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CVE-2024-50213 (GCVE-0-2024-50213)

Vulnerability from cvelistv5 – Published: 2024-11-09 10:14 – Updated: 2026-05-11 20:47
VLAI
Title
drm/tests: hdmi: Fix memory leaks in drm_display_mode_from_cea_vic()
Summary
In the Linux kernel, the following vulnerability has been resolved: drm/tests: hdmi: Fix memory leaks in drm_display_mode_from_cea_vic() modprobe drm_hdmi_state_helper_test and then rmmod it, 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 0xffffff80ccd18100 (size 128): comm "kunit_try_catch", pid 1851, jiffies 4295059695 hex dump (first 32 bytes): 57 62 00 00 80 02 90 02 f0 02 20 03 00 00 e0 01 Wb........ ..... ea 01 ec 01 0d 02 00 00 0a 00 00 00 00 00 00 00 ................ backtrace (crc c2f1aa95): [<000000000f10b11b>] kmemleak_alloc+0x34/0x40 [<000000001cd4cf73>] __kmalloc_cache_noprof+0x26c/0x2f4 [<00000000f1f3cffa>] drm_mode_duplicate+0x44/0x19c [<000000008cbeef13>] drm_display_mode_from_cea_vic+0x88/0x98 [<0000000019daaacf>] 0xffffffedc11ae69c [<000000000aad0f85>] kunit_try_run_case+0x13c/0x3ac [<00000000a9210bac>] kunit_generic_run_threadfn_adapter+0x80/0xec [<000000000a0b2e9e>] kthread+0x2e8/0x374 [<00000000bd668858>] 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: 4af70f19e55904147c0515ff874204a5306ac807 , < 3bc3fae8a0f22e0e713729b50e2111f6a8c64724 (git)
Affected: 4af70f19e55904147c0515ff874204a5306ac807 , < add4163aca0d4a86e9fe4aa513865e4237db8aef (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)
guessed Create a notification for this product.
Show details on NVD website
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            "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: drm/tests: hdmi: Se corrigen las p\u00e9rdidas de memoria en drm_display_mode_from_cea_vic() modprobe drm_hdmi_state_helper_test y luego rmmod, 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 0xffffff80ccd18100 (tama\u00f1o 128): comm \"kunit_try_catch\", pid 1851, jiffies 4295059695 volcado hexadecimal (primeros 32 bytes): 57 62 00 00 80 02 90 02 f0 02 20 03 00 00 e0 01 Wb........ ..... ea 01 ec 01 0d 02 00 00 0a 00 00 00 00 00 00 00 ................ backtrace (crc c2f1aa95): [\u0026lt;000000000f10b11b\u0026gt;] kmemleak_alloc+0x34/0x40 [\u0026lt;000000001cd4cf73\u0026gt;] __kmalloc_cache_noprof+0x26c/0x2f4 [\u0026lt;00000000f1f3cffa\u0026gt;] modo drm_duplicado+0x44/0x19c [\u0026lt;000000008cbeef13\u0026gt;] modo de visualizaci\u00f3n drm_desde_cea_vic+0x88/0x98 [\u0026lt;0000000019daaacf\u0026gt;] 0xffffffedc11ae69c [\u0026lt;000000000aad0f85\u0026gt;] caso de ejecuci\u00f3n de intentos kunit+0x13c/0x3ac [\u0026lt;00000000a9210bac\u0026gt;] kunit_generic_run_threadfn_adapter+0x80/0xec [\u0026lt;000000000a0b2e9e\u0026gt;] kthread+0x2e8/0x374 [\u0026lt;00000000bd668858\u0026gt;] ret_from_fork+0x10/0x20 ...... Libere el `modo` usando drm_kunit_display_mode_from_cea_vic() para solucionarlo."
