{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2024-49982", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-10-21T12:17:06.052Z", "datePublished": "2024-10-21T18:02:27.820Z", "dateUpdated": "2025-11-03T22:24:03.908Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-05-04T12:59:17.641Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\naoe: fix the potential use-after-free problem in more places\n\nFor fixing CVE-2023-6270, f98364e92662 (\"aoe: fix the potential\nuse-after-free problem in aoecmd_cfg_pkts\") makes tx() calling dev_put()\ninstead of doing in aoecmd_cfg_pkts(). It avoids that the tx() runs\ninto use-after-free.\n\nThen Nicolai Stange found more places in aoe have potential use-after-free\nproblem with tx(). e.g. revalidate(), aoecmd_ata_rw(), resend(), probe()\nand aoecmd_cfg_rsp(). Those functions also use aoenet_xmit() to push\npacket to tx queue. So they should also use dev_hold() to increase the\nrefcnt of skb->dev.\n\nOn the other hand, moving dev_put() to tx() causes that the refcnt of\nskb->dev be reduced to a negative value, because corresponding\ndev_hold() are not called in revalidate(), aoecmd_ata_rw(), resend(),\nprobe(), and aoecmd_cfg_rsp(). This patch fixed this issue."}], "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"], "versions": [{"version": "ad80c34944d7175fa1f5c7a55066020002921a99", "lessThan": "12f7b89dd72b25da4eeaa22097877963cad6418e", "status": "affected", "versionType": "git"}, {"version": "1a54aa506b3b2f31496731039e49778f54eee881", "lessThan": "a786265aecf39015418e4f930cc1c14603a01490", "status": "affected", "versionType": "git"}, {"version": "faf0b4c5e00bb680e8e43ac936df24d3f48c8e65", "lessThan": "f63461af2c1a86af4217910e47a5c46e3372e645", "status": "affected", "versionType": "git"}, {"version": "7dd09fa80b0765ce68bfae92f4e2f395ccf0fba4", "lessThan": "07b418d50ccbbca7e5d87a3a0d41d436cefebf79", "status": "affected", "versionType": "git"}, {"version": "74ca3ef68d2f449bc848c0a814cefc487bf755fa", "lessThan": "bc2cbf7525ac288e07d465f5a1d8cb8fb9599254", 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It avoids that the tx() runs\ninto use-after-free.\n\nThen Nicolai Stange found more places in aoe have potential use-after-free\nproblem with tx(). e.g. revalidate(), aoecmd_ata_rw(), resend(), probe()\nand aoecmd_cfg_rsp(). Those functions also use aoenet_xmit() to push\npacket to tx queue. So they should also use dev_hold() to increase the\nrefcnt of skb->dev.\n\nOn the other hand, moving dev_put() to tx() causes that the refcnt of\nskb->dev be reduced to a negative value, because corresponding\ndev_hold() are not called in revalidate(), aoecmd_ata_rw(), resend(),\nprobe(), and aoecmd_cfg_rsp(). This patch fixed this issue."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: aoe: soluciona el posible problema de use-after-free en m\u00e1s lugares Para solucionar CVE-2023-6270, f98364e92662 (\"aoe: soluciona el posible problema de use-after-free en aoecmd_cfg_pkts\") hace que tx() llame a dev_put() en lugar de hacerlo en aoecmd_cfg_pkts(). Esto evita que tx() se ejecute en use-after-free. Luego, Nicolai Stange encontr\u00f3 que m\u00e1s lugares en aoe tienen un posible problema de use-after-free con tx(). Por ejemplo, revalidate(), aoecmd_ata_rw(), resend(), probe() y aoecmd_cfg_rsp(). Esas funciones tambi\u00e9n usan aoenet_xmit() para enviar paquetes a la cola de tx. Por lo tanto, tambi\u00e9n deber\u00edan usar dev_hold() para aumentar el refcnt de skb->dev. Por otra parte, mover dev_put() a tx() hace que el refcnt de skb->dev se reduzca a un valor negativo, porque los dev_hold() correspondientes no se llaman en revalidate(), aoecmd_ata_rw(), resend(), probe() y aoecmd_cfg_rsp(). Este parche solucion\u00f3 este problema."}], "id": "CVE-2024-49982", "lastModified": "2025-11-03T23:16:36.783", "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"}]}, "published": "2024-10-21T18:15:18.733", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/07b418d50ccbbca7e5d87a3a0d41d436cefebf79"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/12f7b89dd72b25da4eeaa22097877963cad6418e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/6d6e54fc71ad1ab0a87047fd9c211e75d86084a3"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/8253a60c89ec35c8f36fb2cc08cdf854c7a3eb58"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/89d9a69ae0c667e4d9d028028e2dcc837bae626f"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/a786265aecf39015418e4f930cc1c14603a01490"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/acc5103a0a8c200a52af7d732c36a8477436a3d3"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/bc2cbf7525ac288e07d465f5a1d8cb8fb9599254"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/f63461af2c1a86af4217910e47a5c46e3372e645"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-416"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: aoe: fix the potential use-after-free problem in more places", "id": "2320508", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2320508"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.8", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/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 more places\nFor fixing CVE-2023-6270, f98364e92662 (\"aoe: fix the potential\nuse-after-free problem in aoecmd_cfg_pkts\") makes tx() calling dev_put()\ninstead of doing in aoecmd_cfg_pkts(). It avoids that the tx() runs\ninto use-after-free.\nThen Nicolai Stange found more places in aoe have potential use-after-free\nproblem with tx(). e.g. revalidate(), aoecmd_ata_rw(), resend(), probe()\nand aoecmd_cfg_rsp(). Those functions also use aoenet_xmit() to push\npacket to tx queue. So they should also use dev_hold() to increase the\nrefcnt of skb->dev.\nOn the other hand, moving dev_put() to tx() causes that the refcnt of\nskb->dev be reduced to a negative value, because corresponding\ndev_hold() are not called in revalidate(), aoecmd_ata_rw(), resend(),\nprobe(), and aoecmd_cfg_rsp(). This patch fixed this issue."], "name": "CVE-2024-49982", "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": "2024-10-21T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-49982\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-49982\nhttps://lore.kernel.org/linux-cve-announce/2024102136-CVE-2024-49982-c6b7@gregkh/T"], "threat_severity": "Moderate"}

{}