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that is\nsubmitted by libaio."}], "providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2024-12-19T08:46:55.805Z"}}}, "cveMetadata": {"cveId": "CVE-2024-26764", "state": "PUBLISHED", "dateUpdated": "2024-12-19T08:46:55.805Z", "dateReserved": "2024-02-19T14:20:24.172Z", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "datePublished": "2024-04-03T17:00:46.962Z", "assignerShortName": "Linux"}, "dataVersion": "5.1"}

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Si se llama a kiocb_set_cancel_fn() para E/S enviadas a trav\u00e9s de io_uring, aparece la siguiente advertencia del kernel: ADVERTENCIA: CPU : 3 PID: 368 en fs/aio.c:598 kiocb_set_cancel_fn+0x9c/0xa8 Rastreo de llamadas: kiocb_set_cancel_fn+0x9c/0xa8 ffs_epfile_read_iter+0x144/0x1d0 io_read+0x19c/0x498 io_issue_sqe+0x118/0x27c io_submit_sqes+0x25c/0x5fc __arm64_sys_io_uring_enter+0x104/ 0xab0 invoke_syscall+0x58/0x11c el0_svc_common+0xb4/0xf4 do_el0_svc+0x2c/0xb0 el0_svc+0x2c/0xa4 el0t_64_sync_handler+0x68/0xb4 el0t_64_sync+0x1a4/0x1a8 Solucionar esto configurando el IOC Bandera B_AIO_RW para E/S de lectura y escritura enviada por libaio ."}], "id": "CVE-2024-26764", "lastModified": "2025-03-18T16:36:22.457", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "LOW", "baseScore": 3.3, "baseSeverity": "LOW", "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:L", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 1.4, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2024-04-03T17:15:52.580", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/18f614369def2a11a52f569fe0f910b199d13487"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/1dc7d74fe456944a9b1c57bd776280249f441ac6"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/337b543e274fe7a8f47df3c8293cc6686ffa620f"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/b4eea7a05ee0ab5ab0514421e6ba8c5d249cf942"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/b820de741ae48ccf50dd95e297889c286ff4f760"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/d7b6fa97ec894edd02f64b83e5e72e1aa352f353"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/e7e23fc5d5fe422827c9a43ecb579448f73876c7"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/ea1cd64d59f22d6d13f367d62ec6e27b9344695f"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/18f614369def2a11a52f569fe0f910b199d13487"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/1dc7d74fe456944a9b1c57bd776280249f441ac6"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/337b543e274fe7a8f47df3c8293cc6686ffa620f"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/b4eea7a05ee0ab5ab0514421e6ba8c5d249cf942"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/b820de741ae48ccf50dd95e297889c286ff4f760"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/d7b6fa97ec894edd02f64b83e5e72e1aa352f353"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/e7e23fc5d5fe422827c9a43ecb579448f73876c7"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/ea1cd64d59f22d6d13f367d62ec6e27b9344695f"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List"], "url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List"], "url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: fs/aio: Restrict kiocb_set_cancel_fn() to I/O submitted via libaio", "id": "2273193", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2273193"}, "csaw": false, "cvss3": {"cvss3_base_score": "0.0", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:N", "status": "draft"}, "details": ["In the Linux kernel, the following vulnerability has been resolved:\nfs/aio: Restrict kiocb_set_cancel_fn() to I/O submitted via libaio\nIf kiocb_set_cancel_fn() is called for I/O submitted via io_uring, the\nfollowing kernel warning appears:\nWARNING: CPU: 3 PID: 368 at fs/aio.c:598 kiocb_set_cancel_fn+0x9c/0xa8\nCall trace:\nkiocb_set_cancel_fn+0x9c/0xa8\nffs_epfile_read_iter+0x144/0x1d0\nio_read+0x19c/0x498\nio_issue_sqe+0x118/0x27c\nio_submit_sqes+0x25c/0x5fc\n__arm64_sys_io_uring_enter+0x104/0xab0\ninvoke_syscall+0x58/0x11c\nel0_svc_common+0xb4/0xf4\ndo_el0_svc+0x2c/0xb0\nel0_svc+0x2c/0xa4\nel0t_64_sync_handler+0x68/0xb4\nel0t_64_sync+0x1a4/0x1a8\nFix this by setting the IOCB_AIO_RW flag for read and write I/O that is\nsubmitted by libaio.", "A flaw was found in the Linux kernel. This vulnerability affects the asynchronous I/O (AIO) system. The vulnerability arises when the kiocb_set_cancel_fn() function is incorrectly applied to I/O submitted via io_uring instead of being limited to I/O submitted via libaio. This issue can lead to a kernel warning that causes instability in the system.\nThe kernel warning occurs because the function isn't designed to handle io_uring submissions, leading to potential disruptions. The vulnerability impacts older kernel versions but has been addressed by restricting the function to appropriate use cases."], "name": "CVE-2024-26764", "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": "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": "2024-04-03T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-26764\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-26764\nhttps://lore.kernel.org/linux-cve-announce/2024040306-CVE-2024-26764-c1e7@gregkh/T"], "threat_severity": "Moderate"}