Is CVE-2023-53827 in the CISA KEV catalog?

No. CVE-2023-53827 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the EPSS score for CVE-2023-53827?

CVE-2023-53827 has an EPSS score of 0.22% (12th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-53827?

Upgrade linux on debian 11 to 5.10.178-1 or later. Fixes are available for 51 affected products.

CVE & CISA-KEV Catalog

CVE-2023-53827

UNSCORED

NVD

Description

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix use-after-free in l2cap_disconnect_{req,rsp} Similar to commit d0be8347c623 ("Bluetooth: L2CAP: Fix use-after-free caused by l2cap_chan_put"), just use l2cap_chan_hold_unless_zero to prevent referencing a channel that is about to be destroyed.

How to fix

Remediation Available

linuxDebian

Fixed in:5.10.178-1CVE-2023-53827

Fixed in:6.1.25-1CVE-2023-53827

bpftoolRed Hat / RHEL

Fixed in:0:4.18.0-193.187.1.el8_2RHSA-2026:3388

Fixed in:0:4.18.0-305.186.1.el8_4RHSA-2026:3360

bpftoolRocky

Fixed in:0:4.18.0-193.187.1.el8_2RHSA-2026:3388

Fixed in:0:4.18.0-305.186.1.el8_4RHSA-2026:3360

bpftool-debuginfoRed Hat / RHEL

Fixed in:0:4.18.0-305.186.1.el8_4RHSA-2026:3360

Fixed in:0:4.18.0-193.187.1.el8_2RHSA-2026:3388

bpftool-debuginfoRocky

Fixed in:0:4.18.0-305.186.1.el8_4RHSA-2026:3360

Fixed in:0:4.18.0-193.187.1.el8_2RHSA-2026:3388

kernelRed Hat / RHEL

Fixed in:0:4.18.0-305.186.1.el8_4RHSA-2026:3360

Fixed in:0:4.18.0-193.187.1.el8_2RHSA-2026:3388

kernelRocky

Fixed in:0:4.18.0-305.186.1.el8_4RHSA-2026:3360

Fixed in:0:4.18.0-193.187.1.el8_2RHSA-2026:3388

Fixed in:0:4.18.0-305.186.1.el8_4RHSA-2026:3360

kernel-abi-stablelistsRed Hat / RHEL

Fixed in:0:4.18.0-305.186.1.el8_4RHSA-2026:3360

kernel-abi-stablelistsRocky

Fixed in:0:4.18.0-305.186.1.el8_4RHSA-2026:3360

kernel-abi-whitelistsRocky

Fixed in:0:4.18.0-193.187.1.el8_2RHSA-2026:3388

kernel-abi-whitelistsRed Hat / RHEL

Fixed in:0:4.18.0-193.187.1.el8_2RHSA-2026:3388

kernel-coreRed Hat / RHEL

Fixed in:0:4.18.0-193.187.1.el8_2RHSA-2026:3388

Fixed in:0:4.18.0-305.186.1.el8_4RHSA-2026:3360

kernel-coreRocky

Fixed in:0:4.18.0-305.186.1.el8_4RHSA-2026:3360

Fixed in:0:4.18.0-193.187.1.el8_2RHSA-2026:3388

kernel-debugRed Hat / RHEL

Fixed in:0:4.18.0-193.187.1.el8_2RHSA-2026:3388

Fixed in:0:4.18.0-305.186.1.el8_4RHSA-2026:3360

kernel-debugRocky

Fixed in:0:4.18.0-305.186.1.el8_4RHSA-2026:3360

Fixed in:0:4.18.0-193.187.1.el8_2RHSA-2026:3388

kernel-debug-coreRed Hat / RHEL

