CVE & CISA-KEV Catalog

CVE-2021-28952

HIGH
7.8
CVSS v3
NVD

Description

An issue was discovered in the Linux kernel through 5.11.8. The sound/soc/qcom/sdm845.c soundwire device driver has a buffer overflow when an unexpected port ID number is encountered, aka CID-1c668e1c0a0f. (This has been fixed in 5.12-rc4.)

CWE-120Classic Buffer Overflow

How to fix

Remediation Available
linuxDebian
Fixed in:5.10.26-1CVE-2021-28952
Fixed in:5.10.26-1CVE-2021-28952
Fixed in:5.10.26-1CVE-2021-28952
Fixed in:5.10.26-1CVE-2021-28952
linux-hwe-5.8Ubuntu
Fixed in:5.8.0-55.62~20.04.1USN-4984-1
linux-image-5.10.0-1026-oemUbuntu
Fixed in:5.10.0-1026.27USN-4948-1
linux-image-5.8.0-55-genericUbuntu
Fixed in:5.8.0-55.62~20.04.1USN-4984-1
linux-image-5.8.0-55-generic-64kUbuntu
Fixed in:5.8.0-55.62~20.04.1USN-4984-1
linux-image-5.8.0-55-generic-lpaeUbuntu
Fixed in:5.8.0-55.62~20.04.1USN-4984-1
linux-image-5.8.0-55-lowlatencyUbuntu
Fixed in:5.8.0-55.62~20.04.1USN-4984-1
linux-image-generic-64k-hwe-20.04Ubuntu
Fixed in:5.8.0.55.62~20.04.39USN-4984-1
linux-image-generic-hwe-20.04Ubuntu
Fixed in:5.8.0.55.62~20.04.39USN-4984-1
linux-image-generic-lpae-hwe-20.04Ubuntu
Fixed in:5.8.0.55.62~20.04.39USN-4984-1
linux-image-lowlatency-hwe-20.04Ubuntu
Fixed in:5.8.0.55.62~20.04.39USN-4984-1
linux-image-oem-20.04bUbuntu
Fixed in:5.10.0.1026.27USN-4948-1
linux-image-virtual-hwe-20.04Ubuntu
Fixed in:5.8.0.55.62~20.04.39USN-4984-1
linux-oem-5.10Ubuntu
Fixed in:5.10.0-1026.27USN-4948-1

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 VectorLocal
Attack ComplexityLow
Privileges RequiredLow
User InteractionNone
ScopeUnchanged

Impact

ConfidentialityHigh
IntegrityHigh
AvailabilityHigh

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

Exploit Intelligence

0.38%probability of exploitation in 30 days
30thpercentile

Low risk: more likely to be exploited than 30% of all known CVEs.

References

Third-Party Advisory1

Related Vulnerabilities

Other CWE-120 (Classic Buffer Overflow) vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2014-0195Medium6.8100%-Fix
CVE-2017-7269Critical9.8100%KEV-
CVE-2019-11043High8.799%KEV + RansomFix
CVE-2011-4862High10.095%-Fix
CVE-2007-5659High7.894%KEVFix
CVE-2022-3786High7.591%-Fix
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CVE-2021-28952 severity badge

Markdown

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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.