise Linux 9
kernel-rt
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 9 | kernel | Not affected | n/a |
| Red Hat Enterprise Linux 9 | kernel-rt | Not affected | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
The SLAM Attack is a new Spectre-based vulnerability that impacts most of the future CPU's for Intel, AMD, and ARM. In the current scenario, this vulnerability does not affect RHEL kernel.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
1 other source (Red Hat) ▾
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:N/C:P/I:N/A:N
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 4, 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 (12 key points)
Flat stretches are collapsed. Showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 4, 2026 | 2.35% (0.02354) | 83.14th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.36% (0.02363) | 81.52th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.41% (0.00408) | 59.11th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.18% (0.00178) | 56.28th | v3 (v2023.03.01) |
| Dec 6, 2023 | 0.16% (0.00158) | 52.14th | v3 (v2023.03.01) |
| Aug 28, 2023 | 0.15% (0.00150) | 50.51th | v3 (v2023.03.01) |
| Jul 18, 2023 | 0.14% (0.00145) | 49.58th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.13% (0.00132) | 46.49th | 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 8, 2022 | 0.89% (0.00885) | 10.79th | v2 (v2022.01.01) |
References (9)
- http://www.openwall.com/lists/oss-security/2023/12/05/3 mailing-list
- https://access.redhat.com/security/cve/CVE-2020-12965 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2254156 Issue Tracking
- https://developer.arm.com/Arm%20Security%20Center/TLB-Based%20Side%20Channel%20Attack
- https://nvd.nist.gov/vuln/detail/CVE-2020-12965
- https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1010 MitigationVendor Advisory
- https://www.cve.org/CVERecord?id=CVE-2020-12965
- https://www.intel.com/content/www/us/en/developer/articles/technical/software-security-guidance/best-practices/refined-speculative-execution-terminology.html
- https://www.openwall.com/lists/oss-security/2023/12/05/3
Change history (0)
No recorded changes yet.