SB20240711181 - Input validation error in Linux kernel linux ceph
Published: July 11, 2024 Updated: May 13, 2025
Security Bulletin ID
SB20240711181
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) Input validation error (CVE-ID: CVE-2023-52636)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation within the get_reply() and prep_next_sparse_read() functions in net/ceph/osd_client.c, within the decrypt_tail() and prepare_read_tail_plain() functions in net/ceph/messenger_v2.c, within the sizeof_footer(), read_partial_sparse_msg_data() and read_partial_message() functions in net/ceph/messenger_v1.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/da9c33a70f095d5d55c36d0bfeba969e31de08ae
- https://git.kernel.org/stable/c/bd9442e553ab8bf74b8be3b3c0a43bf4af4dc9b8
- https://git.kernel.org/stable/c/8e46a2d068c92a905d01cbb018b00d66991585ab
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.17
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.7.5
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.8