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Vulnerability · Published Oct 1, 2025 · Assigned by Linux

CVE-2023-53488IB/hfi1: Fix possible panic during hotplug remove

Medium 5.5

In plain English

A medium-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 5% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)5.5Medium
Exploit odds (30 days)0.2%top 94.8% 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: IB/hfi1: Fix possible panic during hotplug remove During hotplug remove it is possible that the update counters work might be pending, and may run after memory has been freed. Cancel the update counters work before freeing memory.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12linux6.1.52-1DEBIAN-CVE-2023-53488
Debian:13linux6.4.11-1DEBIAN-CVE-2023-53488
Debian:14linux6.4.11-1DEBIAN-CVE-2023-53488
Ubuntu:22.04:LTSlinux5.15.0-91.101UBUNTU-CVE-2023-53488
Ubuntu:22.04:LTSlinux-allwinner-5.19no fix listedUBUNTU-CVE-2023-53488
Ubuntu:22.04:LTSlinux-aws5.15.0-1051.56UBUNTU-CVE-2023-53488
Ubuntu:22.04:LTSlinux-aws-5.19no fix listedUBUNTU-CVE-2023-53488
Ubuntu:22.04:LTSlinux-aws-6.2no fix listedUBUNTU-CVE-2023-53488
Ubuntu:22.04:LTSlinux-aws-6.5no fix listedUBUNTU-CVE-2023-53488
Ubuntu:22.04:LTSlinux-azure5.15.0-1053.61UBUNTU-CVE-2023-53488
Ubuntu:22.04:LTSlinux-azure-5.19no fix listedUBUNTU-CVE-2023-53488
Ubuntu:24.04:LTSlinux-azure-6.11no fix listedUBUNTU-CVE-2023-53488
Ubuntu:22.04:LTSlinux-azure-6.2no fix listedUBUNTU-CVE-2023-53488
Ubuntu:22.04:LTSlinux-azure-6.5no fix listedUBUNTU-CVE-2023-53488
Ubuntu:22.04:LTSlinux-azure-fde5.15.0-1053.61.1UBUNTU-CVE-2023-53488
Ubuntu:22.04:LTSlinux-azure-fde-5.19no fix listedUBUNTU-CVE-2023-53488
Ubuntu:22.04:LTSlinux-azure-fde-6.2no fix listedUBUNTU-CVE-2023-53488
Ubuntu:22.04:LTSlinux-gcp5.15.0-1048.56UBUNTU-CVE-2023-53488
Ubuntu:22.04:LTSlinux-gcp-5.19no fix listedUBUNTU-CVE-2023-53488
Ubuntu:24.04:LTSlinux-gcp-6.11no fix listedUBUNTU-CVE-2023-53488
Ubuntu:22.04:LTSlinux-gcp-6.2no fix listedUBUNTU-CVE-2023-53488
Ubuntu:22.04:LTSlinux-gcp-6.5no fix listedUBUNTU-CVE-2023-53488
Ubuntu:22.04:LTSlinux-gke5.15.0-1048.53UBUNTU-CVE-2023-53488
Ubuntu:22.04:LTSlinux-gkeop5.15.0-1034.40UBUNTU-CVE-2023-53488
Ubuntu:22.04:LTSlinux-hwe-5.19no fix listedUBUNTU-CVE-2023-53488
Ubuntu:24.04:LTSlinux-hwe-6.11no fix listedUBUNTU-CVE-2023-53488
Ubuntu:22.04:LTSlinux-hwe-6.2no fix listedUBUNTU-CVE-2023-53488
Ubuntu:22.04:LTSlinux-hwe-6.5no fix listedUBUNTU-CVE-2023-53488
Ubuntu:22.04:LTSlinux-ibm5.15.0-1044.47UBUNTU-CVE-2023-53488
Ubuntu:24.04:LTSlinux-intelno fix listedUBUNTU-CVE-2023-53488
Ubuntu:22.04:LTSlinux-intel-iot-realtimeno fix listedUBUNTU-CVE-2023-53488
Ubuntu:22.04:LTSlinux-intel-iotg5.15.0-1046.52UBUNTU-CVE-2023-53488
Ubuntu:22.04:LTSlinux-kvm5.15.0-1048.53UBUNTU-CVE-2023-53488
Ubuntu:22.04:LTSlinux-lowlatency5.15.0-91.101UBUNTU-CVE-2023-53488
