SB2024123092 - Use-after-free in Linux kernel include asm
Published: December 30, 2024 Updated: May 12, 2025
Security Bulletin ID
SB2024123092
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Use-after-free (CVE-ID: CVE-2024-53232)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the calc_rtx(), s390_domain_free(), s390_iommu_attach_device(), s390_iommu_probe_device(), s390_iommu_unmap_pages() and s390_iommu_init() functions in drivers/iommu/s390-iommu.c, within the pci_fmb_show() function in arch/s390/pci/pci_debug.c, within the zpci_fmb_enable_device() function in arch/s390/pci/pci.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/3be34fa1cdbf180c1a948cfededfdf2cdc497199
- https://git.kernel.org/stable/c/bd89d94f3ea6fdaee983cbc69226a00b9bde6d59
- https://git.kernel.org/stable/c/ecda483339a5151e3ca30d6b82691ef6f1d17912
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.11.11
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12.2
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.13