CVE-2021-33034

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Summary

CVECVE-2021-33034
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2021-05-14 23:15:00 UTC
Updated2023-11-07 03:35:00 UTC
DescriptionIn the Linux kernel before 5.12.4, net/bluetooth/hci_event.c has a use-after-free when destroying an hci_chan, aka CID-5c4c8c954409. This leads to writing an arbitrary value.

Risk And Classification

Problem Types: CWE-416

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Debian Debian Linux 9.0 All All All
Operating System Fedoraproject Fedora 34 All All All
Operating System Linux Linux Kernel All All All All

References

ReferenceSourceLinkTags
[SECURITY] Fedora 34 Update: kernel-5.11.21-300.fc34 - package-announce - Fedora Mailing-Lists lists.fedoraproject.org
SyzScope - KASAN: use-after-free Read in hci_send_acl MISC sites.google.com
[SECURITY] [DLA 2689-1] linux security update MLIST lists.debian.org
cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.12.4 MISC cdn.kernel.org
[SECURITY] Fedora 34 Update: kernel-5.11.21-300.fc34 - package-announce - Fedora Mailing-Lists FEDORA lists.fedoraproject.org
[SECURITY] [DLA 2690-1] linux-4.19 security update MLIST lists.debian.org
KASAN: use-after-free Read in hci_send_acl MISC syzkaller.appspot.com
kernel/git/torvalds/linux.git - Linux kernel source tree MISC git.kernel.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 159286 Oracle Enterprise Linux Security Update for kernel (ELSA-2021-2570)
  • 159296 Oracle Enterprise Linux Security Update for Unbreakable Enterprise kernel (ELSA-2021-9346)
  • 159304 Oracle Enterprise Linux Security Update for Unbreakable Enterprise kernel (ELSA-2021-9349)
  • 159305 Oracle Enterprise Linux Security Update for Unbreakable Enterprise kernel-container (ELSA-2021-9351)
  • 159306 Oracle Enterprise Linux Security Update for Unbreakable Enterprise kernel (ELSA-2021-9362)
  • 159307 Oracle Enterprise Linux Security Update for Unbreakable Enterprise kernel-container (ELSA-2021-9363)
  • 159310 Oracle Enterprise Linux Security Update for kernel (ELSA-2021-2725)
  • 178679 Debian Security Update for linux-4.19 (DLA 2690-1)
  • 178680 Debian Security Update for linux (DLA 2689-1)
  • 179540 Debian Security Update for linux (CVE-2021-33034)
  • 198416 Ubuntu Security Notification for Linux kernel vulnerabilities (USN-4997-1)
  • 198418 Ubuntu Security Notification for Linux kernel vulnerabilities (USN-5000-1)
  • 198419 Ubuntu Security Notification for Linux kernel (OEM) vulnerabilities (USN-5001-1)
  • 198425 Ubuntu Security Notification for Linux kernel (KVM) vulnerabilities (USN-5000-2)
  • 198426 Ubuntu Security Notification for Linux kernel (KVM) vulnerabilities (USN-4997-2)
  • 198437 Ubuntu Security Notification for Linux kernel vulnerabilities (USN-5016-1) (Sequoia)
  • 198459 Ubuntu Security Notification for Linux, Linux-aws, Linux-aws-hwe, Linux-azure, Linux-azure-4.15, Linux-gcp, (USN-5018-1)
  • 239458 Red Hat Update for kernel-rt (RHSA-2021:2599)
  • 239467 Red Hat Update for kernel (RHSA-2021:2570)
  • 239470 Red Hat Update for kpatch-patch (RHSA-2021:2563)
  • 239482 Red Hat Update for kpatch-patch (RHSA-2021:2668)
  • 239483 Red Hat Update for kernel (RHSA-2021:2666)
  • 239495 Red Hat Update for kpatch-patch (RHSA-2021:2727) (Sequoia)
  • 239500 Red Hat Update for kpatch-patch (RHSA-2021:2720) (Sequoia)
  • 239501 Red Hat Update for kernel-rt (RHSA-2021:2719) (Sequoia)
  • 239502 Red Hat Update for kernel (RHSA-2021:2718) (Sequoia)
  • 239521 Red Hat Update for kpatch-patch (RHSA-2021:2729)
  • 239522 Red Hat Update for kernel (RHSA-2021:2728)
