EUVD-2026-77143
GHSA-fpf9-x37v-vr9p
Severity by source
AV:L/AC:H/PR:L/UI:N/S:C/C:N/I:L/A:L
Local, error-path-dependent trigger (AC:H/PR:L); kernel crash outcome warrants A:H not A:L; no integrity or confidentiality impact evidenced.
Primary rating from Vendor (mitre).
CVSS VectorVendor: mitre
Lifecycle Timeline
5DescriptionCVE.org
An issue was discovered in Samsung Mobile Processor Exynos 1280, 2200, 1380, 1480, 2400, 1580, 2500, 1680, and 2600. A Use-After-Free in the Exynos DRM HDR driver (due to improper cleanup upon vmap failure) leads to a kernel crash.
AnalysisAI
Use-After-Free in the Samsung Exynos DRM HDR kernel driver causes a kernel crash on devices running Exynos 1280, 2200, 1380, 1480, 2400, 1580, 2500, 1680, and 2600 SoCs. The defect lies in the error-handling path of the HDR driver: when a vmap() call fails, cleanup does not properly invalidate the freed mapping, leaving a dangling reference that is subsequently dereferenced, crashing the kernel. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires local code execution on the device at low privilege (PR:L) - achievable by any installed Android application that can reach the DRM HDR driver interface, which is not available to fully sandboxed apps without appropriate SELinux permissions. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 3.1 base score of 4.2 (AV:L/AC:H/PR:L/UI:N/S:C/C:N/I:L/A:L) correctly identifies this as a medium-severity, locally exploitable issue. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | Vendor-released patch is available per Samsung's semiconductor security advisory. … Detailed patch versions, workarounds, and compensating controls in full report. |
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Same weakness CWE-416 – Use After Free
View allSame technique Denial Of Service
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External POC / Exploit Code
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