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Vulnerability · Published Oct 1, 2025 · Assigned by Linux

CVE-2023-53507net/mlx5: Unregister devlink params in case interface is down

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

Severity (CVSS NVD)7.8High
Exploit odds (30 days)0.2%top 95.1% 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: net/mlx5: Unregister devlink params in case interface is down Currently, in case an interface is down, mlx5 driver doesn't unregister its devlink params, which leads to this WARN[1]. Fix it by unregistering devlink params in that case as well. [1] [ 295.244769 ] WARNING: CPU: 15 PID: 1 at net/core/devlink.c:9042 devlink_free+0x174/0x1fc [ 295.488379 ] CPU: 15 PID: 1 Comm: shutdown Tainted: G S OE 5.15.0-1017.19.3.g0677e61-bluefield #g0677e61 [ 295.509330 ] Hardware name: https://www.mellanox.com BlueField SoC/BlueField SoC, BIOS 4.2.0.12761 Jun 6 2023 [ 295.543096 ] pc : devlink_free+0x174/0x1fc [ 295.551104 ] lr : mlx5_devlink_free+0x18/0x2c [mlx5_core] [ 295.561816 ] sp : ffff80000809b850 [ 295.711155 ] Call trace: [ 295.716030 ] devlink_free+0x174/0x1fc [ 295.723346 ] mlx5_devlink_free+0x18/0x2c [mlx5_core] [ 295.733351 ] mlx5_sf_dev_remove+0x98/0xb0 [mlx5_core] [ 295.743534 ] auxiliary_bus_remove+0x2c/0x50 [ 295.751893 ] __device_release_driver+0x19c/0x280 [ 295.761120 ] device_release_driver+0x34/0x50 [ 295.769649 ] bus_remove_device+0xdc/0x170 [ 295.777656 ] device_del+0x17c/0x3a4 [ 295.784620 ] mlx5_sf_dev_remove+0x28/0xf0 [mlx5_core] [ 295.794800 ] mlx5_sf_dev_table_destroy+0x98/0x110 [mlx5_core] [ 295.806375 ] mlx5_unload+0x34/0xd0 [mlx5_core] [ 295.815339 ] mlx5_unload_one+0x70/0xe4 [mlx5_core] [ 295.824998 ] shutdown+0xb0/0xd8 [mlx5_core] [ 295.833439 ] pci_device_shutdown+0x3c/0xa0 [ 295.841651 ] device_shutdown+0x170/0x340 [ 295.849486 ] __do_sys_reboot+0x1f4/0x2a0 [ 295.857322 ] __arm64_sys_reboot+0x2c/0x40 [ 295.865329 ] invoke_syscall+0x78/0x100 [ 295.872817 ] el0_svc_common.constprop.0+0x54/0x184 [ 295.882392 ] do_el0_svc+0x30/0xac [ 295.889008 ] el0_svc+0x48/0x160 [ 295.895278 ] el0t_64_sync_handler+0xa4/0x130 [ 295.903807 ] el0t_64_sync+0x1a4/0x1a8 [ 295.911120 ] ---[ end trace 4f1d2381d00d9dce ]---