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              "dateUpdated": "2025-10-01T15:22:41.329Z",
              "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "shortName": "CISA-ADP"
            },
            "title": "CISA ADP Vulnrichment"
          }
        ],
        "cna": {
          "affected": [
            {
              "defaultStatus": "unaffected",
              "product": "Linux",
              "programFiles": [
                "drivers/gpu/drm/tests/drm_hdmi_state_helper_test.c"
              ],
              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "vendor": "Linux",
              "versions": [
                {
                  "lessThan": "3bc3fae8a0f22e0e713729b50e2111f6a8c64724",
                  "status": "affected",
                  "version": "4af70f19e55904147c0515ff874204a5306ac807",
                  "versionType": "git"
                },
                {
                  "lessThan": "add4163aca0d4a86e9fe4aa513865e4237db8aef",
                  "status": "affected",
                  "version": "4af70f19e55904147c0515ff874204a5306ac807",
                  "versionType": "git"
                }
              ]
            },
            {
              "defaultStatus": "affected",
              "product": "Linux",
              "programFiles": [
                "drivers/gpu/drm/tests/drm_hdmi_state_helper_test.c"
              ],
              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "vendor": "Linux",
              "versions": [
                {
                  "status": "affected",
                  "version": "6.11"
                },
                {
                  "lessThan": "6.11",
                  "status": "unaffected",
                  "version": "0",
                  "versionType": "semver"
                },
                {
                  "lessThanOrEqual": "6.11.*",
                  "status": "unaffected",
                  "version": "6.11.7",
                  "versionType": "semver"
                },
                {
                  "lessThanOrEqual": "*",
                  "status": "unaffected",
                  "version": "6.12",
                  "versionType": "original_commit_for_fix"
                }
              ]
            }
          ],
          "cpeApplicability": [
            {
              "nodes": [
                {
                  "cpeMatch": [
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "6.11.7",
                      "versionStartIncluding": "6.11",
                      "vulnerable": true
                    },
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "6.12",
                      "versionStartIncluding": "6.11",
                      "vulnerable": true
                    }
                  ],
                  "negate": false,
                  "operator": "OR"
                }
              ]
            }
          ],
          "descriptions": [
            {
              "lang": "en",
              "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/tests: hdmi: Fix memory leaks in drm_display_mode_from_cea_vic()\n\nmodprobe drm_hdmi_state_helper_test and then rmmod it, the following\nmemory 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 0xffffff80ccd18100 (size 128):\n\t  comm \"kunit_try_catch\", pid 1851, jiffies 4295059695\n\t  hex dump (first 32 bytes):\n\t    57 62 00 00 80 02 90 02 f0 02 20 03 00 00 e0 01  Wb........ .....\n\t    ea 01 ec 01 0d 02 00 00 0a 00 00 00 00 00 00 00  ................\n\t  backtrace (crc c2f1aa95):\n\t    [\u003c000000000f10b11b\u003e] kmemleak_alloc+0x34/0x40\n\t    [\u003c000000001cd4cf73\u003e] __kmalloc_cache_noprof+0x26c/0x2f4\n\t    [\u003c00000000f1f3cffa\u003e] drm_mode_duplicate+0x44/0x19c\n\t    [\u003c000000008cbeef13\u003e] drm_display_mode_from_cea_vic+0x88/0x98\n\t    [\u003c0000000019daaacf\u003e] 0xffffffedc11ae69c\n\t    [\u003c000000000aad0f85\u003e] kunit_try_run_case+0x13c/0x3ac\n\t    [\u003c00000000a9210bac\u003e] kunit_generic_run_threadfn_adapter+0x80/0xec\n\t    [\u003c000000000a0b2e9e\u003e] kthread+0x2e8/0x374\n\t    [\u003c00000000bd668858\u003e] ret_from_fork+0x10/0x20\n\t......\n\nFree `mode` by using drm_kunit_display_mode_from_cea_vic()\nto fix it."
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2026-05-11T20:47:36.777Z",
            "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "shortName": "Linux"
          },
          "references": [
            {
              "url": "https://git.kernel.org/stable/c/3bc3fae8a0f22e0e713729b50e2111f6a8c64724"
            },
            {
              "url": "https://git.kernel.org/stable/c/add4163aca0d4a86e9fe4aa513865e4237db8aef"
            }
          ],
          "title": "drm/tests: hdmi: Fix memory leaks in drm_display_mode_from_cea_vic()",
          "x_generator": {
            "engine": "bippy-1.2.0"
          }
        }
      },
      "cveMetadata": {
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "assignerShortName": "Linux",
        "cveId": "CVE-2024-50213",
        "datePublished": "2024-11-09T10:14:25.218Z",
        "dateReserved": "2024-10-21T19:36:19.971Z",
        "dateUpdated": "2026-05-11T20:47:36.777Z",
        "state": "PUBLISHED"
      },
      "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.