Fixed in:0:4.18.0-305.186.1.el8_4RHSA-2026:3360

Fixed in:0:4.18.0-193.187.1.el8_2RHSA-2026:3388

kernel-debug-coreRocky

Fixed in:0:4.18.0-193.187.1.el8_2RHSA-2026:3388

Fixed in:0:4.18.0-305.186.1.el8_4RHSA-2026:3360

kernel-debug-debuginfoRed Hat / RHEL

Fixed in:0:4.18.0-193.187.1.el8_2RHSA-2026:3388

Fixed in:0:4.18.0-305.186.1.el8_4RHSA-2026:3360

kernel-debug-debuginfoRocky

Fixed in:0:4.18.0-305.186.1.el8_4RHSA-2026:3360

Fixed in:0:4.18.0-193.187.1.el8_2RHSA-2026:3388

kernel-debug-develRed Hat / RHEL

Fixed in:0:4.18.0-305.186.1.el8_4RHSA-2026:3360

Fixed in:0:4.18.0-193.187.1.el8_2RHSA-2026:3388

kernel-debug-develRocky

Fixed in:0:4.18.0-305.186.1.el8_4RHSA-2026:3360

Fixed in:0:4.18.0-193.187.1.el8_2RHSA-2026:3388

kernel-debug-modulesRocky

Fixed in:0:4.18.0-305.186.1.el8_4RHSA-2026:3360

Fixed in:0:4.18.0-193.187.1.el8_2RHSA-2026:3388

kernel-debug-modulesRed Hat / RHEL

Fixed in:0:4.18.0-193.187.1.el8_2RHSA-2026:3388

Fixed in:0:4.18.0-305.186.1.el8_4RHSA-2026:3360

kernel-debug-modules-extraRocky

Fixed in:0:4.18.0-193.187.1.el8_2RHSA-2026:3388

Fixed in:0:4.18.0-305.186.1.el8_4RHSA-2026:3360

kernel-debug-modules-extraRed Hat / RHEL

Fixed in:0:4.18.0-193.187.1.el8_2RHSA-2026:3388

Fixed in:0:4.18.0-305.186.1.el8_4RHSA-2026:3360

kernel-debuginfoRocky

Fixed in:0:4.18.0-193.187.1.el8_2RHSA-2026:3388

Fixed in:0:4.18.0-305.186.1.el8_4RHSA-2026:3360

kernel-debuginfoRed Hat / RHEL

Fixed in:0:4.18.0-305.186.1.el8_4RHSA-2026:3360

Fixed in:0:4.18.0-193.187.1.el8_2RHSA-2026:3388

kernel-debuginfo-common-x86_64Red Hat / RHEL

Fixed in:0:4.18.0-305.186.1.el8_4RHSA-2026:3360

Fixed in:0:4.18.0-193.187.1.el8_2RHSA-2026:3388

kernel-debuginfo-common-x86_64Rocky

Fixed in:0:4.18.0-305.186.1.el8_4RHSA-2026:3360

Fixed in:0:4.18.0-193.187.1.el8_2RHSA-2026:3388

kernel-develRed Hat / RHEL

Fixed in:0:4.18.0-305.186.1.el8_4RHSA-2026:3360

Fixed in:0:4.18.0-193.187.1.el8_2RHSA-2026:3388

kernel-develRocky

Fixed in:0:4.18.0-305.186.1.el8_4RHSA-2026:3360

Fixed in:0:4.18.0-193.187.1.el8_2RHSA-2026:3388

kernel-docRed Hat / RHEL

Fixed in:0:4.18.0-305.186.1.el8_4RHSA-2026:3360

Fixed in:0:4.18.0-193.187.1.el8_2RHSA-2026:3388

kernel-docRocky

Fixed in:0:4.18.0-305.186.1.el8_4RHSA-2026:3360

Fixed in:0:4.18.0-193.187.1.el8_2RHSA-2026:3388

kernel-modulesRed Hat / RHEL

Fixed in:0:4.18.0-305.186.1.el8_4RHSA-2026:3360

Fixed in:0:4.18.0-193.187.1.el8_2RHSA-2026:3388

kernel-modulesRocky

Fixed in:0:4.18.0-193.187.1.el8_2RHSA-2026:3388

