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Revertir el commit permite que la m\u00e1quina virtual de Steve se inicie nuevamente. [Obviamente, esto puede provocar que aparezcan nuevamente los mensajes \"[TTM] Error en el desalojo del b\u00fafer\", que fue el motivo de la reversi\u00f3n original. Pero en este punto esto parece preferible a un sistema sin arranque...]"}], "id": "CVE-2024-36944", "lastModified": "2025-04-01T18:35:48.893", "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"}]}, "published": "2024-05-30T16:15:17.387", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/148ed8b4d64f94ab079c8f0d88c3f444db97ba97"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/3628e0383dd349f02f882e612ab6184e4bb3dc10"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/3dfe35d8683daf9ba69278643efbabe40000bbf6"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/4a89ac4b0921c4ea21eb1b4cf3a469a91bacfcea"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/b548c53bc3ab83dc6fc86c8e840f013b2032267a"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/148ed8b4d64f94ab079c8f0d88c3f444db97ba97"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/3628e0383dd349f02f882e612ab6184e4bb3dc10"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/3dfe35d8683daf9ba69278643efbabe40000bbf6"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/4a89ac4b0921c4ea21eb1b4cf3a469a91bacfcea"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/b548c53bc3ab83dc6fc86c8e840f013b2032267a"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-667"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2024:9315", "cpe": "cpe:/a:redhat:enterprise_linux:9", "package": "kernel-0:5.14.0-503.11.1.el9_5", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2024-11-12T00:00:00Z"}, {"advisory": "RHSA-2024:9315", "cpe": "cpe:/o:redhat:enterprise_linux:9", "package": "kernel-0:5.14.0-503.11.1.el9_5", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2024-11-12T00:00:00Z"}], "bugzilla": {"description": "kernel: Reapply "drm/qxl: simplify qxl_fence_wait"", "id": "2284468", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2284468"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.4", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H", "status": "verified"}, "cwe": "CWE-833", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nReapply \"drm/qxl: simplify qxl_fence_wait\"\nThis reverts commit 07ed11afb68d94eadd4ffc082b97c2331307c5ea.\nStephen Rostedt reports:\n\"I went to run my tests on my VMs and the tests hung on boot up.\nUnfortunately, the most I ever got out was:\n[ 93.607888] Testing event system initcall: OK\n[ 93.667730] Running tests on all trace events:\n[ 93.669757] Testing all events: OK\n[ 95.631064] ------------[ cut here ]------------\nTimed out after 60 seconds\"\nand further debugging points to a possible circular locking dependency\nbetween the console_owner locking and the worker pool locking.\nReverting the commit allows Steve's VM to boot to completion again.\n[ This may obviously result in the \"[TTM] Buffer eviction failed\"\nmessages again, which was the reason for that original revert. But at\nthis point this seems preferable to a non-booting system... ]"], "name": "CVE-2024-36944", "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": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Under investigation", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Under investigation", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2024-05-30T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-36944\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-36944\nhttps://lore.kernel.org/linux-cve-announce/2024053038-CVE-2024-36944-9d15@gregkh/T"], "threat_severity": "Low"}