#VU90171 Use-after-free in Linux kernel - CVE-2022-48695
Published: May 31, 2024 / Updated: May 14, 2025
Vulnerability identifier: #VU90171
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-2022-48695
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 dequeue_next_fw_event() and _scsih_fw_event_cleanup_queue() functions in drivers/scsi/mpt3sas/mpt3sas_scsih.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/b8fc9e91b931215110ba824d1a2983c5f60b6f82
- https://git.kernel.org/stable/c/d4959d09b76eb7a4146f5133962b88d3bddb63d6
- https://git.kernel.org/stable/c/82efb917eeb27454dc4c6fe26432fc8f6c75bc16
- https://git.kernel.org/stable/c/5682c94644fde72f72bded6580c38189ffc856b5
- https://git.kernel.org/stable/c/ea10a652ad2ae2cf3eced6f632a5c98f26727057
- https://git.kernel.org/stable/c/6229fa494a5949be209bc73afbc5d0a749c2e3c7
- https://git.kernel.org/stable/c/41acb064c4e013808bc7d5fc1b506fa449425b0b
- https://git.kernel.org/stable/c/991df3dd5144f2e6b1c38b8d20ed3d4d21e20b34
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.293
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.258
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.328
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.143
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.68
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19.9
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.213
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.0