SB2024053196 - Use-after-free in Linux kernel nvme host driver
Published: May 31, 2024 Updated: May 14, 2025
Security Bulletin ID
SB2024053196
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Use-after-free (CVE-ID: CVE-2022-48686)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the nvme_tcp_io_work() function in drivers/nvme/host/tcp.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/19816a0214684f70b49b25075ff8c402fdd611d3
- https://git.kernel.org/stable/c/5914fa32ef1b7766fea933f9eed94ac5c00aa7ff
- https://git.kernel.org/stable/c/13c80a6c112467bab5e44d090767930555fc17a5
- https://git.kernel.org/stable/c/c3eb461aa56e6fa94fb80442ba2586bd223a8886
- https://git.kernel.org/stable/c/160f3549a907a50e51a8518678ba2dcf2541abea
- 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