Apple Mac EFI before 2015-001, as used in OS X before 10.10.4 and other products, does not properly set refresh rates for DDR3 RAM, which might make it easier for remote attackers to conduct row-hammer attacks, and consequently gain privileges or cause a denial of service (memory corruption), by triggering certain patterns of access to memory locations
Published Jul 3, 2015
9.3
HIGHCVSS 2.0
EPSS 7.66%
Description
Apple Mac EFI before 2015-001, as used in OS X before 10.10.4 and other products, does not properly set refresh rates for DDR3 RAM, which might make it easier for remote attackers to conduct row-hammer attacks, and consequently gain privileges or cause a denial of service (memory corruption), by triggering certain patterns of access to memory locations.
Affected products
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:M/Au:N/C:C/I:C/A:C
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 (13 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 7.66% (0.07659) | 94.40th | v5 (v2026.06.15) |
| Jun 15, 2026 | 7.66% (0.07659) | 93.79th | v5 (v2026.06.15) |
| Apr 1, 2026 | 31.14% (0.31141) | 96.73th | v4 (v2025.03.14) |
| May 23, 2025 | 23.70% (0.23698) | 95.69th | v4 (v2025.03.14) |
| Mar 30, 2025 | 31.14% (0.31141) | 96.36th | v4 (v2025.03.14) |
| Mar 29, 2025 | 28.68% (0.28678) | 94.51th | v4 (v2025.03.14) |
| Mar 17, 2025 | 31.14% (0.31141) | 96.36th | v4 (v2025.03.14) |
| Dec 12, 2024 | 3.52% (0.03522) | 91.92th | v3 (v2023.03.01) |
| Mar 7, 2023 | 3.52% (0.03522) | 90.10th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.41% (0.01408) | 72.89th | v2 (v2022.01.01) |
| Mar 2, 2023 | 1.41% (0.01408) | 72.88th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.41% (0.01408) | 70.87th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.41% (0.01408) | 49.94th | v2 (v2022.01.01) |
References (8)
- http://googleprojectzero.blogspot.com/2015/03/exploiting-dram-rowhammer-bug-to-gain.html x_refsource_MISC
- http://lists.apple.com/archives/security-announce/2015/Jun/msg00002.html vendor-advisoryx_refsource_APPLEPatchVendor Advisory
- http://lists.apple.com/archives/security-announce/2015/Jun/msg00003.html vendor-advisoryx_refsource_APPLEVendor Advisory
- http://support.apple.com/kb/HT204934 x_refsource_CONFIRMVendor Advisory
- http://support.apple.com/kb/HT204942 x_refsource_CONFIRMVendor Advisory
- http://www.securityfocus.com/bid/75495 vdb-entryx_refsource_BID
- http://www.securitytracker.com/id/1032444 vdb-entryx_refsource_SECTRACK
- http://www.securitytracker.com/id/1032755 vdb-entryx_refsource_SECTRACK
| Link | Providers | Tags |
|---|---|---|
| http://googleprojectzero.blogspot.com/2015/03/exploiting-dram-rowhammer-bug-to-gain.html | x_refsource_MISC | |
| http://lists.apple.com/archives/security-announce/2015/Jun/msg00002.html | vendor-advisoryx_refsource_APPLEPatchVendor Advisory | |
| http://lists.apple.com/archives/security-announce/2015/Jun/msg00003.html | vendor-advisoryx_refsource_APPLEVendor Advisory | |
| http://support.apple.com/kb/HT204934 | x_refsource_CONFIRMVendor Advisory | |
| http://support.apple.com/kb/HT204942 | x_refsource_CONFIRMVendor Advisory | |
| http://www.securityfocus.com/bid/75495 | vdb-entryx_refsource_BID | |
| http://www.securitytracker.com/id/1032444 | vdb-entryx_refsource_SECTRACK | |
| http://www.securitytracker.com/id/1032755 | vdb-entryx_refsource_SECTRACK |
Change history (0)
No recorded changes yet.