{"api_version":"1","generated_at":"2026-08-24T12:35:56+00:00","cve":"CVE-2024-49982","urls":{"html":"https://cve.report/CVE-2024-49982","api":"https://cve.report/api/cve/CVE-2024-49982.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2024-49982","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2024-49982"},"summary":{"title":"aoe: fix the potential use-after-free problem in more places","description":"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.","state":"PUBLISHED","assigner":"Linux","published_at":"2024-10-21 18:15:18","updated_at":"2026-08-04 11:21:05"},"problem_types":["CWE-416"],"metrics":[{"version":"3.1","source":"nvd@nist.gov","type":"Primary","score":"7.8","severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","baseScore":7.8,"baseSeverity":"HIGH","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"}},{"version":"3.1","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","type":"Secondary","score":"8.8","severity":"HIGH","vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","baseScore":8.8,"baseSeverity":"HIGH","attackVector":"ADJACENT_NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"}},{"version":"3.1","source":"CNA","type":"DECLARED","score":"8.8","severity":"HIGH","vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","data":{"baseScore":8.8,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","version":"3.1"}}],"references":[{"url":"https://git.kernel.org/stable/c/89d9a69ae0c667e4d9d028028e2dcc837bae626f","name":"https://git.kernel.org/stable/c/89d9a69ae0c667e4d9d028028e2dcc837bae626f","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/8253a60c89ec35c8f36fb2cc08cdf854c7a3eb58","name":"https://git.kernel.org/stable/c/8253a60c89ec35c8f36fb2cc08cdf854c7a3eb58","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html","name":"https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/bc2cbf7525ac288e07d465f5a1d8cb8fb9599254","name":"https://git.kernel.org/stable/c/bc2cbf7525ac288e07d465f5a1d8cb8fb9599254","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/a786265aecf39015418e4f930cc1c14603a01490","name":"https://git.kernel.org/stable/c/a786265aecf39015418e4f930cc1c14603a01490","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/6d6e54fc71ad1ab0a87047fd9c211e75d86084a3","name":"https://git.kernel.org/stable/c/6d6e54fc71ad1ab0a87047fd9c211e75d86084a3","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html","name":"https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/acc5103a0a8c200a52af7d732c36a8477436a3d3","name":"https://git.kernel.org/stable/c/acc5103a0a8c200a52af7d732c36a8477436a3d3","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/f63461af2c1a86af4217910e47a5c46e3372e645","name":"https://git.kernel.org/stable/c/f63461af2c1a86af4217910e47a5c46e3372e645","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/12f7b89dd72b25da4eeaa22097877963cad6418e","name":"https://git.kernel.org/stable/c/12f7b89dd72b25da4eeaa22097877963cad6418e","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/07b418d50ccbbca7e5d87a3a0d41d436cefebf79","name":"https://git.kernel.org/stable/c/07b418d50ccbbca7e5d87a3a0d41d436cefebf79","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2024-49982","name":"CVE 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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."}],"metrics":[{"cvssV3_1":{"baseScore":8.8,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","version":"3.1"}}],"providerMetadata":{"dateUpdated":"2026-08-04T09:34:06.944Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/12f7b89dd72b25da4eeaa22097877963cad6418e"},{"url":"https://git.kernel.org/stable/c/a786265aecf39015418e4f930cc1c14603a01490"},{"url":"https://git.kernel.org/stable/c/f63461af2c1a86af4217910e47a5c46e3372e645"},{"url":"https://git.kernel.org/stable/c/07b418d50ccbbca7e5d87a3a0d41d436cefebf79"},{"url":"https://git.kernel.org/stable/c/bc2cbf7525ac288e07d465f5a1d8cb8fb9599254"},{"url":"https://git.kernel.org/stable/c/acc5103a0a8c200a52af7d732c36a8477436a3d3"},{"url":"https://git.kernel.org/stable/c/89d9a69ae0c667e4d9d028028e2dcc837bae626f"},{"url":"https://git.kernel.org/stable/c/8253a60c89ec35c8f36fb2cc08cdf854c7a3eb58"},{"url":"https://git.kernel.org/stable/c/6d6e54fc71ad1ab0a87047fd9c211e75d86084a3"}],"title":"aoe: fix the potential use-after-free problem in more places","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2024-49982","datePublished":"2024-10-21T18:02:27.820Z","dateReserved":"2024-10-21T12:17:06.052Z","dateUpdated":"2026-08-04T09:34:06.944Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2024-10-21 18:15:18","lastModifiedDate":"2026-08-04 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fix the potential use-after-free problem in more places","CVE":"CVE-2024-49982","Year":"2024"},"notes":[{"CveYear":"2024","CveId":"49982","Ordinal":"1","NoteData":"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.","Type":"Description","Title":"aoe: fix the potential use-after-free problem in more places"}]}}}