{"dataType": "CVE_RECORD", "cveMetadata": {"cveId": "CVE-2024-26898", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-02-19T14:20:24.186Z", "datePublished": "2024-04-17T10:27:48.466Z", "dateUpdated": "2024-08-02T00:21:05.475Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2024-05-29T05:24:40.887Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\naoe: fix the potential use-after-free problem in aoecmd_cfg_pkts\n\nThis patch is against CVE-2023-6270. The description of cve is:\n\n A flaw was found in the ATA over Ethernet (AoE) driver in the Linux\n kernel. The aoecmd_cfg_pkts() function improperly updates the refcnt on\n `struct net_device`, and a use-after-free can be triggered by racing\n between the free on the struct and the access through the `skbtxq`\n global queue. This could lead to a denial of service condition or\n potential code execution.\n\nIn aoecmd_cfg_pkts(), it always calls dev_put(ifp) when skb initial\ncode is finished. But the net_device ifp will still be used in\nlater tx()->dev_queue_xmit() in kthread. Which means that the\ndev_put(ifp) should NOT be called in the success path of skb\ninitial code in aoecmd_cfg_pkts(). Otherwise tx() may run into\nuse-after-free because the net_device is freed.\n\nThis patch removed the dev_put(ifp) in the success path in\naoecmd_cfg_pkts(), and added dev_put() after skb xmit in tx()."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/block/aoe/aoecmd.c", "drivers/block/aoe/aoenet.c"], "versions": [{"version": "7562f876cd93", "lessThan": "ad80c34944d7", "status": "affected", "versionType": "git"}, {"version": "7562f876cd93", "lessThan": "1a54aa506b3b", "status": "affected", "versionType": "git"}, {"version": "7562f876cd93", "lessThan": "faf0b4c5e00b", "status": "affected", "versionType": "git"}, {"version": "7562f876cd93", "lessThan": "7dd09fa80b07", "status": "affected", "versionType": "git"}, {"version": "7562f876cd93", "lessThan": "74ca3ef68d2f", "status": "affected", "versionType": "git"}, {"version": "7562f876cd93", 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"https://git.kernel.org/stable/c/faf0b4c5e00bb680e8e43ac936df24d3f48c8e65"}, {"url": "https://git.kernel.org/stable/c/7dd09fa80b0765ce68bfae92f4e2f395ccf0fba4"}, {"url": "https://git.kernel.org/stable/c/74ca3ef68d2f449bc848c0a814cefc487bf755fa"}, {"url": "https://git.kernel.org/stable/c/eb48680b0255a9e8a9bdc93d6a55b11c31262e62"}, {"url": "https://git.kernel.org/stable/c/079cba4f4e307c69878226fdf5228c20aa1c969c"}, {"url": "https://git.kernel.org/stable/c/a16fbb80064634b254520a46395e36b87ca4731e"}, {"url": "https://git.kernel.org/stable/c/f98364e926626c678fb4b9004b75cacf92ff0662"}, {"url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html"}, {"url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html"}], "x_generator": {"engine": "bippy-a5840b7849dd"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\naoe: fix the potential use-after-free problem in aoecmd_cfg_pkts\n\nThis patch is against CVE-2023-6270. The description of cve is:\n\n A flaw was found in the ATA over Ethernet (AoE) driver in the Linux\n kernel. The aoecmd_cfg_pkts() function improperly updates the refcnt on\n `struct net_device`, and a use-after-free can be triggered by racing\n between the free on the struct and the access through the `skbtxq`\n global queue. This could lead to a denial of service condition or\n potential code execution.\n\nIn aoecmd_cfg_pkts(), it always calls dev_put(ifp) when skb initial\ncode is finished. But the net_device ifp will still be used in\nlater tx()->dev_queue_xmit() in kthread. Which means that the\ndev_put(ifp) should NOT be called in the success path of skb\ninitial code in aoecmd_cfg_pkts(). Otherwise tx() may run into\nuse-after-free because the net_device is freed.\n\nThis patch removed the dev_put(ifp) in the success path in\naoecmd_cfg_pkts(), and added dev_put() after skb xmit in tx()."}], "providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2024-05-29T05:24:40.887Z"}}}, "cveMetadata": {"cveId": "CVE-2024-26898", "state": "PUBLISHED", "dateUpdated": "2024-07-22T14:55:25.413Z", "dateReserved": "2024-02-19T14:20:24.186Z", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "datePublished": "2024-04-17T10:27:48.466Z", "assignerShortName": "Linux"}, "dataVersion": "5.1"}

