CVE-2023-52985

MEDIUM

Linux Kernel 5.18-6.1.10 - Denial of Service via FEC Driver PHY Power-Down Attempt

Title source: llm
STIX 2.1

Description

In the Linux kernel, the following vulnerability has been resolved: arm64: dts: imx8mm-verdin: Do not power down eth-phy Currently if suspending using either freeze or memory state, the fec driver tries to power down the phy which leads to crash of the kernel and non-responsible kernel with the following call trace: [ 24.839889 ] Call trace: [ 24.839892 ] phy_error+0x18/0x60 [ 24.839898 ] kszphy_handle_interrupt+0x6c/0x80 [ 24.839903 ] phy_interrupt+0x20/0x2c [ 24.839909 ] irq_thread_fn+0x30/0xa0 [ 24.839919 ] irq_thread+0x178/0x2c0 [ 24.839925 ] kthread+0x154/0x160 [ 24.839932 ] ret_from_fork+0x10/0x20 Since there is currently no functionality in the phy subsystem to power down phys let's just disable the feature of powering-down the ethernet phy.

Scores

CVSS v3 5.5
EPSS 0.0021
EPSS Percentile 11.2%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Details

Status published
Products (9)
linux/Kernel 5.18.0 - 6.1.11linux
Linux/Linux < 5.18
Linux/Linux 5.18
Linux/Linux 6.1.11 - 6.1.*
Linux/Linux 6.2
Linux/Linux 6a57f224f7346c8d23596f2ef1ce360669926f54 - 0bdd5a7b517f16fdffc444be6516c45788548d08
Linux/Linux 6a57f224f7346c8d23596f2ef1ce360669926f54 - 39c95d0c357d7ef76aea958c1bece6b24f9b2e7e
linux/linux_kernel 6.2 rc1 (6 CPE variants)
linux/linux_kernel 5.18 - 6.1.11
Published Mar 27, 2025
Tracked Since Feb 18, 2026