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Vulnerability · Published Dec 24, 2025 · Assigned by Linux

CVE-2023-54131wifi: rt2x00: Fix memory leak when handling surveys

Unrated

In plain English

A 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 11% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS )–Not rated
Exploit odds (30 days)0.2%top 89.0% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

In the Linux kernel, the following vulnerability has been resolved: wifi: rt2x00: Fix memory leak when handling surveys When removing a rt2x00 device, its associated channel surveys are not freed, causing a memory leak observable with kmemleak: unreferenced object 0xffff9620f0881a00 (size 512): comm "systemd-udevd", pid 2290, jiffies 4294906974 (age 33.768s) hex dump (first 32 bytes): 70 44 12 00 00 00 00 00 92 8a 00 00 00 00 00 00 pD.............. 00 00 00 00 00 00 00 00 ab 87 01 00 00 00 00 00 ................ backtrace: [<ffffffffb0ed858b>] __kmalloc+0x4b/0x130 [<ffffffffc1b0f29b>] rt2800_probe_hw+0xc2b/0x1380 [rt2800lib] [<ffffffffc1a9496e>] rt2800usb_probe_hw+0xe/0x60 [rt2800usb] [<ffffffffc1ae491a>] rt2x00lib_probe_dev+0x21a/0x7d0 [rt2x00lib] [<ffffffffc1b3b83e>] rt2x00usb_probe+0x1be/0x980 [rt2x00usb] [<ffffffffc05981e2>] usb_probe_interface+0xe2/0x310 [usbcore] [<ffffffffb13be2d5>] really_probe+0x1a5/0x410 [<ffffffffb13be5c8>] __driver_probe_device+0x78/0x180 [<ffffffffb13be6fe>] driver_probe_device+0x1e/0x90 [<ffffffffb13be972>] __driver_attach+0xd2/0x1c0 [<ffffffffb13bbc57>] bus_for_each_dev+0x77/0xd0 [<ffffffffb13bd2a2>] bus_add_driver+0x112/0x210 [<ffffffffb13bfc6c>] driver_register+0x5c/0x120 [<ffffffffc0596ae8>] usb_register_driver+0x88/0x150 [usbcore] [<ffffffffb0c011c4>] do_one_initcall+0x44/0x220 [<ffffffffb0d6134c>] do_init_module+0x4c/0x220 Fix this by freeing the channel surveys on device removal. Tested with a RT3070 based USB wireless adapter.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12linux6.1.37-1DEBIAN-CVE-2023-54131
Debian:13linux6.3.7-1DEBIAN-CVE-2023-54131
Debian:14linux6.3.7-1DEBIAN-CVE-2023-54131
Ubuntu:22.04:LTSlinux5.15.0-79.86UBUNTU-CVE-2023-54131
Ubuntu:22.04:LTSlinux-allwinner-5.19no fix listedUBUNTU-CVE-2023-54131
Ubuntu:22.04:LTSlinux-aws5.15.0-1042.47UBUNTU-CVE-2023-54131
Ubuntu:22.04:LTSlinux-aws-5.19no fix listedUBUNTU-CVE-2023-54131
Ubuntu:22.04:LTSlinux-aws-6.2no fix listedUBUNTU-CVE-2023-54131
Ubuntu:22.04:LTSlinux-aws-6.5no fix listedUBUNTU-CVE-2023-54131
Ubuntu:22.04:LTSlinux-azure5.15.0-1045.52UBUNTU-CVE-2023-54131
Ubuntu:22.04:LTSlinux-azure-5.19no fix listedUBUNTU-CVE-2023-54131
Ubuntu:24.04:LTSlinux-azure-6.11no fix listedUBUNTU-CVE-2023-54131
Ubuntu:22.04:LTSlinux-azure-6.2no fix listedUBUNTU-CVE-2023-54131
Ubuntu:22.04:LTSlinux-azure-6.5no fix listedUBUNTU-CVE-2023-54131
Ubuntu:22.04:LTSlinux-azure-fde5.15.0-1045.52.1UBUNTU-CVE-2023-54131
Ubuntu:22.04:LTSlinux-azure-fde-5.19no fix listedUBUNTU-CVE-2023-54131
Ubuntu:22.04:LTSlinux-azure-fde-6.2no fix listedUBUNTU-CVE-2023-54131
Ubuntu:22.04:LTSlinux-gcp5.15.0-1039.47UBUNTU-CVE-2023-54131
Ubuntu:22.04:LTSlinux-gcp-5.19no fix listedUBUNTU-CVE-2023-54131
Ubuntu:24.04:LTSlinux-gcp-6.11no fix listedUBUNTU-CVE-2023-54131
Ubuntu:22.04:LTSlinux-gcp-6.2no fix listedUBUNTU-CVE-2023-54131
Ubuntu:22.04:LTSlinux-gcp-6.5no fix listedUBUNTU-CVE-2023-54131
Ubuntu:22.04:LTSlinux-gke5.15.0-1039.44UBUNTU-CVE-2023-54131
