SB2024073125 - Use-after-free in Linux kernel powerpc kvm
Published: July 31, 2024 Updated: May 12, 2025
Security Bulletin ID
SB2024073125
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-2024-41070)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the kvm_spapr_tce_attach_iommu_group() function in arch/powerpc/kvm/book3s_64_vio.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/be847bb20c809de8ac124431b556f244400b0491
- https://git.kernel.org/stable/c/4cdf6926f443c84f680213c7aafbe6f91a5fcbc0
- https://git.kernel.org/stable/c/b26c8c85463ef27a522d24fcd05651f0bb039e47
- https://git.kernel.org/stable/c/5f856023971f97fff74cfaf21b48ec320147b50a
- https://git.kernel.org/stable/c/82c7a4cf14aa866f8f7f09e662b02eddc49ee0bf
- https://git.kernel.org/stable/c/9975f93c760a32453d7639cf6fcf3f73b4e71ffe
- https://git.kernel.org/stable/c/a986fa57fd81a1430e00b3c6cf8a325d6f894a63
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.223
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.164
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.281
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.101
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.10
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.42