CVE-2024-41027 (GCVE-0-2024-41027)

Vulnerability from cvelistv5 – Published: 2024-07-29 14:31 – Updated: 2025-11-03 21:59
VLAI?
Title
Fix userfaultfd_api to return EINVAL as expected
Summary
In the Linux kernel, the following vulnerability has been resolved: Fix userfaultfd_api to return EINVAL as expected Currently if we request a feature that is not set in the Kernel config we fail silently and return all the available features. However, the man page indicates we should return an EINVAL. We need to fix this issue since we can end up with a Kernel warning should a program request the feature UFFD_FEATURE_WP_UNPOPULATED on a kernel with the config not set with this feature. [ 200.812896] WARNING: CPU: 91 PID: 13634 at mm/memory.c:1660 zap_pte_range+0x43d/0x660 [ 200.820738] Modules linked in: [ 200.869387] CPU: 91 PID: 13634 Comm: userfaultfd Kdump: loaded Not tainted 6.9.0-rc5+ #8 [ 200.877477] Hardware name: Dell Inc. PowerEdge R6525/0N7YGH, BIOS 2.7.3 03/30/2022 [ 200.885052] RIP: 0010:zap_pte_range+0x43d/0x660
Severity ?
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: e06f1e1dd4998ffc9da37f580703b55a93fc4de4 , < 519547760f16eae7803d2658d9524bc5ba7a20a7 (git)
Affected: e06f1e1dd4998ffc9da37f580703b55a93fc4de4 , < 14875fd5f9bcf60ac5518c63bfb676ade44aa7c6 (git)
Affected: e06f1e1dd4998ffc9da37f580703b55a93fc4de4 , < cd94cac4069a763ab5206be2c64c9a8beae590ba (git)
Affected: e06f1e1dd4998ffc9da37f580703b55a93fc4de4 , < 8111f902b7c95d75fc80c7e577f5045886c6b384 (git)
Affected: e06f1e1dd4998ffc9da37f580703b55a93fc4de4 , < 1723f04caacb32cadc4e063725d836a0c4450694 (git)
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    Linux Linux Affected: 5.7
Unaffected: 0 , < 5.7 (semver)
Unaffected: 5.15.163 , ≤ 5.15.* (semver)
Unaffected: 6.1.100 , ≤ 6.1.* (semver)
Unaffected: 6.6.41 , ≤ 6.6.* (semver)
Unaffected: 6.9.10 , ≤ 6.9.* (semver)
Unaffected: 6.10 , ≤ * (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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  • 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.



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