CVE-2023-54214

linux: In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix potential user-after-free...

CVE-2023-54214 is fixed in 65 products on 1 platform, first by RHSA-2024:2394, released April 30, 2024. It is not reported as exploited. Patch Radar priority: High.

High
CVSS
8.8
high
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0030
22nd percentile

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix potential user-after-free This fixes all instances of which requires to allocate a buffer calling alloc_skb which may release the chan lock and reacquire later which makes it possible that the chan is disconnected in the meantime.

Where it's fixed

ProductFixed inFixReleased
Linux
bpftool · RHEL 8 0:4.18.0-553.166.1.el8_10 RHSA-2026:70402 Sep 23, 2026
bpftool · RHEL 9 0:7.3.0-427.13.1.el9_4 RHSA-2024:2394 Apr 30, 2024
bpftool · almalinux 8 4.18.0-553.166.1.el8_10 ALSA-2026:70402 Sep 22, 2026
bpftool · ol 8 0:4.18.0-553.168.1.el8_10 ELSA-2026-70402 Oct 2, 2026
kernel · RHEL 8 0:4.18.0-553.166.1.el8_10 RHSA-2026:70402 Sep 23, 2026
kernel · RHEL 9 0:5.14.0-427.13.1.el9_4 RHSA-2024:2394 Apr 30, 2024
kernel · almalinux 8 4.18.0-553.166.1.el8_10 ALSA-2026:70402 Sep 22, 2026
kernel · ol 8 0:4.18.0-553.168.1.el8_10 ELSA-2026-70402 Oct 2, 2026
kernel · rocky 8 0:4.18.0-553.166.1.el8_10 RLSA-2026:70402 Sep 24, 2026
kernel-64k · RHEL 9 0:5.14.0-427.13.1.el9_4 RHSA-2024:2394 Apr 30, 2024
kernel-64k-core · RHEL 9 0:5.14.0-427.13.1.el9_4 RHSA-2024:2394 Apr 30, 2024
kernel-64k-debug · RHEL 9 0:5.14.0-427.13.1.el9_4 RHSA-2024:2394 Apr 30, 2024
kernel-64k-debug-core · RHEL 9 0:5.14.0-427.13.1.el9_4 RHSA-2024:2394 Apr 30, 2024
kernel-64k-debug-devel · RHEL 9 0:5.14.0-427.13.1.el9_4 RHSA-2024:2394 Apr 30, 2024
kernel-64k-debug-devel-matched · RHEL 9 0:5.14.0-427.13.1.el9_4 RHSA-2024:2394 Apr 30, 2024
kernel-64k-debug-modules · RHEL 9 0:5.14.0-427.13.1.el9_4 RHSA-2024:2394 Apr 30, 2024
kernel-64k-debug-modules-core · RHEL 9 0:5.14.0-427.13.1.el9_4 RHSA-2024:2394 Apr 30, 2024
kernel-64k-debug-modules-extra · RHEL 9 0:5.14.0-427.13.1.el9_4 RHSA-2024:2394 Apr 30, 2024
kernel-64k-devel · RHEL 9 0:5.14.0-427.13.1.el9_4 RHSA-2024:2394 Apr 30, 2024
kernel-64k-devel-matched · RHEL 9 0:5.14.0-427.13.1.el9_4 RHSA-2024:2394 Apr 30, 2024
kernel-64k-modules · RHEL 9 0:5.14.0-427.13.1.el9_4 RHSA-2024:2394 Apr 30, 2024
kernel-64k-modules-core · RHEL 9 0:5.14.0-427.13.1.el9_4 RHSA-2024:2394 Apr 30, 2024
kernel-64k-modules-extra · RHEL 9 0:5.14.0-427.13.1.el9_4 RHSA-2024:2394 Apr 30, 2024
kernel-abi-stablelists · RHEL 8 0:4.18.0-553.166.1.el8_10 RHSA-2026:70402 Sep 23, 2026
kernel-abi-stablelists · RHEL 9 0:5.14.0-427.13.1.el9_4 RHSA-2024:2394 Apr 30, 2024
