CVE-2021-3573

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Summary

CVECVE-2021-3573
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2021-08-13 14:15:00 UTC
Updated2023-11-07 03:38:00 UTC
DescriptionA use-after-free in function hci_sock_bound_ioctl() of the Linux kernel HCI subsystem was found in the way user calls ioct HCIUNBLOCKADDR or other way triggers race condition of the call hci_unregister_dev() together with one of the calls hci_sock_blacklist_add(), hci_sock_blacklist_del(), hci_get_conn_info(), hci_get_auth_info(). A privileged local user could use this flaw to crash the system or escalate their privileges on the system. This flaw affects the Linux kernel versions prior to 5.13-rc5.

Risk And Classification

Problem Types: CWE-362

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Fedoraproject Fedora 34 All All All
Operating System Linux Linux Kernel All All All All
Operating System Linux Linux Kernel 5.13 rc1 All All
Operating System Linux Linux Kernel 5.13 rc2 All All
Operating System Linux Linux Kernel 5.13 rc3 All All
Operating System Linux Linux Kernel 5.13 rc4 All All
Operating System Redhat Enterprise Linux 6.0 All All All
Operating System Redhat Enterprise Linux 7.0 All All All
Operating System Redhat Enterprise Linux 8.0 All All All

References

ReferenceSourceLinkTags
oss-security - CVE-2021-3573: UAF in hci_sock_bound_ioctl() function MISC www.openwall.com
oss-security - CVE-2023-3439: Linux MCTP use-after-free in mctp_sendmsg MLIST www.openwall.com
kernel/git/bluetooth/bluetooth.git - Bluetooth kernel tree MISC git.kernel.org
1966578 – (CVE-2021-3573) CVE-2021-3573 kernel: use-after-free in function hci_sock_bound_ioctl() MISC bugzilla.redhat.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 159393 Oracle Enterprise Linux Security Update for Unbreakable Enterprise kernel (ELSA-2021-9450)
  • 159394 Oracle Enterprise Linux Security Update for Unbreakable Enterprise kernel-container (ELSA-2021-9451)
  • 159402 Oracle Enterprise Linux Security Update for Unbreakable Enterprise kernel-container (ELSA-2021-9458)
  • 159404 Oracle Enterprise Linux Security Update for Unbreakable Enterprise kernel (ELSA-2021-9460)
  • 159424 Oracle Enterprise Linux Security Update for Unbreakable Enterprise kernel (ELSA-2021-9485)
  • 159427 Oracle Enterprise Linux Security Update for Unbreakable Enterprise kernel-container (ELSA-2021-9488)
  • 159492 Oracle Enterprise Linux Security Update for kernel (ELSA-2021-4356)
  • 159664 Oracle Enterprise Linux Security Update for kernel security and bug fix update (ELSA-2022-0620)
  • 159777 Oracle Enterprise Linux Security Update for unbreakable enterprise kernel (ELSA-2022-9348)
  • 178679 Debian Security Update for linux-4.19 (DLA 2690-1)
  • 178680 Debian Security Update for linux (DLA 2689-1)
  • 180145 Debian Security Update for linux (CVE-2021-3573)
  • 198436 Ubuntu Security Notification for Linux kernel (OEM) vulnerabilities (USN-5015-1) (Sequoia)
  • 198463 Ubuntu Security Notification for Linux kernel Vulnerabilities (USN-5044-1)
  • 198464 Ubuntu Security Notification for Linux kernel Vulnerabilities (USN-5045-1)
  • 198465 Ubuntu Security Notification for Linux kernel Vulnerabilities (USN-5046-1)
  • 198468 Ubuntu Security Notification for Linux kernel Vulnerabilities (USN-5050-1)
  • 239816 Red Hat Update for kernel security (RHSA-2021:4356)
  • 239879 Red Hat Update for kernel-rt (RHSA-2021:4140)
  • 240096 Red Hat Update for kernel-rt (RHSA-2022:0622)
  • 240115 Red Hat Update for kernel (RHSA-2022:0620)
  • 257155 CentOS Security Update for kernel (CESA-2022:0620)
  • 281633 Fedora Security Update for kernel (FEDORA-2021-db2bb87f35)
  • 281634 Fedora Security Update for kernel (FEDORA-2021-bc2a819bc5)
  • 352489 Amazon Linux Security Advisory for kernel: ALAS2-2021-1685
  • 352831 Amazon Linux Security Advisory for kernel: ALAC2012-2021-030
  • 352832 Amazon Linux Security Advisory for kmod-sfc: ALAC2012-2021-031
  • 352833 Amazon Linux Security Advisory for kmod-mlx5: ALAC2012-2021-032
  • 353147 Amazon Linux Security Advisory for kernel : ALAS2KERNEL-5.4-2022-004
  • 353158 Amazon Linux Security Advisory for kernel : ALAS2KERNEL-5.10-2022-002
  • 390261 Oracle Managed Virtualization (VM) Server for x86 Security Update for kernel (OVMSA-2022-0014)
  • 670578 EulerOS Security Update for kernel (EulerOS-SA-2021-2336)
  • 670634 EulerOS Security Update for kernel (EulerOS-SA-2021-2392)
  • 671047 EulerOS Security Update for kernel (EulerOS-SA-2021-2588)
  • 750828 OpenSUSE Security Update for the Linux Kernel (openSUSE-SU-2021:2305-1)
  • 750842 OpenSUSE Security Update for the Linux Kernel (openSUSE-SU-2021:2352-1)
  • 751238 SUSE Enterprise Linux Security Update for the Linux Kernel (Live Patch 40 for SLE 12 SP3) (SUSE-SU-2021:3459-1)
  • 900316 CBL-Mariner Linux Security Update for kernel 5.10.57.1
  • 900319 CBL-Mariner Linux Security Update for kernel 5.10.60.1
  • 901114 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (6574-1)
  • 903578 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (5421)
  • 905736 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (5421-1)
  • 940265 AlmaLinux Security Update for kernel (ALSA-2021:4356)
  • 960044 Rocky Linux Security Update for kernel (RLSA-2021:4356)
  • 960065 Rocky Linux Security Update for kernel-rt (RLSA-2021:4140)
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