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CVE-2024-27040 (GCVE-0-2024-27040)

Vulnerability from cvelistv5 – Published: 2024-05-01 12:54 – Updated: 2026-05-11 20:09
VLAI
Title
drm/amd/display: Add 'replay' NULL check in 'edp_set_replay_allow_active()'
Summary
In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Add 'replay' NULL check in 'edp_set_replay_allow_active()' In the first if statement, we're checking if 'replay' is NULL. But in the second if statement, we're not checking if 'replay' is NULL again before calling replay->funcs->replay_set_power_opt(). if (replay == NULL && force_static) return false; ... if (link->replay_settings.replay_feature_enabled && replay->funcs->replay_set_power_opt) { replay->funcs->replay_set_power_opt(replay, *power_opts, panel_inst); link->replay_settings.replay_power_opt_active = *power_opts; } If 'replay' is NULL, this will cause a null pointer dereference. Fixes the below found by smatch: drivers/gpu/drm/amd/amdgpu/../display/dc/link/protocols/link_edp_panel_control.c:895 edp_set_replay_allow_active() error: we previously assumed 'replay' could be null (see line 887)
Severity
4.7 (Medium)
CVSS:3.1/AV:L/AC:H/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 2024-06-06 18:32 UTC
CWE
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: c7ddc0a800bc9f681a18c3bdd9f06b61adfabc11 , < f610c46771ef1047e46d61807aa7c69cd29e63d8 (git)
Affected: c7ddc0a800bc9f681a18c3bdd9f06b61adfabc11 , < e7cadd5d3a8ffe334d0229ba9eda4290138d56e7 (git)
Affected: c7ddc0a800bc9f681a18c3bdd9f06b61adfabc11 , < d0e94f4807ff0df66cf447d6b4bbb8ac830e99c3 (git)
Affected: c7ddc0a800bc9f681a18c3bdd9f06b61adfabc11 , < f6aed043ee5d75b3d1bfc452b1a9584b63c8f76b (git)
guessed Create a notification for this product.
Linux Linux Affected: 6.6
Unaffected: 0 , < 6.6 (semver)
Unaffected: 6.6.23 , ≤ 6.6.* (semver)
Unaffected: 6.7.11 , ≤ 6.7.* (semver)
Unaffected: 6.8.2 , ≤ 6.8.* (semver)
Unaffected: 6.9 , ≤ * (original_commit_for_fix)
guessed Create a notification for this product.
Show details on NVD website
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Corrige el siguiente error encontrado por smatch: drivers/gpu/drm/amd/amdgpu/../display/dc/link/protocols/link_edp_panel_control.c:895 edp_set_replay_allow_active(): previamente asumimos que \u0027repetir\u0027 podr\u00eda ser nulo (ver l\u00ednea 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    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2025-11-21T14:33:58+00:00",
      "cve": "CVE-2024-27040",
      "id": "CVE-2024-27040",
      "initial_release_date": "2024-05-01T00:00:00+00:00",
      "product_status:known_not_affected": "198",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: drm/amd/display: Add \u0026#39;replay\u0026#39; NULL check in \u0026#39;edp_set_replay_allow_active()\u0026#39;",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2024/cve-2024-27040.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-08-31T13:56:11Z",
      "cve": "CVE-2024-27040",
      "id": "CVE-2024-27040",
      "initial_release_date": "2024-05-03T02:09:36Z",
      "product_status:known_affected": "394",
      "product_status:known_not_affected": "385",
      "product_status:recommended": "209",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2024-27040",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2024-27040.json",
      "version": "56"
    },
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CVE Program Container\", \"references\": [{\"url\": \"https://git.kernel.org/stable/c/f610c46771ef1047e46d61807aa7c69cd29e63d8\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://git.kernel.org/stable/c/e7cadd5d3a8ffe334d0229ba9eda4290138d56e7\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://git.kernel.org/stable/c/d0e94f4807ff0df66cf447d6b4bbb8ac830e99c3\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://git.kernel.org/stable/c/f6aed043ee5d75b3d1bfc452b1a9584b63c8f76b\", \"tags\": [\"x_transferred\"]}], \"providerMetadata\": {\"orgId\": \"af854a3a-2127-422b-91ae-364da2661108\", \"shortName\": \"CVE\", \"dateUpdated\": \"2024-08-02T00:21:05.887Z\"}}, {\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 4.7, \"attackVector\": \"LOCAL\", \"baseSeverity\": \"MEDIUM\", \"vectorString\": \"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H\", \"integrityImpact\": \"NONE\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"HIGH\", \"availabilityImpact\": \"HIGH\", \"privilegesRequired\": \"LOW\", \"confidentialityImpact\": \"NONE\"}}, {\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2024-27040\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2024-06-06T18:32:42.758321Z\"}}}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"description\": \"CWE-noinfo