Ubuntu:22.04:LTSlinux-gkeop5.15.0-1025.30UBUNTU-CVE-2023-54131
Ubuntu:22.04:LTSlinux-hwe-5.19no fix listedUBUNTU-CVE-2023-54131
Ubuntu:24.04:LTSlinux-hwe-6.11no fix listedUBUNTU-CVE-2023-54131
Ubuntu:22.04:LTSlinux-hwe-6.2no fix listedUBUNTU-CVE-2023-54131
Ubuntu:22.04:LTSlinux-hwe-6.5no fix listedUBUNTU-CVE-2023-54131
Ubuntu:22.04:LTSlinux-ibm5.15.0-1035.38UBUNTU-CVE-2023-54131
Ubuntu:22.04:LTSlinux-intel-iot-realtimeno fix listedUBUNTU-CVE-2023-54131
Ubuntu:22.04:LTSlinux-intel-iotg5.15.0-1037.42UBUNTU-CVE-2023-54131
Ubuntu:22.04:LTSlinux-kvm5.15.0-1039.44UBUNTU-CVE-2023-54131
Ubuntu:22.04:LTSlinux-lowlatency5.15.0-79.88UBUNTU-CVE-2023-54131
Ubuntu:22.04:LTSlinux-lowlatency-hwe-5.19no fix listedUBUNTU-CVE-2023-54131
Ubuntu:24.04:LTSlinux-lowlatency-hwe-6.11no fix listedUBUNTU-CVE-2023-54131
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.2no fix listedUBUNTU-CVE-2023-54131
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.5no fix listedUBUNTU-CVE-2023-54131
Ubuntu:22.04:LTSlinux-nvidia5.15.0-1030.30UBUNTU-CVE-2023-54131
Ubuntu:24.04:LTSlinux-nvidia-6.11no fix listedUBUNTU-CVE-2023-54131
Ubuntu:22.04:LTSlinux-nvidia-6.2no fix listedUBUNTU-CVE-2023-54131
Ubuntu:22.04:LTSlinux-nvidia-6.5no fix listedUBUNTU-CVE-2023-54131
Ubuntu:22.04:LTSlinux-nvidia-tegra5.15.0-1016.16UBUNTU-CVE-2023-54131
Ubuntu:22.04:LTSlinux-nvidia-tegra-igx5.15.0-1002.2UBUNTU-CVE-2023-54131
Ubuntu:22.04:LTSlinux-oem-5.17no fix listedUBUNTU-CVE-2023-54131
Ubuntu:22.04:LTSlinux-oem-6.0no fix listedUBUNTU-CVE-2023-54131
Ubuntu:22.04:LTSlinux-oem-6.1no fix listedUBUNTU-CVE-2023-54131
Ubuntu:24.04:LTSlinux-oem-6.11no fix listedUBUNTU-CVE-2023-54131
Ubuntu:22.04:LTSlinux-oem-6.5no fix listedUBUNTU-CVE-2023-54131
Ubuntu:24.04:LTSlinux-oem-6.8no fix listedUBUNTU-CVE-2023-54131
Ubuntu:22.04:LTSlinux-oracle5.15.0-1040.46UBUNTU-CVE-2023-54131
Ubuntu:22.04:LTSlinux-oracle-6.5no fix listedUBUNTU-CVE-2023-54131
Ubuntu:22.04:LTSlinux-raspi5.15.0-1035.38UBUNTU-CVE-2023-54131
Ubuntu:24.04:LTSlinux-raspi-realtimeno fix listedUBUNTU-CVE-2023-54131
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2023-54131
Ubuntu:24.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2023-54131
Ubuntu:22.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2023-54131
Ubuntu:24.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2023-54131
Ubuntu:22.04:LTSlinux-riscv-5.19no fix listedUBUNTU-CVE-2023-54131
Ubuntu:24.04:LTSlinux-riscv-6.14no fix listedUBUNTU-CVE-2023-54131
Ubuntu:22.04:LTSlinux-riscv-6.5no fix listedUBUNTU-CVE-2023-54131
Ubuntu:22.04:LTSlinux-starfive-5.19no fix listedUBUNTU-CVE-2023-54131
Ubuntu:22.04:LTSlinux-starfive-6.2no fix listedUBUNTU-CVE-2023-54131
Ubuntu:22.04:LTSlinux-starfive-6.5no fix listedUBUNTU-CVE-2023-54131
Ubuntu:22.04:LTSlinux-xilinx-zynqmp5.15.0-1025.29UBUNTU-CVE-2023-54131

Affected products (as reported)

VendorProductVersions
Linux Linux 5447626910f5b8d964761ed4fa4feaf1a3ac47d0 – before eb77c0c0a17c53d83b5fe8e46490fb0a7ed9e6af5447626910f5b8d964761ed4fa4feaf1a3ac47d0 – before bea3f8aa999318bdffa2d17753e492f76904f0ce5447626910f5b8d964761ed4fa4feaf1a3ac47d0 – before 494064ffd60d044c097d514917c40913d1affbca5447626910f5b8d964761ed4fa4feaf1a3ac47d0 – before 0354bce76ed1d775904acdb4cc0bf88c5b9b5b9f5447626910f5b8d964761ed4fa4feaf1a3ac47d0 – before cbef9a83c51dfcb07f77cfa6ac26f53a1ea86f49
Linux Linux 5.11

References