CVE-2023-52754 (GCVE-0-2023-52754)

Vulnerability from cvelistv5 – Published: 2024-05-21 15:30 – Updated: 2026-05-11 19:32
VLAI
Title
media: imon: fix access to invalid resource for the second interface
Summary
In the Linux kernel, the following vulnerability has been resolved: media: imon: fix access to invalid resource for the second interface imon driver probes two USB interfaces, and at the probe of the second interface, the driver assumes blindly that the first interface got bound with the same imon driver. It's usually true, but it's still possible that the first interface is bound with another driver via a malformed descriptor. Then it may lead to a memory corruption, as spotted by syzkaller; imon driver accesses the data from drvdata as struct imon_context object although it's a completely different one that was assigned by another driver. This patch adds a sanity check -- whether the first interface is really bound with the imon driver or not -- for avoiding the problem above at the probe time.
Severity
No CVSS data available.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-05-21 18:42 UTC
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: 21677cfc562a27e099719d413287bc8d1d24deb7 , < 0f5068519f89d928d6c51100e4b274479123829f (git)
Affected: 21677cfc562a27e099719d413287bc8d1d24deb7 , < 5e0b788fb96be36d1baf1a5c88d09c7c82a0452a (git)
Affected: 21677cfc562a27e099719d413287bc8d1d24deb7 , < b083aaf5db2eeca9e362723258e5d8698f7dd84e (git)
Affected: 21677cfc562a27e099719d413287bc8d1d24deb7 , < 10ec5a97f8f5a772a1a42b4eb27196b447cd3aa9 (git)
Affected: 21677cfc562a27e099719d413287bc8d1d24deb7 , < 2a493a34bd6e496c55fabedd82b957193ace178f (git)
Affected: 21677cfc562a27e099719d413287bc8d1d24deb7 , < a1766a4fd83befa0b34d932d532e7ebb7fab1fa7 (git)
guessed Create a notification for this product.
Linux Linux Affected: 2.6.35
Unaffected: 0 , < 2.6.35 (semver)
Unaffected: 5.10.202 , ≤ 5.10.* (semver)
Unaffected: 5.15.140 , ≤ 5.15.* (semver)
Unaffected: 6.1.64 , ≤ 6.1.* (semver)
Unaffected: 6.5.13 , ≤ 6.5.* (semver)
Unaffected: 6.6.3 , ≤ 6.6.* (semver)
Unaffected: 6.7 , ≤ * (original_commit_for_fix)
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            "value": "En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: medios: imon: corrige el acceso a un recurso no v\u00e1lido para la segunda interfaz. El controlador imon prueba dos interfaces USB y, en la prueba de la segunda interfaz, el controlador asume ciegamente que la primera interfaz obtuvo atado con el mismo conductor imon. Generalmente es cierto, pero a\u00fan es posible que la primera interfaz est\u00e9 vinculada con otro controlador a trav\u00e9s de un descriptor con formato incorrecto. Entonces puede provocar una corrupci\u00f3n de la memoria, como descubri\u00f3 syzkaller; El controlador imon accede a los datos de drvdata como objeto struct imon_context aunque es uno completamente diferente asignado por otro controlador. Este parche agrega una verificaci\u00f3n de cordura (si la primera interfaz est\u00e1 realmente vinculada con el controlador imon o no) para evitar el problema anterior en el momento de la prueba."
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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.



Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.