  • 239523 Red Hat Update for kernel-rt (RHSA-2021:2726)
  • 239524 Red Hat Update for kernel (RHSA-2021:2725)
  • 257100 CentOS Security Update for kernel (CESA-2021:2725)
  • 281142 Fedora Security Update for kernel (FEDORA-2021-bae582b42c)
  • 352465 Amazon Linux Security Advisory for kernel-livepatch: ALAS2LIVEPATCH-2021-053
  • 352466 Amazon Linux Security Advisory for kernel-livepatch: ALAS2LIVEPATCH-2021-052
  • 352467 Amazon Linux Security Advisory for kernel-livepatch: ALAS2LIVEPATCH-2021-051
  • 352468 Amazon Linux Security Advisory for kernel-livepatch: ALAS2LIVEPATCH-2021-050
  • 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
  • 390223 Oracle Managed Virtualization (VM) Server for x86 Security Update for kernel (OVMSA-2021-0022)
  • 670488 EulerOS Security Update for kernel (EulerOS-SA-2021-2246)
  • 670514 EulerOS Security Update for kernel (EulerOS-SA-2021-2272)
  • 750117 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2021:1891-1)
  • 750118 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2021:1890-1)
  • 750121 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2021:1888-1)
  • 750125 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2021:1887-1)
  • 750126 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2021:1889-1)
  • 750139 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2021:1913-1)
  • 750140 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2021:1912-1)
  • 750171 OpenSUSE Security Update for the Linux Kernel (openSUSE-SU-2021:0843-1)
  • 750650 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2021:1975-1)
  • 750652 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2021:1977-1)
  • 750671 SUSE Enterprise Linux Security Update for the Linux Kernel (Live Patch 37 for SLE 12 SP3) (SUSE-SU-2021:2042-1)
  • 750672 SUSE Enterprise Linux Security Update for the Linux Kernel (Live Patch 7 for SLE 12 SP5) (SUSE-SU-2021:2025-1)
  • 750673 SUSE Enterprise Linux Security Update for the Linux Kernel (Live Patch 17 for SLE 12 SP5) (SUSE-SU-2021:2067-1)
  • 750674 SUSE Enterprise Linux Security Update for the Linux Kernel (Live Patch 18 for SLE 12 SP5) (SUSE-SU-2021:2020-1)
  • 750675 SUSE Enterprise Linux Security Update for the Linux Kernel (Live Patch 39 for SLE 12 SP3) (SUSE-SU-2021:2026-1)
  • 750676 SUSE Enterprise Linux Security Update for the Linux Kernel (Live Patch 13 for SLE 15 SP2) (SUSE-SU-2021:2027-1)
  • 750678 SUSE Enterprise Linux Security Update for the Linux Kernel (Live Patch 24 for SLE 15) (SUSE-SU-2021:2057-1)
  • 750679 SUSE Enterprise Linux Security Update for the Linux Kernel (Live Patch 22 for SLE 15) (SUSE-SU-2021:2060-1)
  • 750741 OpenSUSE Security Update for the Linux Kernel (openSUSE-SU-2021:0947-1)
  • 750762 OpenSUSE Security Update for the Linux Kernel (openSUSE-SU-2021:1977-1)
  • 750766 OpenSUSE Security Update for the Linux Kernel (openSUSE-SU-2021:1975-1)
  • 750864 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2021:2421-1)
  • 750880 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2021:2451-1)
  • 900096 CBL-Mariner Linux Security Update for kernel 5.10.52.1
  • 900304 CBL-Mariner Linux Security Update for kernel 5.10.57.1
  • 900319 CBL-Mariner Linux Security Update for kernel 5.10.60.1
  • 901884 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (6562-1)
  • 902868 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (4204)
  • 905800 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (4204-1)
  • 940091 AlmaLinux Security Update for kernel (ALSA-2021:2570)
  • 960056 Rocky Linux Security Update for kernel (RLSA-2021:2570)
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