Cyber Resilience

CVE-2024-27361

Race Condition in Samsung Exynos 980 Firmware

Race Condition
Published
09 July 2024
Modified
26 June 2025
Patch / advisory
View advisory
CVSS Score v3.1 5.1
Click a component to see what it means
Raw vectorCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:H
EPSS Score 0.0012 2th percentile
Risk Priority 37 floored blend · peak EPSS

CVSS and EPSS are reproduced from their sources (NVD, FIRST EPSS). Risk Priority is our own derived reading, not an NVD score.

Summary

CVE-2024-27361 is a medium-severity Time-of-check Time-of-use (TOCTOU) Race Condition (CWE-367) vulnerability in Samsung Exynos 980 Firmware. Its CVSS base score is 5.1 (Medium).

Operationally, exploitation aligns with the MITRE ATT&CK technique Path Interception (T1034); ranked at the 2th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

The strongest mitigations our analysis identified map to AC-25 (Reference Monitor) and AC-3 (Access Enforcement) — see the control section below for these in your framework.

EU & UK References

Vulnerability Data

A vulnerability was discovered in Samsung Mobile Processor Exynos 980, Exynos 990, Exynos 1080, Exynos 2100, Exynos 2200, Exynos 1280, Exynos 1380, and Exynos 2400 that involves a time-of-check to time-of-use (TOCTOU) race condition, which can lead to a Denial…

more

of Service.

CWE(s)
CWE-367

Related Threats

MITRE ATT&CK Enterprise Techniques

T1034 Path Interception Persistence
**This technique has been deprecated.
attack.mitre.org →
T1548 Abuse Elevation Control Mechanism Privilege Escalation
Adversaries may circumvent mechanisms designed to control privilege elevation to gain higher-level permissions.
attack.mitre.org →
T1574 Hijack Execution Flow Stealth
Adversaries may execute their own malicious payloads by hijacking the way operating systems run programs.
attack.mitre.org →
Derived from this CVE’s CWE(s) via the direct CWE→ATT&CK cross-walk.

CVEs Like This One

CVE-2023-42483Same product: Samsung Exynos 1080
CVE-2025-23102Same product: Samsung Exynos 1080
CVE-2025-23098Same product: Samsung Exynos 1080
CVE-2024-28818Same product: Samsung Exynos 1080
CVE-2023-45864Same product: Samsung Exynos 1080
CVE-2025-54323Same product: Samsung Exynos 1080
CVE-2024-56426Same product: Samsung Exynos 1080
CVE-2023-40218Same product: Samsung Exynos 1280
CVE-2023-43122Same product: Samsung Exynos 1080
CVE-2023-50804Same product: Samsung Exynos 1080

Affected Assets

samsung
exynos 980 firmware
all versions
samsung
exynos 990 firmware
all versions
samsung
exynos 1080 firmware
all versions
samsung
exynos 2100 firmware
all versions
samsung
exynos 2200 firmware
all versions
samsung
exynos 1280 firmware
all versions
samsung
exynos 1380 firmware
all versions
samsung
exynos 2400 firmware
all versions

Mitigating Controls

Control response

Prevent
Stop it (NIST 800-53)

—

Detect
Catch it (NIST detect / respond)

—

Harden
Shrink the surface (DISA STIG)

—

Validate
Prove the fix (OWASP ASVS)
  • V15.4.2
  • V17.2.6

Mitigating Controls (NIST 800-53 r5) AI

AC-25 Reference Monitor good match

A reference monitor that is always invoked and analyzable structurally eliminates the non-atomic check-then-use pattern underlying TOCTOU.

AC-3 Access Enforcement partial match

Access enforcement that performs an atomic check-and-use decision directly stops the window in which a TOCTOU race can be exploited.

SC-39 Process Isolation partial match

Process isolation limits the blast radius of a successful TOCTOU exploitation but does not remove the race itself.

Mitigating Controls (NIST CSF 2.0) AI

Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→CSF cross-walk (authority under review) — links open the control.

PR.PS-06 mostly match
prevents

Secure SDLC practices directly include coding standards and reviews that prevent TOCTOU race conditions.

References