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Tenga en cuenta que skb_mark_for_recycle() se introduce m\u00e1s tarde que la etiqueta de correcci\u00f3n en el commit 6a5bcd84e886 (\"page_pool: permitir que los controladores indiquen el reciclaje de SKB\"). Se cree que a la etiqueta de correcciones le faltaba una llamada a page_pool_release_page() entre v5.9 y v5.14, despu\u00e9s de lo cual deber\u00eda haber usado skb_mark_for_recycle(). Desde v6.6, la llamada page_pool_release_page() se elimin\u00f3 (en el commit 535b9c61bdef (\"net: page_pool: hide page_pool_release_page()\") y las personas que llaman restantes se convirtieron (en el commit 6bfef2ec0172 (\"Merge Branch 'net-page_pool-remove-page_pool_release_page'\") ). Esta fuga se hizo visible en la versi\u00f3n 6.8 mediante el commit dba1b8a7ab68 (\"mm/page_pool: captura p\u00e9rdidas de memoria en page_pool\")."}], "id": "CVE-2024-27393", "lastModified": "2025-04-08T19:42:11.457", "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": "2024-05-14T15:12:26.993", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/037965402a010898d34f4e35327d22c0a95cd51f"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/27aa3e4b3088426b7e34584274ad45b5afaf7629"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/4143b9479caa29bb2380f3620dcbe16ea84eb3b1"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/7c1250796b6c262b505a46192f4716b8c6a6a8c6"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/c8b7b2f158d9d4fb89cd2f68244af154f7549bb4"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2024/05/08/4"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "http://xenbits.xen.org/xsa/advisory-457.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/037965402a010898d34f4e35327d22c0a95cd51f"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/27aa3e4b3088426b7e34584274ad45b5afaf7629"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/4143b9479caa29bb2380f3620dcbe16ea84eb3b1"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/7c1250796b6c262b505a46192f4716b8c6a6a8c6"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/c8b7b2f158d9d4fb89cd2f68244af154f7549bb4"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-401"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2024:4349", "cpe": "cpe:/a:redhat:enterprise_linux:9", "package": "kernel-0:5.14.0-427.24.1.el9_4", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2024-07-08T00:00:00Z"}, {"advisory": "RHSA-2024:4349", "cpe": "cpe:/o:redhat:enterprise_linux:9", "package": "kernel-0:5.14.0-427.24.1.el9_4", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2024-07-08T00:00:00Z"}, {"advisory": "RHSA-2024:5257", "cpe": "cpe:/a:redhat:rhel_e4s:9.0", "package": "kernel-0:5.14.0-70.112.1.el9_0", "product_name": "Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions", "release_date": "2024-08-13T00:00:00Z"}, {"advisory": "RHSA-2024:4108", "cpe": "cpe:/a:redhat:rhel_eus:9.2", "package": "kernel-0:5.14.0-284.71.1.el9_2", "product_name": "Red Hat Enterprise Linux 9.2 Extended Update Support", "release_date": "2024-06-26T00:00:00Z"}, {"advisory": "RHSA-2024:4106", "cpe": "cpe:/a:redhat:rhel_eus:9.2::nfv", "package": "kernel-rt-0:5.14.0-284.71.1.rt14.356.el9_2", "product_name": "Red Hat Enterprise Linux 9.2 Extended Update Support", "release_date": "2024-06-26T00:00:00Z"}], "bugzilla": {"description": "kernel: xen-netfront: Add missing skb_mark_for_recycle", "id": "2280745", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2280745"}, "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": "verified"}, "details": ["In the Linux kernel, the following vulnerability has been resolved:\nxen-netfront: Add missing skb_mark_for_recycle\nNotice that skb_mark_for_recycle() is introduced later than fixes tag in\ncommit 6a5bcd84e886 (\"page_pool: Allow drivers to hint on SKB recycling\").\nIt is believed that fixes tag were missing a call to page_pool_release_page()\nbetween v5.9 to v5.14, after which is should have used skb_mark_for_recycle().\nSince v6.6 the call page_pool_release_page() were removed (in\ncommit 535b9c61bdef (\"net: page_pool: hide page_pool_release_page()\")\nand remaining callers converted (in commit 6bfef2ec0172 (\"Merge branch\n'net-page_pool-remove-page_pool_release_page'\")).\nThis leak became visible in v6.8 via commit dba1b8a7ab68 (\"mm/page_pool: catch\npage_pool memory leaks\")."], "name": "CVE-2024-27393", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "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": "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": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2024-05-08T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-27393\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-27393\nhttps://lore.kernel.org/linux-cve-announce/2024050835-CVE-2024-27393-b804@gregkh/T"], "threat_severity": "Low"}