kernel-abi-stablelists · almalinux 8 4.18.0-553.166.1.el8_10 ALSA-2026:70402 Sep 22, 2026
kernel-abi-stablelists · ol 8 0:4.18.0-553.168.1.el8_10 ELSA-2026-70402 Oct 2, 2026
kernel-core · RHEL 8 0:4.18.0-553.166.1.el8_10 RHSA-2026:70402 Sep 23, 2026
kernel-core · RHEL 9 0:5.14.0-427.13.1.el9_4 RHSA-2024:2394 Apr 30, 2024
kernel-core · almalinux 8 4.18.0-553.166.1.el8_10 ALSA-2026:70402 Sep 22, 2026
kernel-core · ol 8 0:4.18.0-553.168.1.el8_10 ELSA-2026-70402 Oct 2, 2026
kernel-cross-headers · almalinux 8 4.18.0-553.166.1.el8_10 ALSA-2026:70402 Sep 22, 2026
kernel-cross-headers · ol 8 0:4.18.0-553.168.1.el8_10 ELSA-2026-70402 Oct 2, 2026
kernel-debug · RHEL 8 0:4.18.0-553.166.1.el8_10 RHSA-2026:70402 Sep 23, 2026
kernel-debug · RHEL 9 0:5.14.0-427.13.1.el9_4 RHSA-2024:2394 Apr 30, 2024
kernel-debug · almalinux 8 4.18.0-553.166.1.el8_10 ALSA-2026:70402 Sep 22, 2026
kernel-debug · ol 8 0:4.18.0-553.168.1.el8_10 ELSA-2026-70402 Oct 2, 2026
kernel-debug-core · RHEL 8 0:4.18.0-553.166.1.el8_10 RHSA-2026:70402 Sep 23, 2026
kernel-debug-core · RHEL 9 0:5.14.0-427.13.1.el9_4 RHSA-2024:2394 Apr 30, 2024
kernel-debug-core · almalinux 8 4.18.0-553.166.1.el8_10 ALSA-2026:70402 Sep 22, 2026
kernel-debug-core · ol 8 0:4.18.0-553.168.1.el8_10 ELSA-2026-70402 Oct 2, 2026
kernel-debug-devel · RHEL 8 0:4.18.0-553.166.1.el8_10 RHSA-2026:70402 Sep 23, 2026
kernel-debug-devel · RHEL 9 0:5.14.0-427.13.1.el9_4 RHSA-2024:2394 Apr 30, 2024
kernel-debug-devel · almalinux 8 4.18.0-553.166.1.el8_10 ALSA-2026:70402 Sep 22, 2026
kernel-debug-devel · ol 8 0:4.18.0-553.168.1.el8_10 ELSA-2026-70402 Oct 2, 2026
kernel-debug-devel-matched · RHEL 9 0:5.14.0-427.13.1.el9_4 RHSA-2024:2394 Apr 30, 2024
kernel-debug-modules · RHEL 8 0:4.18.0-553.166.1.el8_10 RHSA-2026:70402 Sep 23, 2026
kernel-debug-modules · RHEL 9 0:5.14.0-427.13.1.el9_4 RHSA-2024:2394 Apr 30, 2024
kernel-debug-modules · almalinux 8 4.18.0-553.166.1.el8_10 ALSA-2026:70402 Sep 22, 2026
kernel-debug-modules · ol 8 0:4.18.0-553.168.1.el8_10 ELSA-2026-70402 Oct 2, 2026
kernel-debug-modules-core · RHEL 9 0:5.14.0-427.13.1.el9_4 RHSA-2024:2394 Apr 30, 2024
kernel-debug-modules-extra · RHEL 8 0:4.18.0-553.166.1.el8_10 RHSA-2026:70402 Sep 23, 2026
kernel-debug-modules-extra · RHEL 9 0:5.14.0-427.13.1.el9_4 RHSA-2024:2394 Apr 30, 2024
kernel-debug-modules-extra · almalinux 8 4.18.0-553.166.1.el8_10 ALSA-2026:70402 Sep 22, 2026
kernel-debug-modules-extra · ol 8 0:4.18.0-553.168.1.el8_10 ELSA-2026-70402 Oct 2, 2026
kernel-debug-uki-virt · RHEL 9 0:5.14.0-427.13.1.el9_4 RHSA-2024:2394 Apr 30, 2024
kernel-devel · RHEL 8 0:4.18.0-553.166.1.el8_10 RHSA-2026:70402 Sep 23, 2026
kernel-devel · RHEL 9 0:5.14.0-427.13.1.el9_4 RHSA-2024:2394 Apr 30, 2024
kernel-devel · almalinux 8 4.18.0-553.166.1.el8_10 ALSA-2026:70402 Sep 22, 2026
