high7.1
CVE-2021-3752
A use-after-free flaw was found in the Linux kernel’s Bluetooth subsystem in the way user calls connect to the socket and disconnect simultaneously due to a ra…
Impact
A use-after-free flaw was found in the Linux kernel’s Bluetooth subsystem in the way user calls connect to the socket and disconnect simultaneously due to a race condition. This flaw allows a user to crash the system or escalate their privileges. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Linux | Linux Kernel | from 2.6.12 before 4.4.293 from 4.5 before 4.9.291 from 4.10 before 4.14.256 from 4.15 before 4.19.218 from 4.20 before 5.4.160 from 5.5 before 5.10.80 |
| Redhat | 3scale | Version 2.0 |
| Redhat | Virtualization Host | Version 4.0 |
| Fedoraproject | Fedora | Version 34 |
| Redhat | Enterprise Linux | Versions 7.0, 8.0 |
| Redhat | Enterprise Linux For Real Time | Version 7 |
| Redhat | Enterprise Linux For Real Time For Nfv | Version 7 |
| Netapp | H300s Firmware | All versions |
| Netapp | H500s Firmware | All versions |
| Netapp | H700s Firmware | All versions |
| Netapp | H300e Firmware | All versions |
| Netapp | H500e Firmware | All versions |
Weakness classification
References
- NVD record
- CVE.org record
- https://bugzilla.redhat.com/show_bug.cgi?id=1999544
- https://lists.debian.org/debian-lts-announce/2022/03/msg00011.html
- https://lists.debian.org/debian-lts-announce/2022/03/msg00012.html
- https://lore.kernel.org/lkml/20211115165435.133245729%40linuxfoundation.org/
- https://security.netapp.com/advisory/ntap-20220318-0009/
- https://www.debian.org/security/2022/dsa-5096
- https://www.openwall.com/lists/oss-security/2021/09/15/4
- https://www.oracle.com/security-alerts/cpujul2022.html
- https://bugzilla.redhat.com/show_bug.cgi?id=1999544
- https://lists.debian.org/debian-lts-announce/2022/03/msg00011.html
- https://lists.debian.org/debian-lts-announce/2022/03/msg00012.html
- https://lore.kernel.org/lkml/20211115165435.133245729%40linuxfoundation.org/
- https://security.netapp.com/advisory/ntap-20220318-0009/
- https://www.debian.org/security/2022/dsa-5096
- https://www.openwall.com/lists/oss-security/2021/09/15/4
- https://www.oracle.com/security-alerts/cpujul2022.html