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CVE-2024-50214 (GCVE-0-2024-50214)

Vulnerability from cvelistv5 – Published: 2024-11-09 10:14 – Updated: 2026-05-11 20:47
VLAI
Title
drm/connector: hdmi: Fix memory leak in drm_display_mode_from_cea_vic()
Summary
In the Linux kernel, the following vulnerability has been resolved: drm/connector: hdmi: Fix memory leak in drm_display_mode_from_cea_vic() modprobe drm_connector_test and then rmmod drm_connector_test, the following memory leak occurs. The `mode` allocated in drm_mode_duplicate() called by drm_display_mode_from_cea_vic() is not freed, which cause the memory leak: unreferenced object 0xffffff80cb0ee400 (size 128): comm "kunit_try_catch", pid 1948, jiffies 4294950339 hex dump (first 32 bytes): 14 44 02 00 80 07 d8 07 04 08 98 08 00 00 38 04 .D............8. 3c 04 41 04 65 04 00 00 05 00 00 00 00 00 00 00 <.A.e........... backtrace (crc 90e9585c): [<00000000ec42e3d7>] kmemleak_alloc+0x34/0x40 [<00000000d0ef055a>] __kmalloc_cache_noprof+0x26c/0x2f4 [<00000000c2062161>] drm_mode_duplicate+0x44/0x19c [<00000000f96c74aa>] drm_display_mode_from_cea_vic+0x88/0x98 [<00000000d8f2c8b4>] 0xffffffdc982a4868 [<000000005d164dbc>] kunit_try_run_case+0x13c/0x3ac [<000000006fb23398>] kunit_generic_run_threadfn_adapter+0x80/0xec [<000000006ea56ca0>] kthread+0x2e8/0x374 [<000000000676063f>] ret_from_fork+0x10/0x20 ...... Free `mode` by using drm_kunit_display_mode_from_cea_vic() to fix it.
Severity
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-10-01 20:17 UTC
CWE
  • CWE-401 - Missing Release of Memory after Effective Lifetime
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: abb6f74973e20956d42e8227dde6fb4e92502c14 , < df2b00685cd33cd85be8910c7d6d22c4ebbf18bb (git)
Affected: abb6f74973e20956d42e8227dde6fb4e92502c14 , < 926163342a2e7595d950e84c17c693b1272bd491 (git)
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Linux Linux Affected: 6.11
Unaffected: 0 , < 6.11 (semver)
Unaffected: 6.11.7 , ≤ 6.11.* (semver)
Unaffected: 6.12 , ≤ * (original_commit_for_fix)
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Show details on NVD website
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    "nvd": "{\"cve\":{\"id\":\"CVE-2024-50214\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-11-09T11:15:06.777\",\"lastModified\":\"2026-06-17T08:03:53.523\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\ndrm/connector: hdmi: Fix memory leak in drm_display_mode_from_cea_vic()\\n\\nmodprobe drm_connector_test and then rmmod drm_connector_test,\\nthe following memory leak occurs.\\n\\nThe `mode` allocated in drm_mode_duplicate() called by\\ndrm_display_mode_from_cea_vic() is not freed, which cause the memory leak:\\n\\n\\tunreferenced object 0xffffff80cb0ee400 (size 128):\\n\\t  comm \\\"kunit_try_catch\\\", pid 1948, jiffies 4294950339\\n\\t  hex dump (first 32 bytes):\\n\\t    14 44 02 00 80 07 d8 07 04 08 98 08 00 00 38 04  .D............8.\\n\\t    3c 04 41 04 65 04 00 00 05 00 00 00 00 00 00 00  \u003c.A.e...........\\n\\t  backtrace (crc 90e9585c):\\n\\t    [\u003c00000000ec42e3d7\u003e] kmemleak_alloc+0x34/0x40\\n\\t    [\u003c00000000d0ef055a\u003e] __kmalloc_cache_noprof+0x26c/0x2f4\\n\\t    [\u003c00000000c2062161\u003e] drm_mode_duplicate+0x44/0x19c\\n\\t    [\u003c00000000f96c74aa\u003e] drm_display_mode_from_cea_vic+0x88/0x98\\n\\t    [\u003c00000000d8f2c8b4\u003e] 0xffffffdc982a4868\\n\\t    [\u003c000000005d164dbc\u003e] kunit_try_run_case+0x13c/0x3ac\\n\\t    [\u003c000000006fb23398\u003e] kunit_generic_run_threadfn_adapter+0x80/0xec\\n\\t    [\u003c000000006ea56ca0\u003e] kthread+0x2e8/0x374\\n\\t    [\u003c000000000676063f\u003e] ret_from_fork+0x10/0x20\\n\\t......\\n\\nFree `mode` by using drm_kunit_display_mode_from_cea_vic()\\nto fix it.\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: drm/connector: hdmi: Se corrige la p\u00e9rdida de memoria en drm_display_mode_from_cea_vic() modprobe drm_connector_test y luego rmmod drm_connector_test, se produce la siguiente p\u00e9rdida de memoria. El `modo` asignado en drm_mode_duplicate() llamado por drm_display_mode_from_cea_vic() no se libera, lo que causa la p\u00e9rdida de memoria: objeto sin referencia 0xffffff80cb0ee400 (tama\u00f1o 128): comm \\\"kunit_try_catch\\\", pid 1948, jiffies 4294950339 volcado hexadecimal (primeros 32 bytes): 14 44 02 00 80 07 d8 07 04 08 98 08 00 00 38 04 .D............8. 