vulnerability
Red Hat: CVE-2020-27153: CVE-2020-27153 bluez: double free in gatttool client disconnect callback handler in src/shared/att.c could lead to DoS or RCE (Multiple Advisories)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 8 | (AV:N/AC:L/Au:N/C:P/I:P/A:P) | Oct 15, 2020 | May 21, 2021 | Aug 11, 2025 |
Severity
8
CVSS
(AV:N/AC:L/Au:N/C:P/I:P/A:P)
Published
Oct 15, 2020
Added
May 21, 2021
Modified
Aug 11, 2025
Description
In 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.
Solutions
no-fix-redhat-rpm-packageredhat-upgrade-bluezredhat-upgrade-bluez-cupsredhat-upgrade-bluez-cups-debuginforedhat-upgrade-bluez-debuginforedhat-upgrade-bluez-debugsourceredhat-upgrade-bluez-hid2hciredhat-upgrade-bluez-hid2hci-debuginforedhat-upgrade-bluez-libsredhat-upgrade-bluez-libs-debuginforedhat-upgrade-bluez-libs-develredhat-upgrade-bluez-obexdredhat-upgrade-bluez-obexd-debuginfo
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