Vulnerability · Published Oct 17, 2022 · Assigned by VulDB

CVE-2022-3564Linux Kernel Bluetooth l2cap_core.c l2cap_reassemble_sdu use after free

Medium 5.5

In plain English

A medium-severity memory corruption in Kernel from Linux. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.5% (higher than 74% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code. Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)5.5Medium
Exploit odds (30 days)1.5%top 26.4% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack tooling1Public PoC

Official description

A vulnerability classified as critical was found in Linux Kernel. Affected by this vulnerability is the function l2cap_reassemble_sdu of the file net/bluetooth/l2cap_core.c of the component Bluetooth. The manipulation leads to use after free. It is recommended to apply a patch to fix this issue. The associated identifier of this vulnerability is VDB-211087.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
AlmaLinux:8bpftool4.18.0-477.10.1.el8_8ALSA-2023:2951
AlmaLinux:9bpftool5.14.0-162.18.1.el9_1ALSA-2023:0951
AlmaLinux:8kernel4.18.0-477.10.1.el8_8ALSA-2023:2951
AlmaLinux:9kernel5.14.0-162.18.1.el9_1ALSA-2023:0951
AlmaLinux:8kernel-abi-stablelists4.18.0-477.10.1.el8_8ALSA-2023:2951
AlmaLinux:9kernel-abi-stablelists5.14.0-162.18.1.el9_1ALSA-2023:0951
AlmaLinux:8kernel-core4.18.0-477.10.1.el8_8ALSA-2023:2951
AlmaLinux:9kernel-core5.14.0-162.18.1.el9_1ALSA-2023:0951
AlmaLinux:8kernel-cross-headers4.18.0-477.10.1.el8_8ALSA-2023:2951
AlmaLinux:9kernel-cross-headers5.14.0-162.18.1.el9_1ALSA-2023:0951
AlmaLinux:8kernel-debug4.18.0-477.10.1.el8_8ALSA-2023:2951
AlmaLinux:9kernel-debug5.14.0-162.18.1.el9_1ALSA-2023:0951
AlmaLinux:8kernel-debug-core4.18.0-477.10.1.el8_8ALSA-2023:2951
AlmaLinux:9kernel-debug-core5.14.0-162.18.1.el9_1ALSA-2023:0951
AlmaLinux:8kernel-debug-devel4.18.0-477.10.1.el8_8ALSA-2023:2951
AlmaLinux:9kernel-debug-devel5.14.0-162.18.1.el9_1ALSA-2023:0951
AlmaLinux:9kernel-debug-devel-matched5.14.0-162.18.1.el9_1ALSA-2023:0951
AlmaLinux:8kernel-debug-modules4.18.0-477.10.1.el8_8ALSA-2023:2951
AlmaLinux:9kernel-debug-modules5.14.0-162.18.1.el9_1ALSA-2023:0951
AlmaLinux:8kernel-debug-modules-extra4.18.0-477.10.1.el8_8ALSA-2023:2951
AlmaLinux:9kernel-debug-modules-extra5.14.0-162.18.1.el9_1ALSA-2023:0951
AlmaLinux:8kernel-devel4.18.0-477.10.1.el8_8ALSA-2023:2951
AlmaLinux:9kernel-devel5.14.0-162.18.1.el9_1ALSA-2023:0951
AlmaLinux:9kernel-devel-matched5.14.0-162.18.1.el9_1ALSA-2023:0951
AlmaLinux:8kernel-doc4.18.0-477.10.1.el8_8ALSA-2023:2951
AlmaLinux:9kernel-doc5.14.0-162.18.1.el9_1ALSA-2023:0951
AlmaLinux:8kernel-modules4.18.0-477.10.1.el8_8ALSA-2023:2951
AlmaLinux:9kernel-modules5.14.0-162.18.1.el9_1ALSA-2023:0951
AlmaLinux:8kernel-modules-extra4.18.0-477.10.1.el8_8ALSA-2023:2951
AlmaLinux:9kernel-modules-extra5.14.0-162.18.1.el9_1ALSA-2023:0951
AlmaLinux:8kernel-rt4.18.0-477.10.1.rt7.274.el8_8ALSA-2023:2736
AlmaLinux:9kernel-rt5.14.0-162.18.1.rt21.181.el9_1ALSA-2023:0979
