CVE-2024-49954 (GCVE-0-2024-49954)

Vulnerability from cvelistv5 – Published: 2024-10-21 18:02 – Updated: 2026-05-11 20:42
VLAI?
Title
static_call: Replace pointless WARN_ON() in static_call_module_notify()
Summary
In the Linux kernel, the following vulnerability has been resolved: static_call: Replace pointless WARN_ON() in static_call_module_notify() static_call_module_notify() triggers a WARN_ON(), when memory allocation fails in __static_call_add_module(). That's not really justified, because the failure case must be correctly handled by the well known call chain and the error code is passed through to the initiating userspace application. A memory allocation fail is not a fatal problem, but the WARN_ON() takes the machine out when panic_on_warn is set. Replace it with a pr_warn().
Severity ?
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 9183c3f9ed710a8edf1a61e8a96d497258d26e08 , < bc9356513d56b688775497b7ac6f2b967f46a80c (git)
Affected: 9183c3f9ed710a8edf1a61e8a96d497258d26e08 , < ea2cdf4da093d0482f0ef36ba971e2e0c7673425 (git)
Affected: 9183c3f9ed710a8edf1a61e8a96d497258d26e08 , < e67534bd31d79952b50e791e92adf0b3e6c13b8c (git)
Affected: 9183c3f9ed710a8edf1a61e8a96d497258d26e08 , < 85a104aaef1f56623acc10ba4c42d5f046ba65b7 (git)
Affected: 9183c3f9ed710a8edf1a61e8a96d497258d26e08 , < b83bef74c121a3311240fc4002d23486b85355e4 (git)
Affected: 9183c3f9ed710a8edf1a61e8a96d497258d26e08 , < fe513c2ef0a172a58f158e2e70465c4317f0a9a2 (git)
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Linux Linux Affected: 5.10
Unaffected: 0 , < 5.10 (semver)
Unaffected: 5.15.168 , ≤ 5.15.* (semver)
Unaffected: 6.1.113 , ≤ 6.1.* (semver)
Unaffected: 6.6.55 , ≤ 6.6.* (semver)
Unaffected: 6.10.14 , ≤ 6.10.* (semver)
Unaffected: 6.11.3 , ≤ 6.11.* (semver)
Unaffected: 6.12 , ≤ * (original_commit_for_fix)
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\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"9183c3f9ed710a8edf1a61e8a96d497258d26e08\", \"lessThan\": \"bc9356513d56b688775497b7ac6f2b967f46a80c\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"9183c3f9ed710a8edf1a61e8a96d497258d26e08\", \"lessThan\": \"ea2cdf4da093d0482f0ef36ba971e2e0c7673425\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"9183c3f9ed710a8edf1a61e8a96d497258d26e08\", \"lessThan\": \"e67534bd31d79952b50e791e92adf0b3e6c13b8c\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"9183c3f9ed710a8edf1a61e8a96d497258d26e08\", \"lessThan\": \"85a104aaef1f56623acc10ba4c42d5f046ba65b7\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"9183c3f9ed710a8edf1a61e8a96d497258d26e08\", \"lessThan\": \"b83bef74c121a3311240fc4002d23486b85355e4\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"9183c3f9ed710a8edf1a61e8a96d497258d26e08\", \"lessThan\": \"fe513c2ef0a172a58f158e2e70465c4317f0a9a2\", \"versionType\": \"git\"}], \"programFiles\": [\"kernel/static_call_inline.c\"], \"defaultStatus\": \"unaffected\"}, {\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"5.10\"}, {\"status\": \"unaffected\", \"version\": \"0\", \"lessThan\": \"5.10\", \"versionType\": \"semver\"}, {\"status\": \"unaffected\", \"version\": \"5.15.168\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.15.*\"}, {\"status\": \"unaffected\", \"version\": \"6.1.113\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.1.*\"}, {\"status\": \"unaffected\", \"version\": \"6.6.55\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.6.*\"}, {\"status\": \"unaffected\", \"version\": \"6.10.14\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.10.*\"}, {\"status\": \"unaffected\", \"version\": \"6.11.3\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.11.*\"}, {\"status\": \"unaffected\", \"version\": \"6.12\", \"versionType\": \"original_commit_for_fix\", \"lessThanOrEqual\": \"*\"}], \"programFiles\": [\"kernel/static_call_inline.c\"], \"defaultStatus\": \"affected\"}], \"references\": [{\"url\": \"https://git.kernel.org/stable/c/bc9356513d56b688775497b7ac6f2b967f46a80c\"}, {\"url\": \"https://git.kernel.org/stable/c/ea2cdf4da093d0482f0ef36ba971e2e0c7673425\"}, {\"url\": \"https://git.kernel.org/stable/c/e67534bd31d79952b50e791e92adf0b3e6c13b8c\"}, {\"url\": \"https://git.kernel.org/stable/c/85a104aaef1f56623acc10ba4c42d5f046ba65b7\"}, {\"url\": \"https://git.kernel.org/stable/c/b83bef74c121a3311240fc4002d23486b85355e4\"}, {\"url\": \"https://git.kernel.org/stable/c/fe513c2ef0a172a58f158e2e70465c4317f0a9a2\"}], \"x_generator\": {\"engine\": \"bippy-1.2.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\nstatic_call: Replace pointless WARN_ON() in static_call_module_notify()\\n\\nstatic_call_module_notify() triggers a WARN_ON(), when memory allocation\\nfails in __static_call_add_module().\\n\\nThat\u0027s not really justified, because the failure case must be correctly\\nhandled by the well known call chain and the error code is passed\\nthrough to the initiating userspace application.\\n\\nA memory allocation fail is not a fatal problem, but the WARN_ON() takes\\nthe machine out when panic_on_warn is set.\\n\\nReplace it with a pr_warn().\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.15.168\", \"versionStartIncluding\": \"5.10\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.1.113\", \"versionStartIncluding\": \"5.10\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.6.55\", \"versionStartIncluding\": \"5.10\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.10.14\", \"versionStartIncluding\": \"5.10\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.11.3\", \"versionStartIncluding\": \"5.10\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.12\", \"versionStartIncluding\": \"5.10\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2025-05-04T09:42:15.276Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2024-49954\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-11-03T22:23:33.788Z\", \"dateReserved\": \"2024-10-21T12:17:06.047Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2024-10-21T18:02:09.064Z\", \"assignerShortName\": \"Linux\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}


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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.