kernel-devel · ol 8 0:4.18.0-553.168.1.el8_10 ELSA-2026-70402 Oct 2, 2026
kernel-devel-matched · RHEL 9 0:5.14.0-427.13.1.el9_4 RHSA-2024:2394 Apr 30, 2024
kernel-doc · RHEL 8 0:4.18.0-553.166.1.el8_10 RHSA-2026:70402 Sep 23, 2026
kernel-doc · RHEL 9 0:5.14.0-427.13.1.el9_4 RHSA-2024:2394 Apr 30, 2024
kernel-doc · almalinux 8 4.18.0-553.166.1.el8_10 ALSA-2026:70402 Sep 22, 2026
kernel-doc · ol 8 0:4.18.0-553.168.1.el8_10 ELSA-2026-70402 Oct 2, 2026
kernel-headers · almalinux 8 4.18.0-553.166.1.el8_10 ALSA-2026:70402 Sep 22, 2026
kernel-headers · ol 8 0:4.18.0-553.168.1.el8_10 ELSA-2026-70402 Oct 2, 2026
kernel-modules · RHEL 8 0:4.18.0-553.166.1.el8_10 RHSA-2026:70402 Sep 23, 2026
kernel-modules · RHEL 9 0:5.14.0-427.13.1.el9_4 RHSA-2024:2394 Apr 30, 2024
kernel-modules · almalinux 8 4.18.0-553.166.1.el8_10 ALSA-2026:70402 Sep 22, 2026
kernel-modules · ol 8 0:4.18.0-553.168.1.el8_10 ELSA-2026-70402 Oct 2, 2026
kernel-modules-core · RHEL 9 0:5.14.0-427.13.1.el9_4 RHSA-2024:2394 Apr 30, 2024
kernel-modules-extra · RHEL 8 0:4.18.0-553.166.1.el8_10 RHSA-2026:70402 Sep 23, 2026
kernel-modules-extra · RHEL 9 0:5.14.0-427.13.1.el9_4 RHSA-2024:2394 Apr 30, 2024
kernel-modules-extra · almalinux 8 4.18.0-553.166.1.el8_10 ALSA-2026:70402 Sep 22, 2026
kernel-modules-extra · ol 8 0:4.18.0-553.168.1.el8_10 ELSA-2026-70402 Oct 2, 2026
kernel-rt · RHEL 8 0:4.18.0-553.166.1.rt7.507.el8_10 RHSA-2026:70403 Sep 23, 2026
kernel-rt · RHEL 9 0:5.14.0-427.13.1.el9_4 RHSA-2024:2394 Apr 30, 2024
kernel-rt · almalinux 8 4.18.0-553.166.1.rt7.507.el8_10 ALSA-2026:70403 Sep 22, 2026
kernel-rt · rocky 8 0:4.18.0-553.166.1.rt7.507.el8_10 RLSA-2026:70403 Sep 24, 2026
kernel-rt-core · RHEL 8 0:4.18.0-553.166.1.rt7.507.el8_10 RHSA-2026:70403 Sep 23, 2026
kernel-rt-core · RHEL 9 0:5.14.0-427.13.1.el9_4 RHSA-2024:2394 Apr 30, 2024
kernel-rt-core · almalinux 8 4.18.0-553.166.1.rt7.507.el8_10 ALSA-2026:70403 Sep 22, 2026
kernel-rt-debug · RHEL 8 0:4.18.0-553.166.1.rt7.507.el8_10 RHSA-2026:70403 Sep 23, 2026
kernel-rt-debug · RHEL 9 0:5.14.0-427.13.1.el9_4 RHSA-2024:2394 Apr 30, 2024
kernel-rt-debug · almalinux 8 4.18.0-553.166.1.rt7.507.el8_10 ALSA-2026:70403 Sep 22, 2026
kernel-rt-debug-core · RHEL 8 0:4.18.0-553.166.1.rt7.507.el8_10 RHSA-2026:70403 Sep 23, 2026
kernel-rt-debug-core · RHEL 9 0:5.14.0-427.13.1.el9_4 RHSA-2024:2394 Apr 30, 2024
kernel-rt-debug-core · almalinux 8 4.18.0-553.166.1.rt7.507.el8_10 ALSA-2026:70403 Sep 22, 2026
kernel-rt-debug-devel · RHEL 8 0:4.18.0-553.166.1.rt7.507.el8_10 RHSA-2026:70403 Sep 23, 2026
kernel-rt-debug-devel · RHEL 9 0:5.14.0-427.13.1.el9_4 RHSA-2024:2394 Apr 30, 2024
kernel-rt-debug-devel · almalinux 8 4.18.0-553.166.1.rt7.507.el8_10 ALSA-2026:70403 Sep 22, 2026