3c 04 41 04 65 04 00 00 05 00 00 00 00 00 00 00 \u0026lt;.Ae.......... seguimiento inverso (crc 90e9585c): [\u0026lt;00000000ec42e3d7\u0026gt;] kmemleak_alloc+0x34/0x40 [\u0026lt;00000000d0ef055a\u0026gt;] __kmalloc_cache_noprof+0x26c/0x2f4 [\u0026lt;00000000c2062161\u0026gt;] drm_mode_duplicate+0x44/0x19c [\u0026lt;00000000f96c74aa\u0026gt;] drm_display_mode_from_cea_vic+0x88/0x98 [\u0026lt;00000000d8f2c8b4\u0026gt;] 0xffffffdc982a4868 [\u0026lt;000000005d164dbc\u0026gt;] kunit_try_run_case+0x13c/0x3ac [\u0026lt;000000006fb23398\u0026gt;] kunit_generic_run_threadfn_adapter+0x80/0xec [\u0026lt;000000006ea56ca0\u0026gt;] kthread+0x2e8/0x374 [\u0026lt;000000000676063f\u0026gt;] ret_from_fork+0x10/0x20 ...... Libere el `modo` usando drm_kunit_display_mode_from_cea_vic() para solucionarlo.\"}],\"affected\":[{\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"affectedData\":[{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"unaffected\",\"programFiles\":[\"drivers/gpu/drm/tests/drm_connector_test.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"abb6f74973e20956d42e8227dde6fb4e92502c14\",\"lessThan\":\"df2b00685cd33cd85be8910c7d6d22c4ebbf18bb\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"abb6f74973e20956d42e8227dde6fb4e92502c14\",\"lessThan\":\"926163342a2e7595d950e84c17c693b1272bd491\",\"versionType\":\"git\",\"status\":\"affected\"}]},{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"affected\",\"programFiles\":[\"drivers/gpu/drm/tests/drm_connector_test.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"6.11\",\"status\":\"affected\"},{\"version\":\"0\",\"lessThan\":\"6.11\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.11.7\",\"lessThanOrEqual\":\"6.11.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.12\",\"lessThanOrEqual\":\"*\",\"versionType\":\"original_commit_for_fix\",\"status\":\"unaffected\"}]}]}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H\",\"baseScore\":5.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":3.6},{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H\",\"baseScore\":5.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":3.6}],\"ssvcV203\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"ssvcData\":{\"timestamp\":\"2025-10-01T20:17:12.529383Z\",\"id\":\"CVE-2024-50214\",\"options\":[{\"exploitation\":\"none\"},{\"automatable\":\"no\"},{\"technicalImpact\":\"partial\"}],\"role\":\"CISA Coordinator\",\"version\":\"2.0.3\"}}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-401\"}]},{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-401\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.11\",\"versionEndExcluding\":\"6.11.7\",\"matchCriteriaId\":\"386941FE-51A4-4893-9EC3-054AD3863E8D\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.12:rc1:*:*:*:*:*:*\",\"matchCriteriaId\":\"7F361E1D-580F-4A2D-A509-7615F73167A1\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.12:rc2:*:*:*:*:*:*\",\"matchCriteriaId\":\"925478D0-3E3D-4E6F-ACD5-09F28D5DF82C\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.12:rc3:*:*:*:*:*:*\",\"matchCriteriaId\":\"3C95E234-D335-4B6C-96BF-E2CEBD8654ED\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.12:rc4:*:*:*:*:*:*\",\"matchCriteriaId\":\"E0F717D8-3014-4F84-8086-0124B2111379\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.12:rc5:*:*:*:*:*:*\",\"matchCriteriaId\":\"24DBE6C7-2AAE-4818-AED2-E131F153D2FA\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/926163342a2e7595d950e84c17c693b1272bd491\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/df2b00685cd33cd85be8910c7d6d22c4ebbf18bb\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]}]}}",
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      "source": "Red Hat CSAF VEX",
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      "title": "kernel: drm/connector: hdmi: Fix memory leak in drm_display_mode_from_cea_vic()",
