SB2024071760 - NULL pointer dereference in Linux kernel kvm svm
Published: July 17, 2024 Updated: May 13, 2025
Security Bulletin ID
SB2024071760
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-2022-48793)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the svm_set_nested_state() function in arch/x86/kvm/svm/nested.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/74b426bea4f7e3b081add2b88d4fba16d3af7ab6
- https://git.kernel.org/stable/c/352193edda48e08e8824a7ece09aec830a603cfe
- https://git.kernel.org/stable/c/e1779c2714c3023e4629825762bcbc43a3b943df
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.25
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.16.11
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17