CVE-2023-52584 (GCVE-0-2023-52584)

Vulnerability from cvelistv5 – Published: 2024-03-06 06:45 – Updated: 2026-05-11 19:29
VLAI
Title
spmi: mediatek: Fix UAF on device remove
Summary
In the Linux kernel, the following vulnerability has been resolved: spmi: mediatek: Fix UAF on device remove The pmif driver data that contains the clocks is allocated along with spmi_controller. On device remove, spmi_controller will be freed first, and then devres , including the clocks, will be cleanup. This leads to UAF because putting the clocks will access the clocks in the pmif driver data, which is already freed along with spmi_controller. This can be reproduced by enabling DEBUG_TEST_DRIVER_REMOVE and building the kernel with KASAN. Fix the UAF issue by using unmanaged clk_bulk_get() and putting the clocks before freeing spmi_controller.
Severity
3.8 (Low)
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N
SSVC
Exploitation: poc Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: b45b3ccef8c063d21eb746d85337eaf71f6b5f07 , < 521f28eedd6b14228c46e3b81e3bf9b90c2818d8 (git)
Affected: b45b3ccef8c063d21eb746d85337eaf71f6b5f07 , < f8dcafcb54632536684336161da8bdd52120f95e (git)
Affected: b45b3ccef8c063d21eb746d85337eaf71f6b5f07 , < 9a3881b1f07db1bb55cb0108e6f05cfd027eaf2e (git)
Affected: b45b3ccef8c063d21eb746d85337eaf71f6b5f07 , < e821d50ab5b956ed0effa49faaf29912fd4106d9 (git)
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Linux Linux Affected: 5.17
Unaffected: 0 , < 5.17 (semver)
Unaffected: 6.1.77 , ≤ 6.1.* (semver)
Unaffected: 6.6.16 , ≤ 6.6.* (semver)
Unaffected: 6.7.4 , ≤ 6.7.* (semver)
Unaffected: 6.8 , ≤ * (original_commit_for_fix)
Create a notification for this product.
linux kernel Affected: 1da177e4c3f4 , < 521f28eedd6b (custom)
Affected: 1da177e4c3f4 , < f8dcafcb5463 (custom)
Affected: 1da177e4c3f4 , < 9a3881b1f07d (custom)
Affected: 1da177e4c3f4 , < e821d50ab5b9 (custom)
Unaffected: 6.1.77 , ≤ 6.1.* (custom)
Unaffected: 6.6.16 , ≤ 6.6.* (custom)
Unaffected: 6.7.4 , ≤ 6.7.* (custom)
Unaffected: 6.8 , ≤ * (custom)
    cpe:2.3:o:linux:kernel:*:*:*:*:*:*:*:*
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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

Author Source Type Date Other

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.