Improper locking in Linux kernel - CVE-2024-53689
Published: January 17, 2025 / Updated: May 11, 2025
Vulnerability identifier: #VU102944
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2024-53689
CWE-ID: CWE-667
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 perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the queue_attr_store() function in block/blk-sysfs.c, within the blk_mq_realloc_hw_ctxs(), blk_mq_init_allocated_queue(), blk_mq_elv_switch_none(), blk_mq_elv_switch_back(), __blk_mq_update_nr_hw_queues() and list_for_each_entry() functions in block/blk-mq.c, within the blk_mq_sysfs_unregister_hctxs() and blk_mq_sysfs_register_hctxs() functions in block/blk-mq-sysfs.c. A local user can perform a denial of service (DoS) attack.
How to mitigate CVE-2024-53689
Install update from vendor's website.