Not enough information\"}]}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2024-06-06T18:32:47.251Z\"}}], \"cna\": {\"title\": \"drm/amd/display: Add \u0027replay\u0027 NULL check in \u0027edp_set_replay_allow_active()\u0027\", \"affected\": [{\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"c7ddc0a800bc9f681a18c3bdd9f06b61adfabc11\", \"lessThan\": \"f610c46771ef1047e46d61807aa7c69cd29e63d8\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"c7ddc0a800bc9f681a18c3bdd9f06b61adfabc11\", \"lessThan\": \"e7cadd5d3a8ffe334d0229ba9eda4290138d56e7\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"c7ddc0a800bc9f681a18c3bdd9f06b61adfabc11\", \"lessThan\": \"d0e94f4807ff0df66cf447d6b4bbb8ac830e99c3\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"c7ddc0a800bc9f681a18c3bdd9f06b61adfabc11\", \"lessThan\": \"f6aed043ee5d75b3d1bfc452b1a9584b63c8f76b\", \"versionType\": \"git\"}], \"programFiles\": [\"drivers/gpu/drm/amd/display/dc/link/protocols/link_edp_panel_control.c\"], \"defaultStatus\": \"unaffected\"}, {\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"6.6\"}, {\"status\": \"unaffected\", \"version\": \"0\", \"lessThan\": \"6.6\", \"versionType\": \"semver\"}, {\"status\": \"unaffected\", \"version\": \"6.6.23\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.6.*\"}, {\"status\": \"unaffected\", \"version\": \"6.7.11\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.7.*\"}, {\"status\": \"unaffected\", \"version\": \"6.8.2\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.8.*\"}, {\"status\": \"unaffected\", \"version\": \"6.9\", \"versionType\": \"original_commit_for_fix\", \"lessThanOrEqual\": \"*\"}], \"programFiles\": [\"drivers/gpu/drm/amd/display/dc/link/protocols/link_edp_panel_control.c\"], \"defaultStatus\": \"affected\"}], \"references\": [{\"url\": \"https://git.kernel.org/stable/c/f610c46771ef1047e46d61807aa7c69cd29e63d8\"}, {\"url\": \"https://git.kernel.org/stable/c/e7cadd5d3a8ffe334d0229ba9eda4290138d56e7\"}, {\"url\": \"https://git.kernel.org/stable/c/d0e94f4807ff0df66cf447d6b4bbb8ac830e99c3\"}, {\"url\": \"https://git.kernel.org/stable/c/f6aed043ee5d75b3d1bfc452b1a9584b63c8f76b\"}], \"x_generator\": {\"engine\": \"bippy-1.2.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\ndrm/amd/display: Add \u0027replay\u0027 NULL check in \u0027edp_set_replay_allow_active()\u0027\\n\\nIn the first if statement, we\u0027re checking if \u0027replay\u0027 is NULL. But in\\nthe second if statement, we\u0027re not checking if \u0027replay\u0027 is NULL again\\nbefore calling replay-\u003efuncs-\u003ereplay_set_power_opt().\\n\\nif (replay == NULL \u0026\u0026 force_static)\\n    return false;\\n\\n...\\n\\nif (link-\u003ereplay_settings.replay_feature_enabled \u0026\u0026\\n    replay-\u003efuncs-\u003ereplay_set_power_opt) {\\n\\treplay-\u003efuncs-\u003ereplay_set_power_opt(replay, *power_opts, panel_inst);\\n\\tlink-\u003ereplay_settings.replay_power_opt_active = *power_opts;\\n}\\n\\nIf \u0027replay\u0027 is NULL, this will cause a null pointer dereference.\\n\\nFixes the below found by smatch:\\ndrivers/gpu/drm/amd/amdgpu/../display/dc/link/protocols/link_edp_panel_control.c:895 edp_set_replay_allow_active() error: we previously assumed \u0027replay\u0027 could be null (see line 887)\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.6.23\", \"versionStartIncluding\": \"6.6\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.7.11\", \"versionStartIncluding\": \"6.6\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.8.2\", \"versionStartIncluding\": \"6.6\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.9\", \"versionStartIncluding\": \"6.6\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2025-05-04T09:02:53.763Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2024-27040\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-05-04T09:02:53.763Z\", \"dateReserved\": \"2024-02-19T14:20:24.212Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2024-05-01T12:54:00.645Z\", \"assignerShortName\": \"Linux\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}



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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

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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.


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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.