SB2024060107 - NULL pointer dereference in Linux kernel nvme target driver
Published: June 1, 2024 Updated: May 14, 2025
Security Bulletin ID
SB2024060107
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) NULL pointer dereference (CVE-ID: CVE-2021-46983)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the nvmet_rdma_send_done() and nvmet_rdma_write_data_done() functions in drivers/nvme/target/rdma.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/64f3410c7bfc389b1a58611d0799f4a36ce4b6b5
- https://git.kernel.org/stable/c/17fb6dfa5162b89ecfa07df891a53afec321abe8
- https://git.kernel.org/stable/c/5bdb34466ad8370546dfa0497594fb1d6f2fed90
- https://git.kernel.org/stable/c/8cc365f9559b86802afc0208389f5c8d46b4ad61
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.38
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.11.22
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.12.5
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.13