#VU91063 Use-after-free in Linux kernel - CVE-2024-26856
Published: June 4, 2024 / Updated: May 13, 2025
Vulnerability identifier: #VU91063
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-2024-26856
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 sparx5_del_mact_entry() function in drivers/net/ethernet/microchip/sparx5/sparx5_mactable.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/e46274df1100fb0c06704195bfff5bfbd418bf64
- https://git.kernel.org/stable/c/0de693d68b0a18d5e256556c7c62d92cca35ad52
- https://git.kernel.org/stable/c/e83bebb718fd1f42549358730e1206164e0861d6
- https://git.kernel.org/stable/c/71809805b95052ff551922f11660008fb3666025
- https://git.kernel.org/stable/c/89d72d4125e94aa3c2140fedd97ce07ba9e37674
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.152
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.82
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.22
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.7.10
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.8