CVE-2017-15843

CVE-2017-15843 is a high-severity vulnerability in Google Android with a CVSS 3.x base score of 7.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-362.

Key facts

Description

Due to a race condition in a bus driver, a double free in msm_bus_floor_vote_context() can potentially occur in all Android releases from CAF (Android for MSM, Firefox OS for MSM, QRD Android) using the Linux Kernel.

Frequently asked questions

What is CVE-2017-15843?
Due to a race condition in a bus driver, a double free in msm_bus_floor_vote_context() can potentially occur in all Android releases from CAF (Android for MSM, Firefox OS for MSM, QRD Android) using the Linux Kernel.
How severe is CVE-2017-15843?
CVE-2017-15843 has a CVSS 3.x base score of 7.0, rated high severity. It is exploitable over local access with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2017-15843 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (2nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-15843?
CVE-2017-15843 affects Google Android. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-15843?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2017-15843 published?
CVE-2017-15843 was published on 2018-06-12 and last updated on 2026-06-17.

References

Affected products (1)

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