kernel-rt-debug-kvm · RHEL 8 0:4.18.0-553.166.1.rt7.507.el8_10 RHSA-2026:70403 Sep 23, 2026
kernel-rt-debug-kvm · RHEL 9 0:5.14.0-427.13.1.el9_4 RHSA-2024:2394 Apr 30, 2024
kernel-rt-debug-modules · RHEL 8 0:4.18.0-553.166.1.rt7.507.el8_10 RHSA-2026:70403 Sep 23, 2026
kernel-rt-debug-modules · RHEL 9 0:5.14.0-427.13.1.el9_4 RHSA-2024:2394 Apr 30, 2024
kernel-rt-debug-modules · almalinux 8 4.18.0-553.166.1.rt7.507.el8_10 ALSA-2026:70403 Sep 22, 2026
kernel-rt-debug-modules-core · RHEL 9 0:5.14.0-427.13.1.el9_4 RHSA-2024:2394 Apr 30, 2024
kernel-rt-debug-modules-extra · RHEL 8 0:4.18.0-553.166.1.rt7.507.el8_10 RHSA-2026:70403 Sep 23, 2026
kernel-rt-debug-modules-extra · RHEL 9 0:5.14.0-427.13.1.el9_4 RHSA-2024:2394 Apr 30, 2024
kernel-rt-debug-modules-extra · almalinux 8 4.18.0-553.166.1.rt7.507.el8_10 ALSA-2026:70403 Sep 22, 2026
kernel-rt-devel · RHEL 8 0:4.18.0-553.166.1.rt7.507.el8_10 RHSA-2026:70403 Sep 23, 2026
kernel-rt-devel · RHEL 9 0:5.14.0-427.13.1.el9_4 RHSA-2024:2394 Apr 30, 2024
kernel-rt-devel · almalinux 8 4.18.0-553.166.1.rt7.507.el8_10 ALSA-2026:70403 Sep 22, 2026
kernel-rt-kvm · RHEL 8 0:4.18.0-553.166.1.rt7.507.el8_10 RHSA-2026:70403 Sep 23, 2026
kernel-rt-kvm · RHEL 9 0:5.14.0-427.13.1.el9_4 RHSA-2024:2394 Apr 30, 2024
kernel-rt-modules · RHEL 8 0:4.18.0-553.166.1.rt7.507.el8_10 RHSA-2026:70403 Sep 23, 2026
kernel-rt-modules · RHEL 9 0:5.14.0-427.13.1.el9_4 RHSA-2024:2394 Apr 30, 2024
kernel-rt-modules · almalinux 8 4.18.0-553.166.1.rt7.507.el8_10 ALSA-2026:70403 Sep 22, 2026
kernel-rt-modules-core · RHEL 9 0:5.14.0-427.13.1.el9_4 RHSA-2024:2394 Apr 30, 2024
kernel-rt-modules-extra · RHEL 8 0:4.18.0-553.166.1.rt7.507.el8_10 RHSA-2026:70403 Sep 23, 2026
kernel-rt-modules-extra · RHEL 9 0:5.14.0-427.13.1.el9_4 RHSA-2024:2394 Apr 30, 2024
kernel-rt-modules-extra · almalinux 8 4.18.0-553.166.1.rt7.507.el8_10 ALSA-2026:70403 Sep 22, 2026
kernel-tools · RHEL 8 0:4.18.0-553.166.1.el8_10 RHSA-2026:70402 Sep 23, 2026
kernel-tools · RHEL 9 0:5.14.0-427.13.1.el9_4 RHSA-2024:2394 Apr 30, 2024
kernel-tools · almalinux 8 4.18.0-553.166.1.el8_10 ALSA-2026:70402 Sep 22, 2026
kernel-tools · ol 8 0:4.18.0-553.168.1.el8_10 ELSA-2026-70402 Oct 2, 2026
kernel-tools-libs · RHEL 8 0:4.18.0-553.166.1.el8_10 RHSA-2026:70402 Sep 23, 2026
kernel-tools-libs · RHEL 9 0:5.14.0-427.13.1.el9_4 RHSA-2024:2394 Apr 30, 2024
kernel-tools-libs · almalinux 8 4.18.0-553.166.1.el8_10 ALSA-2026:70402 Sep 22, 2026
kernel-tools-libs · ol 8 0:4.18.0-553.168.1.el8_10 ELSA-2026-70402 Oct 2, 2026
kernel-tools-libs-devel · RHEL 8 0:4.18.0-553.166.1.el8_10 RHSA-2026:70402 Sep 23, 2026
kernel-tools-libs-devel · RHEL 9 0:5.14.0-427.13.1.el9_4 RHSA-2024:2394 Apr 30, 2024
