SB20240530132 - Memory leak in Linux kernel target driver
Published: May 30, 2024 Updated: May 14, 2025
Security Bulletin ID
SB20240530132
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) Memory leak (CVE-ID: CVE-2021-47074)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the nvme_loop_create_ctrl() function in drivers/nvme/target/loop.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/9c980795ccd77e8abec33dd6fe28dfe1c4083e65
- https://git.kernel.org/stable/c/551ba08d4b7eb26f75758cdb9f15105b276517ad
- https://git.kernel.org/stable/c/03504e3b54cc8118cc26c064e60a0b00c2308708
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.40
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.12.7
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.13