#VU111447 Use-after-free in Linux kernel - CVE-2022-49986
Published: June 19, 2025 / Updated: June 21, 2025
Vulnerability identifier: #VU111447
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-2022-49986
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 storvsc_probe() function in drivers/scsi/storvsc_drv.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's repository.
External links
- https://git.kernel.org/stable/c/46fcb0fc884db78a0384be92cc2a51927e6581b8
- https://git.kernel.org/stable/c/828f57ac75eaccd6607ee4d1468d34e983e32c68
- https://git.kernel.org/stable/c/b4c928ace9a123629eeb14ec5d7ee8f73e5ac668
- https://git.kernel.org/stable/c/b692c238ddfa61f00d97c4c1f021425d132ba96f
- https://git.kernel.org/stable/c/cd2a50d0a097a42b6de283377da98ff757505120
- https://git.kernel.org/stable/c/d957e7ffb2c72410bcc1a514153a46719255a5da
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.257
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.140
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.64
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19.6
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.212
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.0