SB2025122688 - Memory leak in Linux kernel kvm
Published: December 26, 2025 Updated: December 31, 2025
Security Bulletin ID
SB2025122688
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) Memory leak (CVE-ID: CVE-2023-54024)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the kvm_vm_ioctl_unregister_coalesced_mmio() function in virt/kvm/coalesced_mmio.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/10c2a20d73e99463e69b7e92706791656adc16d7
- https://git.kernel.org/stable/c/76a9886e1b61ce5592df5ae78a19ed30399ae189
- https://git.kernel.org/stable/c/999439fd5da5a76253e2f2c37b94204f47d75491
- https://git.kernel.org/stable/c/b1cb1fac22abf102ffeb29dd3eeca208a3869d54
- https://git.kernel.org/stable/c/ccf6a7fb1aedb1472e1241ee55e4d26b68f8d066
- https://git.kernel.org/stable/c/fb436dd6914325075f07d19851ab277b7a693ae7
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.2.3