CVE-2021-39698

NameCVE-2021-39698
DescriptionIn aio_poll_complete_work of aio.c, there is a possible memory corruption due to a use after free. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-185125206References: Upstream kernel
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
ReferencesDLA-2940-1, DLA-2941-1, DSA-5096-1
NVD severityhigh

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
linux (PTS)stretch4.9.228-1vulnerable
stretch (security)4.9.303-1fixed
buster4.19.235-1fixed
buster (security)4.19.232-1fixed
bullseye5.10.106-1fixed
bullseye (security)5.10.113-1fixed
bookworm5.17.3-1fixed
sid5.17.6-1fixed
linux-4.19 (PTS)stretch (security)4.19.232-1~deb9u1fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
linuxsourcestretch4.9.303-1DLA-2940-1
linuxsourcebuster4.19.232-1DSA-5096-1
linuxsourcebullseye5.10.92-1
linuxsource(unstable)5.15.15-1
linux-4.19sourcestretch4.19.232-1~deb9u1DLA-2941-1

Notes

https://source.android.com/security/bulletin/2022-03-01

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