AlmaLinux:8kernel-rt-core4.18.0-477.10.1.rt7.274.el8_8ALSA-2023:2736
AlmaLinux:9kernel-rt-core5.14.0-162.18.1.rt21.181.el9_1ALSA-2023:0979
AlmaLinux:8kernel-rt-debug4.18.0-477.10.1.rt7.274.el8_8ALSA-2023:2736
AlmaLinux:9kernel-rt-debug5.14.0-162.18.1.rt21.181.el9_1ALSA-2023:0979
AlmaLinux:8kernel-rt-debug-core4.18.0-477.10.1.rt7.274.el8_8ALSA-2023:2736
AlmaLinux:9kernel-rt-debug-core5.14.0-162.18.1.rt21.181.el9_1ALSA-2023:0979
AlmaLinux:8kernel-rt-debug-devel4.18.0-477.10.1.rt7.274.el8_8ALSA-2023:2736
AlmaLinux:9kernel-rt-debug-devel5.14.0-162.18.1.rt21.181.el9_1ALSA-2023:0979
AlmaLinux:8kernel-rt-debug-kvm4.18.0-477.10.1.rt7.274.el8_8ALSA-2023:2736
AlmaLinux:9kernel-rt-debug-kvm5.14.0-162.18.1.rt21.181.el9_1ALSA-2023:0979
AlmaLinux:8kernel-rt-debug-modules4.18.0-477.10.1.rt7.274.el8_8ALSA-2023:2736
AlmaLinux:9kernel-rt-debug-modules5.14.0-162.18.1.rt21.181.el9_1ALSA-2023:0979
AlmaLinux:8kernel-rt-debug-modules-extra4.18.0-477.10.1.rt7.274.el8_8ALSA-2023:2736
AlmaLinux:9kernel-rt-debug-modules-extra5.14.0-162.18.1.rt21.181.el9_1ALSA-2023:0979
AlmaLinux:8kernel-rt-devel4.18.0-477.10.1.rt7.274.el8_8ALSA-2023:2736
AlmaLinux:9kernel-rt-devel5.14.0-162.18.1.rt21.181.el9_1ALSA-2023:0979
AlmaLinux:8kernel-rt-kvm4.18.0-477.10.1.rt7.274.el8_8ALSA-2023:2736
AlmaLinux:9kernel-rt-kvm5.14.0-162.18.1.rt21.181.el9_1ALSA-2023:0979
AlmaLinux:8kernel-rt-modules4.18.0-477.10.1.rt7.274.el8_8ALSA-2023:2736
AlmaLinux:9kernel-rt-modules5.14.0-162.18.1.rt21.181.el9_1ALSA-2023:0979
AlmaLinux:8kernel-rt-modules-extra4.18.0-477.10.1.rt7.274.el8_8ALSA-2023:2736
AlmaLinux:9kernel-rt-modules-extra5.14.0-162.18.1.rt21.181.el9_1ALSA-2023:0979
AlmaLinux:8kernel-tools4.18.0-477.10.1.el8_8ALSA-2023:2951
AlmaLinux:9kernel-tools5.14.0-162.18.1.el9_1ALSA-2023:0951
AlmaLinux:8kernel-tools-libs4.18.0-477.10.1.el8_8ALSA-2023:2951
AlmaLinux:9kernel-tools-libs5.14.0-162.18.1.el9_1ALSA-2023:0951
AlmaLinux:8kernel-tools-libs-devel4.18.0-477.10.1.el8_8ALSA-2023:2951
AlmaLinux:9kernel-tools-libs-devel5.14.0-162.18.1.el9_1ALSA-2023:0951
AlmaLinux:8kernel-zfcpdump4.18.0-477.10.1.el8_8ALSA-2023:2951
AlmaLinux:9kernel-zfcpdump5.14.0-162.18.1.el9_1ALSA-2023:0951
AlmaLinux:8kernel-zfcpdump-core4.18.0-477.10.1.el8_8ALSA-2023:2951
AlmaLinux:9kernel-zfcpdump-core5.14.0-162.18.1.el9_1ALSA-2023:0951
AlmaLinux:8kernel-zfcpdump-devel4.18.0-477.10.1.el8_8ALSA-2023:2951
AlmaLinux:9kernel-zfcpdump-devel5.14.0-162.18.1.el9_1ALSA-2023:0951
AlmaLinux:9kernel-zfcpdump-devel-matched5.14.0-162.18.1.el9_1ALSA-2023:0951
AlmaLinux:8kernel-zfcpdump-modules4.18.0-477.10.1.el8_8ALSA-2023:2951
AlmaLinux:9kernel-zfcpdump-modules5.14.0-162.18.1.el9_1ALSA-2023:0951
AlmaLinux:8kernel-zfcpdump-modules-extra4.18.0-477.10.1.el8_8ALSA-2023:2951
AlmaLinux:9kernel-zfcpdump-modules-extra5.14.0-162.18.1.el9_1ALSA-2023:0951
AlmaLinux:8perf4.18.0-477.10.1.el8_8ALSA-2023:2951
AlmaLinux:9perf5.14.0-162.18.1.el9_1ALSA-2023:0951
AlmaLinux:8python3-perf4.18.0-477.10.1.el8_8ALSA-2023:2951
