CVE-2018-5821

High

In 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.

Package Linux Kernel
Published 2018-04-03
Last modified 2024-11-21
CVSS version 3.0
Patch available
Awaiting data

CVSS 3.0 score

7.3

out of 10
High
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
Low
Vector string
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Weakness type

CWE-125

CVE-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.

Frequently asked questions

  • 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.

  • 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.

  • 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.

  • 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 →