SB20240531490 - NULL pointer dereference in Linux kernel vfio platform driver
Published: May 31, 2024 Updated: May 14, 2025
Security Bulletin ID
SB20240531490
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-2024-26813)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the vfio_platform_set_irq_unmask(), vfio_automasked_irq_handler(), vfio_irq_handler(), vfio_set_trigger(), vfio_platform_set_irq_trigger(), vfio_platform_set_irqs_ioctl(), vfio_platform_irq_init() and vfio_platform_irq_cleanup() functions in drivers/vfio/platform/vfio_platform_irq.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/7932db06c82c5b2f42a4d1a849d97dba9ce4a362
- https://git.kernel.org/stable/c/62d4e43a569b67929eb3319780be5359694c8086
- https://git.kernel.org/stable/c/d6bedd6acc0bcb1e7e010bc046032e47f08d379f
- https://git.kernel.org/stable/c/0f8d8f9c2173a541812dd750529f4a415117eb29
- https://git.kernel.org/stable/c/675daf435e9f8e5a5eab140a9864dfad6668b375
- https://git.kernel.org/stable/c/cc5838f19d39a5fef04c468199699d2a4578be3a
- https://git.kernel.org/stable/c/07afdfd8a68f9eea8db0ddc4626c874f29d2ac5e
- https://git.kernel.org/stable/c/09452c8fcbd7817c06e8e3212d99b45917e603a5
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.215