AlmaLinux:9python3-perf5.14.0-162.18.1.el9_1ALSA-2023:0951
Debian:12linux6.0.8-1DEBIAN-CVE-2022-3564
Debian:13linux6.0.8-1DEBIAN-CVE-2022-3564
Debian:14linux6.0.8-1DEBIAN-CVE-2022-3564
Rocky Linux:9kernel0:5.14.0-162.18.1.el9_1.cloudRXSA-2023:0951
Rocky Linux:9kernel-rt0:5.14.0-162.18.1.rt21.181.el9_1RLSA-2023:0979
Ubuntu:22.04:LTSlinux5.15.0-56.62UBUNTU-CVE-2022-3564
Ubuntu:22.04:LTSlinux5.15.0-56.62USN-5755-1
Ubuntu:22.04:LTSlinux-aws5.15.0-1026.30USN-5755-1
Ubuntu:22.04:LTSlinux-aws5.15.0-1026.30UBUNTU-CVE-2022-3564
Ubuntu:22.04:LTSlinux-aws-6.2no fix listedUBUNTU-CVE-2022-3564
Ubuntu:22.04:LTSlinux-azure5.15.0-1029.36USN-5779-1
Ubuntu:22.04:LTSlinux-azure5.15.0-1029.36UBUNTU-CVE-2022-3564
Ubuntu:22.04:LTSlinux-azure-6.2no fix listedUBUNTU-CVE-2022-3564
Ubuntu:22.04:LTSlinux-azure-fde5.15.0-1029.36.1UBUNTU-CVE-2022-3564
Ubuntu:22.04:LTSlinux-azure-fde5.15.0-1029.36.1USN-5779-1
Ubuntu:22.04:LTSlinux-azure-fde-6.2no fix listedUBUNTU-CVE-2022-3564
Ubuntu:22.04:LTSlinux-gcp5.15.0-1025.32UBUNTU-CVE-2022-3564
Ubuntu:22.04:LTSlinux-gcp5.15.0-1025.32USN-5755-1
Ubuntu:22.04:LTSlinux-gcp-6.2no fix listedUBUNTU-CVE-2022-3564
Ubuntu:22.04:LTSlinux-gke5.15.0-1023.28UBUNTU-CVE-2022-3564
Ubuntu:22.04:LTSlinux-gke5.15.0-1023.28USN-5755-2
Ubuntu:22.04:LTSlinux-gkeop5.15.0-1011.15UBUNTU-CVE-2022-3564
Ubuntu:22.04:LTSlinux-gkeop5.15.0-1011.15USN-5755-1
Ubuntu:22.04:LTSlinux-hwe-6.2no fix listedUBUNTU-CVE-2022-3564
Ubuntu:22.04:LTSlinux-ibm5.15.0-1021.24USN-5755-1
Ubuntu:22.04:LTSlinux-ibm5.15.0-1021.24UBUNTU-CVE-2022-3564
Ubuntu:22.04:LTSlinux-intel-iot-realtimeno fix listedUBUNTU-CVE-2022-3564
Ubuntu:22.04:LTSlinux-intel-iotg5.15.0-1021.26UBUNTU-CVE-2022-3564
Ubuntu:22.04:LTSlinux-intel-iotg5.15.0-1021.26USN-5755-1
Ubuntu:22.04:LTSlinux-kvm5.15.0-1024.29USN-5755-1
Ubuntu:22.04:LTSlinux-kvm5.15.0-1024.29UBUNTU-CVE-2022-3564
Ubuntu:22.04:LTSlinux-lowlatency5.15.0-56.62UBUNTU-CVE-2022-3564
Ubuntu:22.04:LTSlinux-lowlatency5.15.0-56.62USN-5755-1
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.2no fix listedUBUNTU-CVE-2022-3564
Ubuntu:22.04:LTSlinux-nvidia5.15.0-1015.15UBUNTU-CVE-2022-3564
Ubuntu:22.04:LTSlinux-nvidia-6.2no fix listedUBUNTU-CVE-2022-3564
Ubuntu:22.04:LTSlinux-oem-5.175.17.0-1024.25USN-5773-1
Ubuntu:22.04:LTSlinux-oem-5.175.17.0-1024.25UBUNTU-CVE-2022-3564
Ubuntu:22.04:LTSlinux-oem-6.06.0.0-1008.8UBUNTU-CVE-2022-3564
Ubuntu:22.04:LTSlinux-oracle5.15.0-1025.31UBUNTU-CVE-2022-3564
Ubuntu:22.04:LTSlinux-oracle5.15.0-1025.31USN-5755-1
Ubuntu:22.04:LTSlinux-raspi5.15.0-1021.23UBUNTU-CVE-2022-3564
Ubuntu:22.04:LTSlinux-raspi5.15.0-1021.23USN-5755-1
Ubuntu:24.04:LTSlinux-raspi-realtimeno fix listedUBUNTU-CVE-2022-3564
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2022-3564
Ubuntu:22.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2022-3564

Affected products (as reported)

VendorProductVersions
Linux Kernel n/a

Weakness: CWE-119 · Vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

References