CVE-2022-48730 (GCVE-0-2022-48730)

Vulnerability from cvelistv5 – Published: 2024-06-20 11:13 – Updated: 2025-05-04 08:21
VLAI?
Title
dma-buf: heaps: Fix potential spectre v1 gadget
Summary
In the Linux kernel, the following vulnerability has been resolved: dma-buf: heaps: Fix potential spectre v1 gadget It appears like nr could be a Spectre v1 gadget as it's supplied by a user and used as an array index. Prevent the contents of kernel memory from being leaked to userspace via speculative execution by using array_index_nospec. [sumits: added fixes and cc: stable tags]
Severity ?
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: c02a81fba74fe3488ad6b08bfb5a1329005418f8 , < 5d40f1bdad3dd1a177f21a90ad4353c1ed40ba3a (git)
Affected: c02a81fba74fe3488ad6b08bfb5a1329005418f8 , < 24f8e12d965b24f8aea762589e0e9fe2025c005e (git)
Affected: c02a81fba74fe3488ad6b08bfb5a1329005418f8 , < cc8f7940d9c2d45f67b3d1a2f2b7a829ca561bed (git)
Affected: c02a81fba74fe3488ad6b08bfb5a1329005418f8 , < 92c4cfaee6872038563c5b6f2e8e613f9d84d47d (git)
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    Linux Linux Affected: 5.6
Unaffected: 0 , < 5.6 (semver)
Unaffected: 5.10.99 , ≤ 5.10.* (semver)
Unaffected: 5.15.22 , ≤ 5.15.* (semver)
Unaffected: 5.16.8 , ≤ 5.16.* (semver)
Unaffected: 5.17 , ≤ * (original_commit_for_fix)
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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.



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