CVE-2024-43102 (GCVE-0-2024-43102)

Vulnerability from cvelistv5 – Published: 2024-09-05 04:54 – Updated: 2024-09-16 21:02
VLAI?
Title
umtx Kernel panic or Use-After-Free
Summary
Concurrent removals of certain anonymous shared memory mappings by using the UMTX_SHM_DESTROY sub-request of UMTX_OP_SHM can lead to decreasing the reference count of the object representing the mapping too many times, causing it to be freed too early. A malicious code exercizing the UMTX_SHM_DESTROY sub-request in parallel can panic the kernel or enable further Use-After-Free attacks, potentially including code execution or Capsicum sandbox escape.
Severity ?
9.8 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE
  • CWE-416 - Use After Free
  • CWE-911 - Improper Update of Reference Count
Assigner
References
Impacted products
Vendor Product Version
FreeBSD FreeBSD Affected: 14.1-RELEASE , < p4 (release)
Affected: 14.0-RELEASE , < p10 (release)
Affected: 13.3-RELEASE , < p6 (release)
Create a notification for this product.
Credits
Synacktiv The FreeBSD Foundation The Alpha-Omega Project
Show details on NVD website
To clipboard 

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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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