CVE-2024-27041

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NULL in\n'adev->dm.dc' before dc_deinit_callbacks() and dc_dmub_srv_destroy().\nClean up by combining them all under one 'if'.\n\nFound by Linux Verification Center (linuxtesting.org) with static\nanalysis tool SVACE."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c"], "versions": [{"version": "81927e2808be5adace93c2012d45d6938d3a7aa0", "lessThan": "cef0f2fe65ccee638e48fd5c1d590a3c0539acdd", "status": "affected", "versionType": "git"}, {"version": "81927e2808be5adace93c2012d45d6938d3a7aa0", "lessThan": "e040f1fbe9abae91b12b074cfc3bbb5367b79811", "status": "affected", "versionType": "git"}, {"version": "81927e2808be5adace93c2012d45d6938d3a7aa0", "lessThan": "ca2eb375db76fd50f31afdd67d6ca4f833254957", "status": "affected", "versionType": "git"}, {"version": "81927e2808be5adace93c2012d45d6938d3a7aa0", 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Adem\u00e1s, desde la confirmaci\u00f3n 1e88eb1b2c25 (\"drm/amd/display: Drop CONFIG_DRM_AMD_DC_HDCP\") hay dos comprobaciones separadas para NULL en 'adev->dm.dc' antes de dc_deinit_callbacks() y dc_dmub_srv_destroy(). Limpia combin\u00e1ndolos todos bajo un solo \"si\". Encontrado por el Centro de verificaci\u00f3n de Linux (linuxtesting.org) con la herramienta de an\u00e1lisis est\u00e1tico SVACE."}], "id": "CVE-2024-27041", "lastModified": "2026-10-30T13:17:25.250", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2024-27041", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2024-05-24T14:44:31.681685Z", "version": "2.0.3"}}]}, "published": "2024-05-01T13:15:49.647", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/1c62697e4086de988b31124fb8c79c244ea05f2b"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/2a3cfb9a24a28da9cc13d2c525a76548865e182c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/ca2eb375db76fd50f31afdd67d6ca4f833254957"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/cef0f2fe65ccee638e48fd5c1d590a3c0539acdd"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/e040f1fbe9abae91b12b074cfc3bbb5367b79811"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/1c62697e4086de988b31124fb8c79c244ea05f2b"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/2a3cfb9a24a28da9cc13d2c525a76548865e182c"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/ca2eb375db76fd50f31afdd67d6ca4f833254957"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/e040f1fbe9abae91b12b074cfc3bbb5367b79811"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-476"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{"bugzilla": {"description": "kernel: drm/amd/display: fix NULL checks for adev->dm.dc in amdgpu_dm_fini()", "id": "2278450", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2278450"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "details": ["In the Linux kernel, the following vulnerability has been resolved:\ndrm/amd/display: fix NULL checks for adev->dm.dc in amdgpu_dm_fini()\nSince 'adev->dm.dc' in amdgpu_dm_fini() might turn out to be NULL\nbefore the call to dc_enable_dmub_notifications(), check\nbeforehand to ensure there will not be a possible NULL-ptr-deref\nthere.\nAlso, since commit 1e88eb1b2c25 (\"drm/amd/display: Drop\nCONFIG_DRM_AMD_DC_HDCP\") there are two separate checks for NULL in\n'adev->dm.dc' before dc_deinit_callbacks() and dc_dmub_srv_destroy().\nClean up by combining them all under one 'if'.\nFound by Linux Verification Center (linuxtesting.org) with static\nanalysis tool SVACE.", "A vulnerability was found in the Linux kernel's AMD amdgpu_dm.c driver, where a lack of proper checks in the amdgpu_dm_fini() function could result in a NULL pointer dereference. This scenario can occur when attempting to access the value adev->dm.dc and could lead to memory corruption or system instability."], "mitigation": {"lang": "en:us", "value": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability."}, "name": "CVE-2024-27041", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2024-05-01T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-27041\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-27041\nhttps://lore.kernel.org/linux-cve-announce/2024050112-CVE-2024-27041-7bf4@gregkh/T"], "statement": "Red Hat Enterprise Linux is not impacted by this CVE, as the vulnerability in question does not affect the specific versions or configurations of the Linux kernel used in its distributions. This ensures that users of Red Hat Enterprise Linux are not exposed to the potential risks associated with this issue, and no further action or mitigation is necessary for systems running this operating system.", "threat_severity": "Moderate"}

{}