CVE-2021-46919 (GCVE-0-2021-46919)

Vulnerability from cvelistv5 – Published: 2024-02-27 06:53 – Updated: 2025-05-04 07:00
VLAI?
Title
dmaengine: idxd: fix wq size store permission state
Summary
In the Linux kernel, the following vulnerability has been resolved: dmaengine: idxd: fix wq size store permission state WQ size can only be changed when the device is disabled. Current code allows change when device is enabled but wq is disabled. Change the check to detect device state.
Severity ?
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: c52ca478233c172b2d322b5241d6279a8661cbba , < 4ecf25595273203010bc8318c4aee60ad64037ae (git)
Affected: c52ca478233c172b2d322b5241d6279a8661cbba , < 05b7791c4c4aa8304368fdc55ae911f6b34e7281 (git)
Affected: c52ca478233c172b2d322b5241d6279a8661cbba , < 0fff71c5a311e1264988179f7dcc217fda15fadd (git)
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    Linux Linux Affected: 5.6
Unaffected: 0 , < 5.6 (semver)
Unaffected: 5.10.32 , ≤ 5.10.* (semver)
Unaffected: 5.11.16 , ≤ 5.11.* (semver)
Unaffected: 5.12 , ≤ * (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.
  • 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 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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