#VU90196 Use-after-free in Linux kernel - CVE-2024-26866

Vulnerability identifier: #VU90196

Vulnerability risk: Low

CVSSv4.0: 5.9 [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-2024-26866

CWE-ID: CWE-416

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Linux kernel
Operating systems & Components / Operating system

Vendor: 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 fsl_lpspi_probe() function in drivers/spi/spi-fsl-lpspi.c. A local user can escalate privileges on the system.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Linux kernel: All versions

---

External links
https://git.kernel.org/stable/c/da83ed350e4604b976e94239b08d8e2e7eaee7ea
https://git.kernel.org/stable/c/1543418e82789cc383cd36d41469983c64e3fc7f
https://git.kernel.org/stable/c/996ce839606afd0fef91355627868022aa73eb68
https://git.kernel.org/stable/c/2ae0ab0143fcc06190713ed81a6486ed0ad3c861

---

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.