#VU104498 Use-after-free in Linux kernel - CVE-2021-47651
Published: February 26, 2025 / Updated: May 11, 2025
Vulnerability identifier: #VU104498
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-2021-47651
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 rpmpd_probe() function in drivers/soc/qcom/rpmpd.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/31b5124d742969ea8bf7a1360596f548ca23e770
- https://git.kernel.org/stable/c/5a811126d38f9767a20cc271b34db7c8efc5a46c
- https://git.kernel.org/stable/c/724376c30af5a57686b223dbcd6188e07d2a1de2
- https://git.kernel.org/stable/c/755dbc3d73789ac9f0017c729abf5e4b153bf799
- https://git.kernel.org/stable/c/84b89fa877ad576e9ee8130f412cfd592f274508
- https://git.kernel.org/stable/c/b5d6eba71997b6d661935d2b15094ac7f9f6132d
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.110