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:13linux6.4.11-1DEBIAN-CVE-2023-53507
Debian:14linux6.4.11-1DEBIAN-CVE-2023-53507
Ubuntu:22.04:LTSlinux-allwinner-5.19no fix listedUBUNTU-CVE-2023-53507
Ubuntu:22.04:LTSlinux-aws-5.19no fix listedUBUNTU-CVE-2023-53507
Ubuntu:22.04:LTSlinux-aws-6.2no fix listedUBUNTU-CVE-2023-53507
Ubuntu:22.04:LTSlinux-aws-6.5no fix listedUBUNTU-CVE-2023-53507
Ubuntu:22.04:LTSlinux-azure-5.19no fix listedUBUNTU-CVE-2023-53507
Ubuntu:24.04:LTSlinux-azure-6.11no fix listedUBUNTU-CVE-2023-53507
Ubuntu:22.04:LTSlinux-azure-6.2no fix listedUBUNTU-CVE-2023-53507
Ubuntu:22.04:LTSlinux-azure-6.5no fix listedUBUNTU-CVE-2023-53507
Ubuntu:22.04:LTSlinux-azure-fde-5.19no fix listedUBUNTU-CVE-2023-53507
Ubuntu:22.04:LTSlinux-azure-fde-6.2no fix listedUBUNTU-CVE-2023-53507
Ubuntu:22.04:LTSlinux-gcp-5.19no fix listedUBUNTU-CVE-2023-53507
Ubuntu:24.04:LTSlinux-gcp-6.11no fix listedUBUNTU-CVE-2023-53507
Ubuntu:22.04:LTSlinux-gcp-6.2no fix listedUBUNTU-CVE-2023-53507
Ubuntu:22.04:LTSlinux-gcp-6.5no fix listedUBUNTU-CVE-2023-53507
Ubuntu:22.04:LTSlinux-hwe-5.19no fix listedUBUNTU-CVE-2023-53507
Ubuntu:24.04:LTSlinux-hwe-6.11no fix listedUBUNTU-CVE-2023-53507
Ubuntu:22.04:LTSlinux-hwe-6.2no fix listedUBUNTU-CVE-2023-53507
Ubuntu:22.04:LTSlinux-hwe-6.5no fix listedUBUNTU-CVE-2023-53507
Ubuntu:24.04:LTSlinux-intelno fix listedUBUNTU-CVE-2023-53507
Ubuntu:22.04:LTSlinux-intel-iot-realtimeno fix listedUBUNTU-CVE-2023-53507
Ubuntu:22.04:LTSlinux-lowlatency-hwe-5.19no fix listedUBUNTU-CVE-2023-53507
Ubuntu:24.04:LTSlinux-lowlatency-hwe-6.11no fix listedUBUNTU-CVE-2023-53507
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.2no fix listedUBUNTU-CVE-2023-53507
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.5no fix listedUBUNTU-CVE-2023-53507
Ubuntu:22.04:LTSlinux-nvidia-6.2no fix listedUBUNTU-CVE-2023-53507
Ubuntu:22.04:LTSlinux-nvidia-6.5no fix listedUBUNTU-CVE-2023-53507
Ubuntu:22.04:LTSlinux-oem-5.17no fix listedUBUNTU-CVE-2023-53507
Ubuntu:22.04:LTSlinux-oem-6.0no fix listedUBUNTU-CVE-2023-53507
Ubuntu:22.04:LTSlinux-oem-6.1no fix listedUBUNTU-CVE-2023-53507
Ubuntu:24.04:LTSlinux-oem-6.11no fix listedUBUNTU-CVE-2023-53507
Ubuntu:22.04:LTSlinux-oem-6.5no fix listedUBUNTU-CVE-2023-53507
Ubuntu:24.04:LTSlinux-oem-6.8no fix listedUBUNTU-CVE-2023-53507
Ubuntu:22.04:LTSlinux-oracle-6.5no fix listedUBUNTU-CVE-2023-53507
Ubuntu:24.04:LTSlinux-raspi-realtimeno fix listedUBUNTU-CVE-2023-53507
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2023-53507
Ubuntu:24.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2023-53507
Ubuntu:22.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2023-53507
Ubuntu:24.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2023-53507
Ubuntu:22.04:LTSlinux-riscv-5.19no fix listedUBUNTU-CVE-2023-53507
Ubuntu:22.04:LTSlinux-riscv-6.5no fix listedUBUNTU-CVE-2023-53507
Ubuntu:22.04:LTSlinux-starfive-5.19no fix listedUBUNTU-CVE-2023-53507
Ubuntu:22.04:LTSlinux-starfive-6.2no fix listedUBUNTU-CVE-2023-53507
Ubuntu:22.04:LTSlinux-starfive-6.5no fix listedUBUNTU-CVE-2023-53507

Affected products (as reported)

VendorProductVersions
Linux Linux fe578cbb2f053f465e19d2671a523dcd01953888 – before 471f59b3455314f0cafacf3096453727876355a9fe578cbb2f053f465e19d2671a523dcd01953888 – before 53d737dfd3d7b023fa9fa445ea3f3db0ac9da402
Linux Linux 6.4

References