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Vulnerability · Published Dec 24, 2025 · Assigned by Linux

CVE-2023-54088blk-cgroup: hold queue_lock when removing blkg->q_node

High 7.8

In plain English

A high-severity security flaw in Linux from Linux. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 6% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)7.8High
Exploit odds (30 days)0.2%top 94.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

In the Linux kernel, the following vulnerability has been resolved: blk-cgroup: hold queue_lock when removing blkg->q_node When blkg is removed from q->blkg_list from blkg_free_workfn(), queue_lock has to be held, otherwise, all kinds of bugs(list corruption, hard lockup, ..) can be triggered from blkg_destroy_all().

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12linuxno fix listedDEBIAN-CVE-2023-54088
Debian:13linux6.4.13-1DEBIAN-CVE-2023-54088
Debian:14linux6.4.13-1DEBIAN-CVE-2023-54088
Ubuntu:22.04:LTSlinuxno fix listedUBUNTU-CVE-2023-54088
Ubuntu:22.04:LTSlinux-allwinner-5.19no fix listedUBUNTU-CVE-2023-54088
Ubuntu:22.04:LTSlinux-awsno fix listedUBUNTU-CVE-2023-54088
Ubuntu:22.04:LTSlinux-aws-5.19no fix listedUBUNTU-CVE-2023-54088
Ubuntu:22.04:LTSlinux-aws-6.2no fix listedUBUNTU-CVE-2023-54088
Ubuntu:22.04:LTSlinux-aws-6.5no fix listedUBUNTU-CVE-2023-54088
Ubuntu:22.04:LTSlinux-azureno fix listedUBUNTU-CVE-2023-54088
Ubuntu:22.04:LTSlinux-azure-5.19no fix listedUBUNTU-CVE-2023-54088
Ubuntu:24.04:LTSlinux-azure-6.11no fix listedUBUNTU-CVE-2023-54088
Ubuntu:22.04:LTSlinux-azure-6.2no fix listedUBUNTU-CVE-2023-54088
Ubuntu:22.04:LTSlinux-azure-6.5no fix listedUBUNTU-CVE-2023-54088
Ubuntu:22.04:LTSlinux-azure-fdeno fix listedUBUNTU-CVE-2023-54088
Ubuntu:22.04:LTSlinux-azure-fde-5.19no fix listedUBUNTU-CVE-2023-54088
Ubuntu:22.04:LTSlinux-azure-fde-6.2no fix listedUBUNTU-CVE-2023-54088
Ubuntu:22.04:LTSlinux-gcpno fix listedUBUNTU-CVE-2023-54088
Ubuntu:22.04:LTSlinux-gcp-5.19no fix listedUBUNTU-CVE-2023-54088
Ubuntu:24.04:LTSlinux-gcp-6.11no fix listedUBUNTU-CVE-2023-54088
Ubuntu:22.04:LTSlinux-gcp-6.2no fix listedUBUNTU-CVE-2023-54088
Ubuntu:22.04:LTSlinux-gcp-6.5no fix listedUBUNTU-CVE-2023-54088
Ubuntu:22.04:LTSlinux-gkeno fix listedUBUNTU-CVE-2023-54088
Ubuntu:22.04:LTSlinux-gkeopno fix listedUBUNTU-CVE-2023-54088
Ubuntu:22.04:LTSlinux-hwe-5.19no fix listedUBUNTU-CVE-2023-54088
Ubuntu:24.04:LTSlinux-hwe-6.11no fix listedUBUNTU-CVE-2023-54088
Ubuntu:22.04:LTSlinux-hwe-6.2no fix listedUBUNTU-CVE-2023-54088
Ubuntu:22.04:LTSlinux-hwe-6.5no fix listedUBUNTU-CVE-2023-54088
Ubuntu:22.04:LTSlinux-ibmno fix listedUBUNTU-CVE-2023-54088
Ubuntu:22.04:LTSlinux-intel-iot-realtimeno fix listedUBUNTU-CVE-2023-54088
Ubuntu:22.04:LTSlinux-intel-iotgno fix listedUBUNTU-CVE-2023-54088
