Use-after-free in Linux kernel - CVE-2022-50129
Published: June 20, 2025 / Updated: June 21, 2025
Vulnerability identifier: #VU111532
CSH Severity: Low
CVSS v4.0: 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-2022-50129
CWE-ID: CWE-416
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability 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 srpt_refresh_port(), srpt_cm_req_recv(), srpt_release_sport(), __srpt_lookup_wwn(), srpt_add_one(), srpt_wwn_to_sport_id() and srpt_make_tport() functions in drivers/infiniband/ulp/srpt/ib_srpt.c. A local user can escalate privileges on the system.
How to mitigate CVE-2022-50129
Install update from vendor's repository.
Sources
- https://git.kernel.org/stable/c/388326bb1c32fcd09371c1d494af71471ef3a04b
- https://git.kernel.org/stable/c/4ee8c39968a648d58b273582d4b021044a41ee5e
- https://git.kernel.org/stable/c/b5605148e6ce36bb21020d49010b617693933128
- https://git.kernel.org/stable/c/de95b52d9aabc979166aba81ccbe623aaf9c16a1
- https://git.kernel.org/stable/c/e60d7e2462bf57273563c4e00dbfa79ee973b9e2
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.61