CVE-2023-52672 (GCVE-0-2023-52672)

Vulnerability from cvelistv5 – Published: 2024-05-17 14:02 – Updated: 2026-05-11 19:31
VLAI?
Title
pipe: wakeup wr_wait after setting max_usage
Summary
In the Linux kernel, the following vulnerability has been resolved: pipe: wakeup wr_wait after setting max_usage Commit c73be61cede5 ("pipe: Add general notification queue support") a regression was introduced that would lock up resized pipes under certain conditions. See the reproducer in [1]. The commit resizing the pipe ring size was moved to a different function, doing that moved the wakeup for pipe->wr_wait before actually raising pipe->max_usage. If a pipe was full before the resize occured it would result in the wakeup never actually triggering pipe_write. Set @max_usage and @nr_accounted before waking writers if this isn't a watch queue. [Christian Brauner <brauner@kernel.org>: rewrite to account for watch queues]
Severity ?
7 (High)
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE
  • CWE-400 - Uncontrolled Resource Consumption
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: c73be61cede5882f9605a852414db559c0ebedfd , < 162ae0e78bdabf84ef10c1293c4ed7865cb7d3c8 (git)
Affected: c73be61cede5882f9605a852414db559c0ebedfd , < 3efbd114b91525bb095b8ae046382197d92126b9 (git)
Affected: c73be61cede5882f9605a852414db559c0ebedfd , < b87a1229d8668fbc78ebd9ca0fc797a76001c60f (git)
Affected: c73be61cede5882f9605a852414db559c0ebedfd , < 68e51bdb1194f11d3452525b99c98aff6f837b24 (git)
Affected: c73be61cede5882f9605a852414db559c0ebedfd , < 6fb70694f8d1ac34e45246b0ac988f025e1e5b55 (git)
Affected: c73be61cede5882f9605a852414db559c0ebedfd , < e95aada4cb93d42e25c30a0ef9eb2923d9711d4a (git)
Create a notification for this product.
Linux Linux Affected: 5.8
Unaffected: 0 , < 5.8 (semver)
Unaffected: 5.10.210 , ≤ 5.10.* (semver)
Unaffected: 5.15.149 , ≤ 5.15.* (semver)
Unaffected: 6.1.76 , ≤ 6.1.* (semver)
Unaffected: 6.6.15 , ≤ 6.6.* (semver)
Unaffected: 6.7.3 , ≤ 6.7.* (semver)
Unaffected: 6.8 , ≤ * (original_commit_for_fix)
Create a notification for this product.
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      "cveMetadata": "{\"cveId\": \"CVE-2023-52672\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2024-12-19T08:23:50.638Z\", \"dateReserved\": \"2024-03-07T14:49:46.886Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2024-05-17T14:02:10.308Z\", \"assignerShortName\": \"Linux\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}


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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.