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    },
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 5.5, \"attackVector\": \"LOCAL\", \"baseSeverity\": \"MEDIUM\", \"vectorString\": \"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H\", \"integrityImpact\": \"NONE\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"HIGH\", \"privilegesRequired\": \"LOW\", \"confidentialityImpact\": \"NONE\"}}, {\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2024-50214\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2025-10-01T20:17:12.529383Z\"}}}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-401\", \"description\": \"CWE-401 Missing Release of Memory after Effective Lifetime\"}]}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2025-10-01T15:22:46.769Z\"}}], \"cna\": {\"title\": \"drm/connector: hdmi: Fix memory leak in drm_display_mode_from_cea_vic()\", \"affected\": [{\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"abb6f74973e20956d42e8227dde6fb4e92502c14\", \"lessThan\": \"df2b00685cd33cd85be8910c7d6d22c4ebbf18bb\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"abb6f74973e20956d42e8227dde6fb4e92502c14\", \"lessThan\": \"926163342a2e7595d950e84c17c693b1272bd491\", \"versionType\": \"git\"}], \"programFiles\": [\"drivers/gpu/drm/tests/drm_connector_test.c\"], \"defaultStatus\": \"unaffected\"}, {\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"6.11\"}, {\"status\": \"unaffected\", \"version\": \"0\", \"lessThan\": \"6.11\", \"versionType\": \"semver\"}, {\"status\": \"unaffected\", \"version\": \"6.11.7\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.11.*\"}, {\"status\": \"unaffected\", \"version\": \"6.12\", \"versionType\": \"original_commit_for_fix\", \"lessThanOrEqual\": \"*\"}], \"programFiles\": [\"drivers/gpu/drm/tests/drm_connector_test.c\"], \"defaultStatus\": \"affected\"}], \"references\": [{\"url\": \"https://git.kernel.org/stable/c/df2b00685cd33cd85be8910c7d6d22c4ebbf18bb\"}, {\"url\": \"https://git.kernel.org/stable/c/926163342a2e7595d950e84c17c693b1272bd491\"}], \"x_generator\": {\"engine\": \"bippy-1.2.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\ndrm/connector: hdmi: Fix memory leak in drm_display_mode_from_cea_vic()\\n\\nmodprobe drm_connector_test and then rmmod drm_connector_test,\\nthe following memory leak occurs.\\n\\nThe `mode` allocated in drm_mode_duplicate() called by\\ndrm_display_mode_from_cea_vic() is not freed, which cause the memory leak:\\n\\n\\tunreferenced object 0xffffff80cb0ee400 (size 128):\\n\\t  comm \\\"kunit_try_catch\\\", pid 1948, jiffies 4294950339\\n\\t  hex dump (first 32 bytes):\\n\\t    14 44 02 00 80 07 d8 07 04 08 98 08 00 00 38 04  .D............8.\\n\\t    3c 04 41 04 65 04 00 00 05 00 00 00 00 00 00 00  \u003c.A.e...........\\n\\t  backtrace (crc 90e9585c):\\n\\t    [\u003c00000000ec42e3d7\u003e] kmemleak_alloc+0x34/0x40\\n\\t    [\u003c00000000d0ef055a\u003e] __kmalloc_cache_noprof+0x26c/0x2f4\\n\\t    [\u003c00000000c2062161\u003e] drm_mode_duplicate+0x44/0x19c\\n\\t    [\u003c00000000f96c74aa\u003e] drm_display_mode_from_cea_vic+0x88/0x98\\n\\t    [\u003c00000000d8f2c8b4\u003e] 0xffffffdc982a4868\\n\\t    [\u003c000000005d164dbc\u003e] kunit_try_run_case+0x13c/0x3ac\\n\\t    [\u003c000000006fb23398\u003e] kunit_generic_run_threadfn_adapter+0x80/0xec\\n\\t    [\u003c000000006ea56ca0\u003e] kthread+0x2e8/0x374\\n\\t    [\u003c000000000676063f\u003e] ret_from_fork+0x10/0x20\\n\\t......\\n\\nFree `mode` by using drm_kunit_display_mode_from_cea_vic()\\nto fix it.\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.11.7\", \"versionStartIncluding\": \"6.11\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.12\", \"versionStartIncluding\": \"6.11\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2026-05-11T20:47:37.922Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2024-50214\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-05-11T20:47:37.922Z\", \"dateReserved\": \"2024-10-21T19:36:19.971Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2024-11-09T10:14:26.138Z\", \"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.


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.