CVE-2024-46707 (GCVE-0-2024-46707)

Vulnerability from cvelistv5 – Published: 2024-09-13 06:27 – Updated: 2025-12-20 08:51
VLAI?
Title
KVM: arm64: Make ICC_*SGI*_EL1 undef in the absence of a vGICv3
Summary
In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Make ICC_*SGI*_EL1 undef in the absence of a vGICv3 On a system with a GICv3, if a guest hasn't been configured with GICv3 and that the host is not capable of GICv2 emulation, a write to any of the ICC_*SGI*_EL1 registers is trapped to EL2. We therefore try to emulate the SGI access, only to hit a NULL pointer as no private interrupt is allocated (no GIC, remember?). The obvious fix is to give the guest what it deserves, in the shape of a UNDEF exception.
Severity ?
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 6211753fdfd05af9e08f54c8d0ba3ee516034878 , < 15818af2f7aa55eff375333cb7689df15d3f24ef (git)
Affected: 6211753fdfd05af9e08f54c8d0ba3ee516034878 , < 96b076e8ee5bc3a1126848c8add0f74bd30dc9d1 (git)
Affected: 6211753fdfd05af9e08f54c8d0ba3ee516034878 , < 94d4fbad01b19ec5eab3d6b50aaec4f9db8b2d8d (git)
Affected: 6211753fdfd05af9e08f54c8d0ba3ee516034878 , < 9d7629bec5c3f80bd0e3bf8103c06a2f7046bd92 (git)
Affected: 6211753fdfd05af9e08f54c8d0ba3ee516034878 , < 2073132f6ed3079369e857a8deb33d11bdd983bc (git)
Affected: 6211753fdfd05af9e08f54c8d0ba3ee516034878 , < 3e6245ebe7ef341639e9a7e402b3ade8ad45a19f (git)
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    Linux Linux Affected: 3.11
Unaffected: 0 , < 3.11 (semver)
Unaffected: 5.10.225 , ≤ 5.10.* (semver)
Unaffected: 5.15.166 , ≤ 5.15.* (semver)
Unaffected: 6.1.107 , ≤ 6.1.* (semver)
Unaffected: 6.6.48 , ≤ 6.6.* (semver)
Unaffected: 6.10.7 , ≤ 6.10.* (semver)
Unaffected: 6.11 , ≤ * (original_commit_for_fix)
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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.
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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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