Double free in Linux kernel - CVE-2020-36785
Published: June 3, 2024 / Updated: May 14, 2025
Vulnerability identifier: #VU90900
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-2020-36785
CWE-ID: CWE-415
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 a double free error within the atomisp_alloc_css_stat_bufs() function in drivers/staging/media/atomisp/pci/atomisp_ioctl.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/d218c7a0284f6b92a7b82d2e19706e18663b4193
- https://git.kernel.org/stable/c/801c1d505894008c888bc71d08d5cff5d87f8aba
- https://git.kernel.org/stable/c/8267ccd7b9df7ab682043507dd682fe0621cf045
- https://git.kernel.org/stable/c/ba11bbf303fafb33989e95473e409f6ab412b18d
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.37
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.11.21
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.12.4
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.13