Fixed in:0:4.18.0-305.186.1.el8_4RHSA-2026:3360

kernel-modules-extraRocky

Fixed in:0:4.18.0-193.187.1.el8_2RHSA-2026:3388

Fixed in:0:4.18.0-305.186.1.el8_4RHSA-2026:3360

kernel-modules-extraRed Hat / RHEL

Fixed in:0:4.18.0-305.186.1.el8_4RHSA-2026:3360

Fixed in:0:4.18.0-193.187.1.el8_2RHSA-2026:3388

kernel-toolsRed Hat / RHEL

Fixed in:0:4.18.0-193.187.1.el8_2RHSA-2026:3388

Fixed in:0:4.18.0-305.186.1.el8_4RHSA-2026:3360

kernel-toolsRocky

Fixed in:0:4.18.0-193.187.1.el8_2RHSA-2026:3388

Fixed in:0:4.18.0-305.186.1.el8_4RHSA-2026:3360

kernel-tools-debuginfoRocky

Fixed in:0:4.18.0-193.187.1.el8_2RHSA-2026:3388

Fixed in:0:4.18.0-305.186.1.el8_4RHSA-2026:3360

kernel-tools-debuginfoRed Hat / RHEL

Fixed in:0:4.18.0-193.187.1.el8_2RHSA-2026:3388

Fixed in:0:4.18.0-305.186.1.el8_4RHSA-2026:3360

kernel-tools-libsRocky

Fixed in:0:4.18.0-193.187.1.el8_2RHSA-2026:3388

Fixed in:0:4.18.0-305.186.1.el8_4RHSA-2026:3360

kernel-tools-libsRed Hat / RHEL

Fixed in:0:4.18.0-305.186.1.el8_4RHSA-2026:3360

Fixed in:0:4.18.0-193.187.1.el8_2RHSA-2026:3388

perfRocky

Fixed in:0:4.18.0-193.187.1.el8_2RHSA-2026:3388

Fixed in:0:4.18.0-305.186.1.el8_4RHSA-2026:3360

perfRed Hat / RHEL

Fixed in:0:4.18.0-305.186.1.el8_4RHSA-2026:3360

Fixed in:0:4.18.0-193.187.1.el8_2RHSA-2026:3388

perf-debuginfoRed Hat / RHEL

Fixed in:0:4.18.0-305.186.1.el8_4RHSA-2026:3360

Fixed in:0:4.18.0-193.187.1.el8_2RHSA-2026:3388

perf-debuginfoRocky

Fixed in:0:4.18.0-305.186.1.el8_4RHSA-2026:3360

Fixed in:0:4.18.0-193.187.1.el8_2RHSA-2026:3388

python3-perfRed Hat / RHEL

Fixed in:0:4.18.0-305.186.1.el8_4RHSA-2026:3360

Fixed in:0:4.18.0-193.187.1.el8_2RHSA-2026:3388

python3-perfRocky

Fixed in:0:4.18.0-305.186.1.el8_4RHSA-2026:3360

Fixed in:0:4.18.0-193.187.1.el8_2RHSA-2026:3388

python3-perf-debuginfoRed Hat / RHEL

Fixed in:0:4.18.0-193.187.1.el8_2RHSA-2026:3388

Fixed in:0:4.18.0-305.186.1.el8_4RHSA-2026:3360

python3-perf-debuginfoRocky

Fixed in:0:4.18.0-305.186.1.el8_4RHSA-2026:3360

Fixed in:0:4.18.0-193.187.1.el8_2RHSA-2026:3388

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3.1 Vector

No CVSS vector data available.

Exploit Intelligence

0.22%probability of exploitation in 30 days

12thpercentile

Low risk: more likely to be exploited than 12% of all known CVEs.

References

Other references8

Embed a live status badge for CVE-2023-53827

Markdown

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-12-09.