Ubuntu:22.04:LTSlinux-lowlatency-hwe-5.19no fix listedUBUNTU-CVE-2023-53488
Ubuntu:24.04:LTSlinux-lowlatency-hwe-6.11no fix listedUBUNTU-CVE-2023-53488
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.2no fix listedUBUNTU-CVE-2023-53488
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.5no fix listedUBUNTU-CVE-2023-53488
Ubuntu:22.04:LTSlinux-nvidia5.15.0-1042.42UBUNTU-CVE-2023-53488
Ubuntu:22.04:LTSlinux-nvidia-6.2no fix listedUBUNTU-CVE-2023-53488
Ubuntu:22.04:LTSlinux-nvidia-6.5no fix listedUBUNTU-CVE-2023-53488
Ubuntu:22.04:LTSlinux-nvidia-tegra5.15.0-1020.20UBUNTU-CVE-2023-53488
Ubuntu:22.04:LTSlinux-nvidia-tegra-igx5.15.0-1007.7UBUNTU-CVE-2023-53488
Ubuntu:22.04:LTSlinux-oem-5.17no fix listedUBUNTU-CVE-2023-53488
Ubuntu:22.04:LTSlinux-oem-6.0no fix listedUBUNTU-CVE-2023-53488
Ubuntu:22.04:LTSlinux-oem-6.1no fix listedUBUNTU-CVE-2023-53488
Ubuntu:24.04:LTSlinux-oem-6.11no fix listedUBUNTU-CVE-2023-53488
Ubuntu:22.04:LTSlinux-oem-6.5no fix listedUBUNTU-CVE-2023-53488
Ubuntu:24.04:LTSlinux-oem-6.8no fix listedUBUNTU-CVE-2023-53488
Ubuntu:22.04:LTSlinux-oracle5.15.0-1049.55UBUNTU-CVE-2023-53488
Ubuntu:22.04:LTSlinux-oracle-6.5no fix listedUBUNTU-CVE-2023-53488
Ubuntu:22.04:LTSlinux-raspi5.15.0-1044.47UBUNTU-CVE-2023-53488
Ubuntu:24.04:LTSlinux-raspi-realtimeno fix listedUBUNTU-CVE-2023-53488
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2023-53488
Ubuntu:24.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2023-53488
Ubuntu:22.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2023-53488
Ubuntu:24.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2023-53488
Ubuntu:22.04:LTSlinux-riscv-5.19no fix listedUBUNTU-CVE-2023-53488
Ubuntu:22.04:LTSlinux-riscv-6.5no fix listedUBUNTU-CVE-2023-53488
Ubuntu:22.04:LTSlinux-starfive-5.19no fix listedUBUNTU-CVE-2023-53488
Ubuntu:22.04:LTSlinux-starfive-6.2no fix listedUBUNTU-CVE-2023-53488
Ubuntu:22.04:LTSlinux-starfive-6.5no fix listedUBUNTU-CVE-2023-53488
Ubuntu:22.04:LTSlinux-xilinx-zynqmp5.15.0-1027.31UBUNTU-CVE-2023-53488

Affected products (as reported)

VendorProductVersions
Linux Linux 7724105686e718ac476a6ad3304fea2fbcfcffde – before 5e72f33ddfdb69cb21c1b59d31bbd3498d31b14a7724105686e718ac476a6ad3304fea2fbcfcffde – before bfd727ad8411995218f336ead9f2becfde7f3a897724105686e718ac476a6ad3304fea2fbcfcffde – before c2145b18740c7e697748e4005ce93a5c683c86a87724105686e718ac476a6ad3304fea2fbcfcffde – before 33c677d1e087e437c7dcaad8d73402cf6add282e7724105686e718ac476a6ad3304fea2fbcfcffde – before 918c1e6843b7e81d0e5cf7994f41f28dc34c98b07724105686e718ac476a6ad3304fea2fbcfcffde – before ac6640f4193d0f5b44269a7f08372909f9a18e5c7724105686e718ac476a6ad3304fea2fbcfcffde – before d32a5e9b825d40c08a43dfbcba007159fed41a5d7724105686e718ac476a6ad3304fea2fbcfcffde – before 4fdfaef71fced490835145631a795497646f4555
Linux Linux 4.3

References