CVE-2020-27153

NameCVE-2020-27153
DescriptionIn BlueZ before 5.55, a double free was found in the gatttool disconnect_cb() routine from shared/att.c. A remote attacker could potentially cause a denial of service or code execution, during service discovery, due to a redundant disconnect MGMT event.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDLA-2410-1, DSA-4951-1, ELA-301-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
bluez (PTS)jessie, jessie (lts)5.43-2+deb9u2~deb8u6fixed
stretch (security)5.43-2+deb9u5fixed
stretch (lts), stretch5.43-2+deb9u7fixed
buster5.50-1.2~deb10u2fixed
buster (security)5.50-1.2~deb10u4fixed
bullseye (security), bullseye5.55-3.1+deb11u1fixed
bookworm (security), bookworm5.66-1+deb12u1fixed
sid, trixie5.71-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
bluezsourcejessie5.43-2+deb9u2~deb8u2ELA-301-1
bluezsourcestretch5.43-2+deb9u3DLA-2410-1
bluezsourcebuster5.50-1.2~deb10u2DSA-4951-1
bluezsource(unstable)5.55-1

Notes

https://bugzilla.redhat.com/show_bug.cgi?id=1884817
https://git.kernel.org/pub/scm/bluetooth/bluez.git/commit/?id=1cd644db8c23a2f530ddb93cebed7dacc5f5721a

Search for package or bug name: Reporting problems