CVE-2018-5821
HighIn Qualcomm Android for MSM, Firefox OS for MSM, and QRD Android with all Android releases from CAF using the Linux kernel before security patch level 2018-04-05, in function wma_wow_wakeup_host_event(), wake_info->vdev_id is received from FW and is used directly as array index to access wma->interfaces whose max index should be (max_bssid-1). If wake_info->vdev_id is greater than or equal to max_bssid, an out-of-bounds read occurs.
CVSS 3.0 score
7.3
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Weakness type
CWE-125CVE-2018-5821 is a Out-of-bounds Read vulnerability
What is Out-of-bounds Read?
The product reads data past the end or before the beginning of the intended buffer. Learn more on MITRE CWE
References
The following references provide additional information about CVE-2018-5821 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.
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Vendor Advisory
Frequently asked questions
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What is CVE-2018-5821?
CVE-2018-5821 is a High severity Linux kernel vulnerability with a CVSS score of 7.3 out of 10 , classified as an Out-of-bounds Read flaw (CWE-125) . CVE-2018-5821 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
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What is the CVSS score for CVE-2018-5821?
CVE-2018-5821 has a CVSS score of 7.3 out of 10, rated High severity (CVSS 3.0). The vector string is
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L. -
Is there a patch available for CVE-2018-5821?
No patch is currently available for CVE-2018-5821. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
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Is CVE-2018-5821 actively exploited?
No — CVE-2018-5821 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.
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What is Out-of-bounds Read (CWE-125)?
The product reads data past the end or before the beginning of the intended buffer. View CWE-125 on MITRE CWE →