Race condition in the ioctl implementation in the Samsung Graphics 2D driver (aka /dev/fimg2d) in Samsung devices with Android L(5.0/5.1) allows local users to trigger memory errors by leveraging definition of g2d_lock and g2d_unlock lock macros as no-ops, aka SVE-2015-4598
Published Aug 2, 2017
7.0
HIGHCVSS 3.0
EPSS 0.67%
Description
Race condition in the ioctl implementation in the Samsung Graphics 2D driver (aka /dev/fimg2d) in Samsung devices with Android L(5.0/5.1) allows local users to trigger memory errors by leveraging definition of g2d_lock and g2d_unlock lock macros as no-ops, aka SVE-2015-4598.
Affected products
No data.
- 5.0
- 5.1
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.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
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 (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.67% (0.00667) | 50.04th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.67% (0.00667) | 46.83th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.17% (0.00172) | 36.10th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.06% (0.00062) | 28.69th | v3 (v2023.03.01) |
| Jun 13, 2024 | 0.06% (0.00062) | 26.70th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.06% (0.00062) | 24.69th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.83% (0.01832) | 77.15th | v2 (v2022.01.01) |
| Feb 23, 2023 | 1.83% (0.01832) | 77.10th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.83% (0.01832) | 75.09th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.83% (0.01832) | 54.44th | v2 (v2022.01.01) |
References (5)
- http://packetstormsecurity.com/files/134107/Samsung-Fimg2d-FIMG2D_BITBLT_BLIT-Ioctl-Concurrency-Flaw.html x_refsource_MISCExploitThird Party AdvisoryVDB Entry
- http://security.samsungmobile.com/smrupdate.html#SMR-OCT-2015 x_refsource_CONFIRMVendor Advisory
- http://www.securityfocus.com/bid/77335 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- https://bugs.chromium.org/p/project-zero/issues/detail?id=492 x_refsource_MISCIssue TrackingThird Party Advisory
- https://www.exploit-db.com/exploits/38557/ exploitx_refsource_EXPLOIT-DBThird Party AdvisoryVDB Entry
| Link | Providers | Tags |
|---|---|---|
| http://packetstormsecurity.com/files/134107/Samsung-Fimg2d-FIMG2D_BITBLT_BLIT-Ioctl-Concurrency-Flaw.html | x_refsource_MISCExploitThird Party AdvisoryVDB Entry | |
| http://security.samsungmobile.com/smrupdate.html#SMR-OCT-2015 | x_refsource_CONFIRMVendor Advisory | |
| http://www.securityfocus.com/bid/77335 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| https://bugs.chromium.org/p/project-zero/issues/detail?id=492 | x_refsource_MISCIssue TrackingThird Party Advisory | |
| https://www.exploit-db.com/exploits/38557/ | exploitx_refsource_EXPLOIT-DBThird Party AdvisoryVDB Entry |
Change history (0)
No recorded changes yet.