kernel-tools-libs-devel · almalinux 8 4.18.0-553.166.1.el8_10 ALSA-2026:70402 Sep 22, 2026
kernel-tools-libs-devel · ol 8 0:4.18.0-553.168.1.el8_10 ELSA-2026-70402 Oct 2, 2026
kernel-uki-virt · RHEL 9 0:5.14.0-427.13.1.el9_4 RHSA-2024:2394 Apr 30, 2024
kernel-zfcpdump · RHEL 8 0:4.18.0-553.166.1.el8_10 RHSA-2026:70402 Sep 23, 2026
kernel-zfcpdump · RHEL 9 0:5.14.0-427.13.1.el9_4 RHSA-2024:2394 Apr 30, 2024
kernel-zfcpdump · almalinux 8 4.18.0-553.166.1.el8_10 ALSA-2026:70402 Sep 22, 2026
kernel-zfcpdump-core · RHEL 8 0:4.18.0-553.166.1.el8_10 RHSA-2026:70402 Sep 23, 2026
kernel-zfcpdump-core · RHEL 9 0:5.14.0-427.13.1.el9_4 RHSA-2024:2394 Apr 30, 2024
kernel-zfcpdump-core · almalinux 8 4.18.0-553.166.1.el8_10 ALSA-2026:70402 Sep 22, 2026
kernel-zfcpdump-devel · RHEL 8 0:4.18.0-553.166.1.el8_10 RHSA-2026:70402 Sep 23, 2026
kernel-zfcpdump-devel · RHEL 9 0:5.14.0-427.13.1.el9_4 RHSA-2024:2394 Apr 30, 2024
kernel-zfcpdump-devel · almalinux 8 4.18.0-553.166.1.el8_10 ALSA-2026:70402 Sep 22, 2026
kernel-zfcpdump-devel-matched · RHEL 9 0:5.14.0-427.13.1.el9_4 RHSA-2024:2394 Apr 30, 2024
kernel-zfcpdump-modules · RHEL 8 0:4.18.0-553.166.1.el8_10 RHSA-2026:70402 Sep 23, 2026
kernel-zfcpdump-modules · RHEL 9 0:5.14.0-427.13.1.el9_4 RHSA-2024:2394 Apr 30, 2024
kernel-zfcpdump-modules · almalinux 8 4.18.0-553.166.1.el8_10 ALSA-2026:70402 Sep 22, 2026
kernel-zfcpdump-modules-core · RHEL 9 0:5.14.0-427.13.1.el9_4 RHSA-2024:2394 Apr 30, 2024
kernel-zfcpdump-modules-extra · RHEL 8 0:4.18.0-553.166.1.el8_10 RHSA-2026:70402 Sep 23, 2026
kernel-zfcpdump-modules-extra · RHEL 9 0:5.14.0-427.13.1.el9_4 RHSA-2024:2394 Apr 30, 2024
kernel-zfcpdump-modules-extra · almalinux 8 4.18.0-553.166.1.el8_10 ALSA-2026:70402 Sep 22, 2026
libperf · RHEL 9 0:5.14.0-427.13.1.el9_4 RHSA-2024:2394 Apr 30, 2024
linux · Debian 12.15 (bookworm) 6.1.20-1 DEBIAN-CVE-2023-54214 Dec 30, 2025
linux · Debian 13.5 (trixie) 6.1.20-1 DEBIAN-CVE-2023-54214 Dec 30, 2025
linux · Debian 14 6.1.20-1 DEBIAN-CVE-2023-54214 Dec 30, 2025
perf · RHEL 8 0:4.18.0-553.166.1.el8_10 RHSA-2026:70402 Sep 23, 2026
perf · RHEL 9 0:5.14.0-427.13.1.el9_4 RHSA-2024:2394 Apr 30, 2024
perf · almalinux 8 4.18.0-553.166.1.el8_10 ALSA-2026:70402 Sep 22, 2026
perf · ol 8 0:4.18.0-553.168.1.el8_10 ELSA-2026-70402 Oct 2, 2026
python3-perf · RHEL 8 0:4.18.0-553.166.1.el8_10 RHSA-2026:70402 Sep 23, 2026
python3-perf · RHEL 9 0:5.14.0-427.13.1.el9_4 RHSA-2024:2394 Apr 30, 2024
python3-perf · almalinux 8 4.18.0-553.166.1.el8_10 ALSA-2026:70402 Sep 22, 2026
python3-perf · ol 8 0:4.18.0-553.168.1.el8_10 ELSA-2026-70402 Oct 2, 2026
rtla · RHEL 9 0:5.14.0-427.13.1.el9_4 RHSA-2024:2394 Apr 30, 2024
rv · RHEL 9 0:5.14.0-427.13.1.el9_4 RHSA-2024:2394 Apr 30, 2024

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