CVE: CVE-2021-0920

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In unix_scm_to_skb of af_unix.c, there is a possible use after free bug due to a race condition. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-196926917References: Upstream kernel

Threat-Mapped Scoring

Score: 0.0

Priority: Unclassified

EPSS

Score: 0.0051
Percentile: 0.65368

CVSS Scoring

CVSS v3.1 Score: 6.4

Severity: MEDIUM

KEV is present

Mapped CWE(s)

CWE-362 : Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
CWE-416 : Use After Free

All CAPEC(s)

CAPEC-26: Leveraging Race Conditions
CAPEC-29: Leveraging Time-of-Check and Time-of-Use (TOCTOU) Race Conditions

CAPEC(s) with Mapped TTPs

Mapped ATT&CK TTPs

Affected Products

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.14:rc1:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.14:rc2:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:5.14:rc3:*:*:*:*:*:*
cpe:2.3:o:google:android:-:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*

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