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The description of cve is:\n\n A flaw was found in the ATA over Ethernet (AoE) driver in the Linux\n kernel. The aoecmd_cfg_pkts() function improperly updates the refcnt on\n `struct net_device`, and a use-after-free can be triggered by racing\n between the free on the struct and the access through the `skbtxq`\n global queue. This could lead to a denial of service condition or\n potential code execution.\n\nIn aoecmd_cfg_pkts(), it always calls dev_put(ifp) when skb initial\ncode is finished. But the net_device ifp will still be used in\nlater tx()->dev_queue_xmit() in kthread. Which means that the\ndev_put(ifp) should NOT be called in the success path of skb\ninitial code in aoecmd_cfg_pkts(). Otherwise tx() may run into\nuse-after-free because the net_device is freed.\n\nThis patch removed the dev_put(ifp) in the success path in\naoecmd_cfg_pkts(), and added dev_put() after skb xmit in tx()."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: aoe: soluciona el posible problema de use-after-free en aoecmd_cfg_pkts. Este parche es contra CVE-2023-6270. La descripci\u00f3n de cve es: Se encontr\u00f3 una falla en el controlador ATA sobre Ethernet (AoE) en el kernel de Linux. La funci\u00f3n aoecmd_cfg_pkts() actualiza incorrectamente el refcnt en `struct net_device`, y se puede activar un use-after-free corriendo entre lo libre en la estructura y el acceso a trav\u00e9s de la cola global `skbtxq`. Esto podr\u00eda provocar una condici\u00f3n de denegaci\u00f3n de servicio o una posible ejecuci\u00f3n de c\u00f3digo. En aoecmd_cfg_pkts(), siempre llama a dev_put(ifp) cuando finaliza el c\u00f3digo inicial de skb. Pero el ifp net_device todav\u00eda se usar\u00e1 en tx()->dev_queue_xmit() posterior en kthread. Lo que significa que NO se debe llamar a dev_put(ifp) en la ruta exitosa del c\u00f3digo inicial de skb en aoecmd_cfg_pkts(). De lo contrario, tx() puede ejecutar use-after-free porque el net_device est\u00e1 liberado. Este parche elimin\u00f3 dev_put(ifp) en la ruta de \u00e9xito en aoecmd_cfg_pkts() y agreg\u00f3 dev_put() despu\u00e9s de skb xmit en tx()."}], "id": "CVE-2024-26898", "lastModified": "2024-08-01T13:48:14.737", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}, {"cvssData": {"attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.0, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.0, "impactScore": 5.9, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}, "published": "2024-04-17T11:15:10.820", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/079cba4f4e307c69878226fdf5228c20aa1c969c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/1a54aa506b3b2f31496731039e49778f54eee881"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/74ca3ef68d2f449bc848c0a814cefc487bf755fa"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/7dd09fa80b0765ce68bfae92f4e2f395ccf0fba4"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/a16fbb80064634b254520a46395e36b87ca4731e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/ad80c34944d7175fa1f5c7a55066020002921a99"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/eb48680b0255a9e8a9bdc93d6a55b11c31262e62"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/f98364e926626c678fb4b9004b75cacf92ff0662"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/faf0b4c5e00bb680e8e43ac936df24d3f48c8e65"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-416"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-416"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{"bugzilla": {"description": "kernel: aoe: fix the potential use-after-free problem in aoecmd_cfg_pkts", "id": "2275652", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2275652"}, "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": "draft"}, "cwe": "CWE-416", "details": ["In the Linux kernel, the following vulnerability has been resolved:\naoe: fix the potential use-after-free problem in aoecmd_cfg_pkts\nThis patch is against CVE-2023-6270. The description of cve is:\nA flaw was found in the ATA over Ethernet (AoE) driver in the Linux\nkernel. The aoecmd_cfg_pkts() function improperly updates the refcnt on\n`struct net_device`, and a use-after-free can be triggered by racing\nbetween the free on the struct and the access through the `skbtxq`\nglobal queue. This could lead to a denial of service condition or\npotential code execution.\nIn aoecmd_cfg_pkts(), it always calls dev_put(ifp) when skb initial\ncode is finished. But the net_device ifp will still be used in\nlater tx()->dev_queue_xmit() in kthread. Which means that the\ndev_put(ifp) should NOT be called in the success path of skb\ninitial code in aoecmd_cfg_pkts(). Otherwise tx() may run into\nuse-after-free because the net_device is freed.\nThis patch removed the dev_put(ifp) in the success path in\naoecmd_cfg_pkts(), and added dev_put() after skb xmit in tx()."], "name": "CVE-2024-26898", "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": "2024-04-17T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-26898\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-26898\nhttps://lore.kernel.org/linux-cve-announce/2024041744-CVE-2024-26898-d199@gregkh/T"], "threat_severity": "Low", "upstream_fix": "kernel 4.19.311, kernel 5.4.273, kernel 5.10.214, kernel 5.15.153, kernel 6.1.83, kernel 6.6.23, kernel 6.7.11, kernel 6.8.2, kernel 6.9-rc1"}