#VU104489 Use-after-free in Linux kernel - CVE-2022-49182
Published: February 26, 2025 / Updated: May 11, 2025
Vulnerability identifier: #VU104489
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2022-49182
CWE-ID: CWE-416
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
Description
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the hclge_add_vport_vlan_table(), hclge_add_vport_all_vlan_table(), hclge_rm_vport_vlan_table(), hclge_rm_vport_all_vlan_table(), hclge_uninit_vport_vlan_table(), hclge_restore_vport_vlan_table() and hclge_uninit_ae_dev() functions in drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
External links
- https://git.kernel.org/stable/c/09e383ca97e798f9954189b741af54b5c51e7a97
- https://git.kernel.org/stable/c/1932a624ab88ff407d1a1d567fe581faa15dc725
- https://git.kernel.org/stable/c/30f0ff7176efe8ac6c55f85bce26ed58bb608758
- https://git.kernel.org/stable/c/f58af41deeab0f45c9c80adf5f2de489ebbac3dd
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17.2