NULL pointer dereference in Linux kernel - CVE-2024-26893
Published: May 31, 2024 / Updated: May 14, 2025
Vulnerability identifier: #VU90577
CSH Severity: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2024-26893
CWE-ID: CWE-476
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 perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the smc_chan_free() function in drivers/firmware/arm_scmi/smc.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
External links
- https://git.kernel.org/stable/c/0d276d9f335f41d6524258d58c0c0241ef9a83a4
- https://git.kernel.org/stable/c/857f56db8c3a71f9871922b6984ff74ad588cb2c
- https://git.kernel.org/stable/c/8ffaa17ccb1eb1b65cf85db63225a3581c303773
- https://git.kernel.org/stable/c/ead445dd3d681020af333649a27306160eee761d
- https://git.kernel.org/stable/c/f1d71576d2c9ec8fdb822173fa7f3de79475e9bd
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.83
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.23
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.7.11
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.8.2