CVE-2025-40060 (GCVE-0-2025-40060)

Vulnerability from cvelistv5 – Published: 2025-10-28 11:48 – Updated: 2026-05-11 21:41
VLAI
Title
coresight: trbe: Return NULL pointer for allocation failures
Summary
In the Linux kernel, the following vulnerability has been resolved: coresight: trbe: Return NULL pointer for allocation failures When the TRBE driver fails to allocate a buffer, it currently returns the error code "-ENOMEM". However, the caller etm_setup_aux() only checks for a NULL pointer, so it misses the error. As a result, the driver continues and eventually causes a kernel panic. Fix this by returning a NULL pointer from arm_trbe_alloc_buffer() on allocation failures. This allows that the callers can properly handle the failure.
Severity
No CVSS data available.
Assigner
Linux CNA under the mitre root
CNA scorecard D 53/100 over 7063 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: 3fbf7f011f2426dac8c982f1d2ef469a7959a524 , < cef047e0a55cb07906fcaae99170f19a9c0bb6c2 (git)
Affected: 3fbf7f011f2426dac8c982f1d2ef469a7959a524 , < fe53a726d5edf864e80b490780cc135fc1adece9 (git)
Affected: 3fbf7f011f2426dac8c982f1d2ef469a7959a524 , < 9768536f82600a05ce901e31ccfabd92c027ff71 (git)
Affected: 3fbf7f011f2426dac8c982f1d2ef469a7959a524 , < 296da78494633e1ab5e2e74173a9c8683b04aa6b (git)
Affected: 3fbf7f011f2426dac8c982f1d2ef469a7959a524 , < f505a165f1c7cd37b4cb6952042a5984693a4067 (git)
Affected: 3fbf7f011f2426dac8c982f1d2ef469a7959a524 , < 8a55c161f7f9c1aa1c70611b39830d51c83ef36d (git)
guessed Create a notification for this product.
Linux Linux Affected: 5.13
Unaffected: 0 , < 5.13 (semver)
Unaffected: 5.15.195 , ≤ 5.15.* (semver)
Unaffected: 6.1.156 , ≤ 6.1.* (semver)
Unaffected: 6.6.112 , ≤ 6.6.* (semver)
Unaffected: 6.12.53 , ≤ 6.12.* (semver)
Unaffected: 6.17.3 , ≤ 6.17.* (semver)
Unaffected: 6.18 , ≤ * (original_commit_for_fix)
guessed Create a notification for this product.
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          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncoresight: trbe: Return NULL pointer for allocation failures\n\nWhen the TRBE driver fails to allocate a buffer, it currently returns\nthe error code \"-ENOMEM\". However, the caller etm_setup_aux() only\nchecks for a NULL pointer, so it misses the error. As a result, the\ndriver continues and eventually causes a kernel panic.\n\nFix this by returning a NULL pointer from arm_trbe_alloc_buffer() on\nallocation failures. This allows that the callers can properly handle\nthe failure."
        }
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        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
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    "datePublished": "2025-10-28T11:48:32.775Z",
    "dateReserved": "2025-04-16T07:20:57.158Z",
    "dateUpdated": "2026-05-11T21:41:42.316Z",
    "state": "PUBLISHED"
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            "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncoresight: trbe: Return NULL pointer for allocation failures\n\nWhen the TRBE driver fails to allocate a buffer, it currently returns\nthe error code \"-ENOMEM\". However, the caller etm_setup_aux() only\nchecks for a NULL pointer, so it misses the error. As a result, the\ndriver continues and eventually causes a kernel panic.\n\nFix this by returning a NULL pointer from arm_trbe_alloc_buffer() on\nallocation failures. This allows that the callers can properly handle\nthe failure."
          },
          {
            "lang": "es",
            "value": "En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\ncoresight: trbe: Devolver puntero NULL para fallos de asignaci\u00f3n\n\nCuando el controlador TRBE falla al asignar un b\u00fafer, actualmente devuelve el c\u00f3digo de error \u0027-ENOMEM\u0027. Sin embargo, la funci\u00f3n llamadora etm_setup_aux() solo comprueba un puntero NULL, por lo que omite el error. Como resultado, el controlador contin\u00faa y finalmente causa un p\u00e1nico del kernel.\n\nSolucionar esto devolviendo un puntero NULL desde arm_trbe_alloc_buffer() en fallos de asignaci\u00f3n. Esto permite que las funciones llamadoras puedan manejar correctamente el fallo."
          }
        ],
        "id": "CVE-2025-40060",
        "lastModified": "2026-10-19T21:10:00.160",
        "metrics": {},
        "published": "2025-10-28T12:15:40.377",
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      "title": "kernel: coresight: trbe: Return NULL pointer for allocation failures",
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      "version": "3"
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  }
}



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