SB2024081974 - NULL pointer dereference in Linux kernel s390 block driver
Published: August 19, 2024 Updated: May 12, 2025
Security Bulletin ID
SB2024081974
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) NULL pointer dereference (CVE-ID: CVE-2024-42320)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the dasd_copy_pair_store() function in drivers/s390/block/dasd_devmap.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/cc8b7284d5076722e0b8062373b68d8e47c3bace
- https://git.kernel.org/stable/c/e511167e65d332d07b3c7a3d5a741ee9c19a8c27
- https://git.kernel.org/stable/c/68d4c3722290ad300c295fb3435e835d200d5cb2
- https://git.kernel.org/stable/c/8e64d2356cbc800b4cd0e3e614797f76bcf0cdb8
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.103
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.10.3
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.11
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.44