SB20241022102 - NULL pointer dereference in Linux kernel riscv kvm
Published: October 22, 2024 Updated: May 12, 2025
Security Bulletin ID
SB20241022102
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-2024-47717)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the kvm_riscv_vcpu_pmu_read_hpm() function in arch/riscv/kvm/vcpu_pmu.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/81aa95fd5bd14ff49617f07fa79a8d1f1cf2ce9a
- https://git.kernel.org/stable/c/6d0a5dcfc78bd18f2abb9641f83380135494559b
- https://git.kernel.org/stable/c/47d40d93292d9cff8dabb735bed83d930fa03950
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.10.13
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.11.2
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12