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CVE-2021-0920

Published: 12/15/2021 Last updated: 2/4/2025 Reserved: 11/6/2020

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

CNA assigner: google_android (baff130e-b8d5-4e15-b3d3-c3cf5d5545c6) Requested by: n/a

Metrics

Version Score Severity Vector String
3.1 6.4 Medium CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H

Opam packages affected (27)

albatross cdrom conf-bpftool conf-libbpf conf-linux-libc-dev core core_unix hvsock mirage-block-unix mm ocaml-probes orun rawlink rawlink-eio rawlink-lwt shell solo5 solo5-bindings-hvt solo5-bindings-spt solo5-cross-aarch64 solo5-kernel-ukvm tracy-client tuntap uring vhd-format vhd-format-lwt xapi-stdext-unix

Products affected (1)

Product Vendor Version
Android n/a SA8620P

References (4)