CVE-2021-0920

Summary

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

Affected Software

Weaknesses

• Elevation of privilege

ADP Enrichment

CVE Program Container

Additional References

• https://source.android.com/security/bulletin/2021-11-01
• https://lists.debian.org/debian-lts-announce/2021/12/msg00012.html

CISA ADP Vulnrichment

• SSVC:
• Exploitation: active
  • Automatable: no
  • Technical Impact: total

Additional References

• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-0920

References

• https://source.android.com/security/bulletin/2021-11-01
• https://lists.debian.org/debian-lts-announce/2021/12/msg00012.html

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