CVE & CISA-KEV Catalog

CVE-2020-12654

HIGH
7.1
CVSS v3
NVD

Description

An issue was found in Linux kernel before 5.5.4. mwifiex_ret_wmm_get_status() in drivers/net/wireless/marvell/mwifiex/wmm.c allows a remote AP to trigger a heap-based buffer overflow because of an incorrect memcpy, aka CID-3a9b153c5591.

CWE-787Out-of-bounds Write

How to fix

Remediation Available
linuxDebian
Fixed in:5.5.13-1CVE-2020-12654
Fixed in:5.5.13-1CVE-2020-12654
Fixed in:5.5.13-1CVE-2020-12654
Fixed in:5.5.13-1CVE-2020-12654
linuxUbuntu
Fixed in:3.13.0-180.231USN-4392-1
linux-image-3.13.0-180-genericUbuntu
Fixed in:3.13.0-180.231USN-4392-1
linux-image-3.13.0-180-generic-lpaeUbuntu
Fixed in:3.13.0-180.231USN-4392-1
linux-image-3.13.0-180-lowlatencyUbuntu
Fixed in:3.13.0-180.231USN-4392-1
linux-image-3.13.0-180-powerpc-e500Ubuntu
Fixed in:3.13.0-180.231USN-4392-1
linux-image-3.13.0-180-powerpc-e500mcUbuntu
Fixed in:3.13.0-180.231USN-4392-1
linux-image-3.13.0-180-powerpc-smpUbuntu
Fixed in:3.13.0-180.231USN-4392-1
linux-image-3.13.0-180-powerpc64-embUbuntu
Fixed in:3.13.0-180.231USN-4392-1
linux-image-3.13.0-180-powerpc64-smpUbuntu
Fixed in:3.13.0-180.231USN-4392-1
linux-image-genericUbuntu
Fixed in:3.13.0.180.189USN-4392-1
linux-image-generic-lpaeUbuntu
Fixed in:3.13.0.180.189USN-4392-1
linux-image-highbankUbuntu
Fixed in:3.13.0.180.189USN-4392-1
linux-image-lowlatencyUbuntu
Fixed in:3.13.0.180.189USN-4392-1
linux-image-omapUbuntu
Fixed in:3.13.0.180.189USN-4392-1
linux-image-powerpc-e500Ubuntu
Fixed in:3.13.0.180.189USN-4392-1
linux-image-powerpc-e500mcUbuntu
Fixed in:3.13.0.180.189USN-4392-1
linux-image-powerpc-smpUbuntu
Fixed in:3.13.0.180.189USN-4392-1
linux-image-powerpc64-embUbuntu
Fixed in:3.13.0.180.189USN-4392-1
linux-image-powerpc64-smpUbuntu
Fixed in:3.13.0.180.189USN-4392-1
linux-image-serverUbuntu
Fixed in:3.13.0.180.189USN-4392-1
linux-image-virtualUbuntu
Fixed in:3.13.0.180.189USN-4392-1

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorAdjacent
Attack ComplexityHigh
Privileges RequiredNone
User InteractionRequired
ScopeUnchanged

Impact

ConfidentialityHigh
IntegrityHigh
AvailabilityHigh

CVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

Exploit Intelligence

1.22%probability of exploitation in 30 days
65thpercentile

Moderate risk: more likely to be exploited than 65% of all known CVEs.

References

Vendor Advisory1
Third-Party Advisory2

Related Vulnerabilities

Other CWE-787 (Out-of-bounds Write) vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2025-22457Critical9.0100%KEV + RansomFix
CVE-2025-0282Critical9.0100%KEV + Ransom-
CVE-2015-3113Critical9.8100%KEVFix
CVE-2021-20038Critical9.8100%KEV + Ransom-
CVE-2023-4863High8.8100%KEVFix
CVE-2020-16040Medium6.5100%-Fix
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HTML

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.