CVE-2023-54015Signal Handler Race Condition in Linux

Severity
5.7MEDIUM
No vector
EPSS
0.0%
top 89.30%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedDec 24

Description

In the Linux kernel, the following vulnerability has been resolved: net/mlx5: Devcom, fix error flow in mlx5_devcom_register_device In case devcom allocation is failed, mlx5 is always freeing the priv. However, this priv might have been allocated by a different thread, and freeing it might lead to use-after-free bugs. Fix it by freeing the priv only in case it was allocated by the running thread.

Affected Packages4 packages

Linuxlinux/linux_kernel5.0.05.4.244+4
Debianlinux/linux_kernel< 5.10.191-1+3
CVEListV5linux/linuxfadd59fc50d010145f251db583c7ccef37393d193dfc1004d9afbf689087ae1eafd88f55481984c7+6
debiandebian/linux< linux 6.1.37-1 (bookworm)

🔴Vulnerability Details

3
GHSA
GHSA-mx7v-5j4q-68wr: In the Linux kernel, the following vulnerability has been resolved: net/mlx5: Devcom, fix error flow in mlx5_devcom_register_device In case devcom a2025-12-24
OSV
CVE-2023-54015: In the Linux kernel, the following vulnerability has been resolved: net/mlx5: Devcom, fix error flow in mlx5_devcom_register_device In case devcom all2025-12-24
OSV
net/mlx5: Devcom, fix error flow in mlx5_devcom_register_device2025-12-24

📋Vendor Advisories

2
Red Hat
kernel: net/mlx5: Devcom, fix error flow in mlx5_devcom_register_device2025-12-24
Debian
CVE-2023-54015: linux - In the Linux kernel, the following vulnerability has been resolved: net/mlx5: D...2023

🕵️Threat Intelligence

1
Wiz
CVE-2023-54015 Impact, Exploitability, and Mitigation Steps | Wiz