SB2024070435 - Incorrect calculation in Linux kernel kvm mmu
Published: July 4, 2024 Updated: May 13, 2025
Security Bulletin ID
SB2024070435
CSH 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 vulnerability.
1) Incorrect calculation (CVE-ID: CVE-2024-26990)
CWE-ID: CWE-682 - Incorrect Calculation
CVSSv4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to incorrect calculation within the kvm_tdp_mmu_try_split_huge_pages(), kvm_tdp_mmu_clear_dirty_slot() and clear_dirty_pt_masked() functions in arch/x86/kvm/mmu/tdp_mmu.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.