Ubuntu:22.04:LTSlinux-kvmno fix listedUBUNTU-CVE-2023-54088
Ubuntu:22.04:LTSlinux-lowlatencyno fix listedUBUNTU-CVE-2023-54088
Ubuntu:22.04:LTSlinux-lowlatency-hwe-5.19no fix listedUBUNTU-CVE-2023-54088
Ubuntu:24.04:LTSlinux-lowlatency-hwe-6.11no fix listedUBUNTU-CVE-2023-54088
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.2no fix listedUBUNTU-CVE-2023-54088
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.5no fix listedUBUNTU-CVE-2023-54088
Ubuntu:22.04:LTSlinux-nvidiano fix listedUBUNTU-CVE-2023-54088
Ubuntu:24.04:LTSlinux-nvidia-6.11no fix listedUBUNTU-CVE-2023-54088
Ubuntu:22.04:LTSlinux-nvidia-6.2no fix listedUBUNTU-CVE-2023-54088
Ubuntu:22.04:LTSlinux-nvidia-6.5no fix listedUBUNTU-CVE-2023-54088
Ubuntu:22.04:LTSlinux-nvidia-tegrano fix listedUBUNTU-CVE-2023-54088
Ubuntu:22.04:LTSlinux-nvidia-tegra-igxno fix listedUBUNTU-CVE-2023-54088
Ubuntu:22.04:LTSlinux-oem-5.17no fix listedUBUNTU-CVE-2023-54088
Ubuntu:22.04:LTSlinux-oem-6.0no fix listedUBUNTU-CVE-2023-54088
Ubuntu:22.04:LTSlinux-oem-6.1no fix listedUBUNTU-CVE-2023-54088
Ubuntu:24.04:LTSlinux-oem-6.11no fix listedUBUNTU-CVE-2023-54088
Ubuntu:22.04:LTSlinux-oem-6.5no fix listedUBUNTU-CVE-2023-54088
Ubuntu:24.04:LTSlinux-oem-6.8no fix listedUBUNTU-CVE-2023-54088
Ubuntu:22.04:LTSlinux-oracleno fix listedUBUNTU-CVE-2023-54088
Ubuntu:22.04:LTSlinux-oracle-6.5no fix listedUBUNTU-CVE-2023-54088
Ubuntu:22.04:LTSlinux-raspino fix listedUBUNTU-CVE-2023-54088
Ubuntu:24.04:LTSlinux-raspi-realtimeno fix listedUBUNTU-CVE-2023-54088
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2023-54088
Ubuntu:24.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2023-54088
Ubuntu:22.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2023-54088
Ubuntu:24.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2023-54088
Ubuntu:22.04:LTSlinux-riscv-5.19no fix listedUBUNTU-CVE-2023-54088
Ubuntu:24.04:LTSlinux-riscv-6.14no fix listedUBUNTU-CVE-2023-54088
Ubuntu:22.04:LTSlinux-riscv-6.5no fix listedUBUNTU-CVE-2023-54088
Ubuntu:22.04:LTSlinux-starfive-5.19no fix listedUBUNTU-CVE-2023-54088
Ubuntu:22.04:LTSlinux-starfive-6.2no fix listedUBUNTU-CVE-2023-54088
Ubuntu:22.04:LTSlinux-starfive-6.5no fix listedUBUNTU-CVE-2023-54088
Ubuntu:22.04:LTSlinux-xilinx-zynqmpno fix listedUBUNTU-CVE-2023-54088

Affected products (as reported)

VendorProductVersions
Linux Linux 81c1188905f88b77743d1fdeeedfc8cb7b67787d – before b5dae1cd0d8368b4338430ff93403df67f0b8bccbfe46d2efe46c5c952f982e2ca94fe2ec5e58e2a – before 083b58373463a6e5ee60ecb135269348f68ad7dff1c006f1c6850c14040f8337753a63119bba39b9 – before cd4ffdf56791eec95af01f06bee1ec7665ca75c4f1c006f1c6850c14040f8337753a63119bba39b9 – before c164c7bc9775be7bcc68754bb3431fce5823822e6.1.16 – before 6.1.176.2.3 – before 6.2.4
Linux Linux 6.3

References