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CVE-2024-26598 Detail

Description

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.


Severity



CVSS 4.0 Severity and Metrics:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.


NVD Analysts use publicly available information to associate vector strings and CVSS scores. We also display any CVSS information provided within the CVE List from the CNA.

Note: NVD Analysts have not published a CVSS score for this CVE at this time. NVD Analysts use publicly available information at the time of analysis to associate CVSS vector strings.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
https://git.kernel.org/stable/c/12c2759ab1343c124ed46ba48f27bd1ef5d2dff4 Patch 
https://git.kernel.org/stable/c/65b201bf3e9af1b0254243a5881390eda56f72d1 Patch 
https://git.kernel.org/stable/c/ad362fe07fecf0aba839ff2cc59a3617bd42c33f Patch 
https://git.kernel.org/stable/c/ba7be666740847d967822bed15500656b26bc703 Patch 
https://git.kernel.org/stable/c/d04acadb6490aa3314f9c9e087691e55de153b88 Patch 
https://git.kernel.org/stable/c/dba788e25f05209adf2b0175eb1691dc89fb1ba6 Patch 
https://git.kernel.org/stable/c/dd3956a1b3dd11f46488c928cb890d6937d1ca80 Patch 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-416 Use After Free cwe source acceptance level NIST  

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Change History

4 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2024-26598
NVD Published Date:
02/23/2024
NVD Last Modified:
04/17/2024
Source:
kernel.org