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Vulnerability Details CVE-2024-26598

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: vgic-its: Avoid potential UAF in LPI translation cache There is a potential UAF scenario in the case of an LPI translation cache hit racing with an operation that invalidates the cache, such as a DISCARD ITS command. The root of the problem is that vgic_its_check_cache() does not elevate the refcount on the vgic_irq before dropping the lock that serializes refcount changes. Have vgic_its_check_cache() raise the refcount on the returned vgic_irq and add the corresponding decrement after queueing the interrupt.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 1.2%
CVSS Severity
CVSS v3 Score 7.8
References
Products affected by CVE-2024-26598


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