CVE-2024-53241 (GCVE-0-2024-53241)

Vulnerability from cvelistv5 – Published: 2024-12-24 09:24 – Updated: 2026-05-11 20:53
VLAI
Title
x86/xen: don't do PV iret hypercall through hypercall page
Summary
In the Linux kernel, the following vulnerability has been resolved: x86/xen: don't do PV iret hypercall through hypercall page Instead of jumping to the Xen hypercall page for doing the iret hypercall, directly code the required sequence in xen-asm.S. This is done in preparation of no longer using hypercall page at all, as it has shown to cause problems with speculation mitigations. This is part of XSA-466 / CVE-2024-53241.
Severity
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: cdacc1278b12d929f9a053c245ff3d16eb7af9f8 , < 05df6e6cd9a76b778aee33c3c18c9f3b3566d4a5 (git)
Affected: cdacc1278b12d929f9a053c245ff3d16eb7af9f8 , < c7b4cfa6213a44fa48714186dfdf125072d036e3 (git)
Affected: cdacc1278b12d929f9a053c245ff3d16eb7af9f8 , < fa719857f613fed94a79da055b13ca51214c694f (git)
Affected: cdacc1278b12d929f9a053c245ff3d16eb7af9f8 , < 82c211ead1ec440dbf81727e17b03b5e3c44b93d (git)
Affected: cdacc1278b12d929f9a053c245ff3d16eb7af9f8 , < f7c3fdad0a474062d566aae3289d490d7e702d30 (git)
Affected: cdacc1278b12d929f9a053c245ff3d16eb7af9f8 , < a2796dff62d6c6bfc5fbebdf2bee0d5ac0438906 (git)
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Linux Linux Affected: 2.6.27
Unaffected: 0 , < 2.6.27 (semver)
Unaffected: 5.10.232 , ≤ 5.10.* (semver)
Unaffected: 5.15.175 , ≤ 5.15.* (semver)
Unaffected: 6.1.121 , ≤ 6.1.* (semver)
Unaffected: 6.6.67 , ≤ 6.6.* (semver)
Unaffected: 6.12.6 , ≤ 6.12.* (semver)
Unaffected: 6.13 , ≤ * (original_commit_for_fix)
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  }
}


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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

  • 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.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.