SB20240531476 - NULL pointer dereference in Linux kernel quota
Published: May 31, 2024 Updated: May 14, 2025
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) NULL pointer dereference (CVE-ID: CVE-2024-26878)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the dquot_mark_dquot_dirty(), __dquot_alloc_space(), dquot_alloc_inode(), EXPORT_SYMBOL(), dquot_claim_space_nodirty(), dquot_reclaim_space_nodirty(), __dquot_free_space(), dquot_free_inode() and __dquot_transfer() functions in fs/quota/dquot.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/8514899c1a4edf802f03c408db901063aa3f05a1
- https://git.kernel.org/stable/c/49669f8e7eb053f91d239df7b1bfb4500255a9d0
- https://git.kernel.org/stable/c/61380537aa6dd32d8a723d98b8f1bd1b11d8fee0
- https://git.kernel.org/stable/c/1ca72a3de915f87232c9a4cb9bebbd3af8ed3e25
- https://git.kernel.org/stable/c/7f9e833fc0f9b47be503af012eb5903086939754
- https://git.kernel.org/stable/c/40a673b4b07efd6f74ff3ab60f38b26aa91ee5d5
- https://git.kernel.org/stable/c/f2649d98aa9ca8623149b3cb8df00c944f5655c7
- https://git.kernel.org/stable/c/6afc9f4434fa8063aa768c2bf5bf98583aee0877
- https://git.kernel.org/stable/c/d0aa72604fbd80c8aabb46eda00535ed35570f1f
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.311
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.214
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.153
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.273
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.83
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.23
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.7.11
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.8.2