Memory leak in Linux kernel - CVE-2024-44963

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Main Vulnerability Database Vulnerabilities #VU96830

Memory leak in Linux kernel - CVE-2024-44963

Published: September 5, 2024 / Updated: May 12, 2025


Vulnerability identifier: #VU96830
CSH Severity: Low
CVSSv4.0: 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-2024-44963
CWE-ID: CWE-401
Exploitation vector: Local access
Exploit availability: No public exploit available
Vulnerable software:
Linux kernel
Software vendor:
Linux Foundation

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to memory leak within the btrfs_quota_disable() function in fs/btrfs/qgroup.c, within the create_subvol() function in fs/btrfs/ioctl.c, within the btrfs_delete_free_space_tree() function in fs/btrfs/free-space-tree.c, within the btrfs_free_tree_block(), clear_bit() and walk_up_proc() functions in fs/btrfs/extent-tree.c, within the btrfs_force_cow_block(), balance_level(), insert_new_root() and btrfs_del_leaf() functions in fs/btrfs/ctree.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.

External links