{"answers":{"affected":"It affects 1 product.","exploited":"There is no known exploitation of CVE-2022-49584 in the wild and no public exploit code.","fix":"Apply the vendor's patch.","what":"CVE-2022-49584 is a medium-severity vulnerability in Linux kernel, published on 26 Feb 2025. It can only be exploited from the same machine or local network, with no action from the victim."},"fix_prompt":"Check this codebase for CVE-2022-49584 and fix it if it is affected.\n\nWhat it is: CVE-2022-49584 is a medium-severity vulnerability in Linux kernel, published on 26 Feb 2025. It can only be exploited from the same machine or local network, with no action from the victim.\nExploitation: There is no known exploitation of CVE-2022-49584 in the wild and no public exploit code.\n\nAffected product: Linux kernel. No package-level version data is available, so check the vendor advisory linked from the reference page.\n\nTask:\n1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.\n2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.\n3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.\n4. Run the tests and summarise what changed and why.\n5. If nothing in the project is affected, say so and change nothing.\n\nReference: https://insights.sbomify.com/CVE-2022-49584/ (Markdown: https://insights.sbomify.com/CVE-2022-49584/index.md)","id":"CVE-2022-49584","markdown":"https://insights.sbomify.com/CVE-2022-49584/index.md","name":"CVE-2022-49584","record":{"aliases":["DEBIAN-CVE-2022-49584","GHSA-w93h-cv9g-f692","UBUNTU-CVE-2022-49584"],"analysis":{"component_type":"kernel","fix_type":"patch","impacts":["denial_of_service"],"network_reachable":"adjacent_or_local","non_default_config":true,"product_category":"Linux kernel driver","requires_auth":"low_privilege","summary":"A race condition in the ixgbe driver causes a kernel panic when disabling SR-IOV virtual functions during active processing.","user_interaction":"not_required","vuln_class":"race_condition"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"Linux","cpe":[{"product":"linux_kernel","vendor":"linux"}],"cvss":{"score":5.5,"severity":"medium","source":"nvd","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"cwes":[{"id":"CWE-667","name":"Improper Locking"}],"description":"In the Linux kernel, the following vulnerability has been resolved:\n\nixgbe: Add locking to prevent panic when setting sriov_numvfs to zero\n\nIt is possible to disable VFs while the PF driver is processing requests\nfrom the VF driver.  This can result in a panic.\n\nBUG: unable to handle kernel paging request at 000000000000106c\nPGD 0 P4D 0\nOops: 0000 [#1] SMP NOPTI\nCPU: 8 PID: 0 Comm: swapper/8 Kdump: loaded Tainted: G I      --------- -\nHardware name: Dell Inc. PowerEdge R740/06WXJT, BIOS 2.8.2 08/27/2020\nRIP: 0010:ixgbe_msg_task+0x4c8/0x1690 [ixgbe]\nCode: 00 00 48 8d 04 40 48 c1 e0 05 89 7c 24 24 89 fd 48 89 44 24 10 83 ff\n01 0f 84 b8 04 00 00 4c 8b 64 24 10 4d 03 a5 48 22 00 00 \u003c41\u003e 80 7c 24 4c\n00 0f 84 8a 03 00 00 0f b7 c7 83 f8 08 0f 84 8f 0a\nRSP: 0018:ffffb337869f8df8 EFLAGS: 00010002\nRAX: 0000000000001020 RBX: 0000000000000000 RCX: 000000000000002b\nRDX: 0000000000000002 RSI: 0000000000000008 RDI: 0000000000000006\nRBP: 0000000000000006 R08: 0000000000000002 R09: 0000000000029780\nR10: 00006957d8f42832 R11: 0000000000000000 R12: 0000000000001020\nR13: ffff8a00e8978ac0 R14: 000000000000002b R15: ffff8a00e8979c80\nFS:  0000000000000000(0000) GS:ffff8a07dfd00000(0000) knlGS:00000000000000\nCS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: 000000000000106c CR3: 0000000063e10004 CR4: 00000000007726e0\nDR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\nDR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400\nPKRU: 55555554\nCall Trace:\n \u003cIRQ\u003e\n ? ttwu_do_wakeup+0x19/0x140\n ? try_to_wake_up+0x1cd/0x550\n ? ixgbevf_update_xcast_mode+0x71/0xc0 [ixgbevf]\n ixgbe_msix_other+0x17e/0x310 [ixgbe]\n __handle_irq_event_percpu+0x40/0x180\n handle_irq_event_percpu+0x30/0x80\n handle_irq_event+0x36/0x53\n handle_edge_irq+0x82/0x190\n handle_irq+0x1c/0x30\n do_IRQ+0x49/0xd0\n common_interrupt+0xf/0xf\n\nThis can be eventually be reproduced with the following script:\n\nwhile :\ndo\n    echo 63 \u003e /sys/class/net/\u003cdevname\u003e/device/sriov_numvfs\n    sleep 1\n    echo 0 \u003e /sys/class/net/\u003cdevname\u003e/device/sriov_numvfs\n    sleep 1\ndone\n\nAdd lock when disabling SR-IOV to prevent process VF mailbox communication.","ecosystems":[],"exploits":{"exploitdb":0,"first_seen":null,"github_poc":0,"max_poc_stars":null,"metasploit":0,"nuclei":0,"refs":[],"tier":"none_known"},"has_fix":true,"headline":"ixgbe: Add locking to prevent panic when setting sriov_numvfs to zero","id":"CVE-2022-49584","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":null,"product":"linux:linux_kernel","products":["linux:linux_kernel"],"type":"race_condition","year":"2022"},"n_packages":0,"n_references":5,"next":{"headline":"tcp: Fix data-races around sysctl_tcp_fastopen_blackhole_timeout.","id":"CVE-2022-49585"},"packages":[],"prev":{"headline":"iavf: Fix handling of dummy receive descriptors","id":"CVE-2022-49583"},"products":["Linux"],"published":"2025-02-26","related":[{"cvss_score":8.8,"headline":"Linux Kernel Out-of-Bounds Write","id":"CVE-2026-53266","kev_date_added":"2026-09-18","published":"2026-06-25"},{"cvss_score":8.8,"headline":"Linux Kernel Improper Input Validation","id":"CVE-2013-6282","kev_date_added":"2022-09-15","published":"2013-11-19"},{"cvss_score":8.4,"headline":"Linux Kernel Heap-Based Buffer Overflow","id":"CVE-2022-0185","kev_date_added":"2024-08-21","published":"2022-02-11"},{"cvss_score":8.4,"headline":"Linux Kernel Privilege Escalation","id":"CVE-2013-2094","kev_date_added":"2022-09-15","published":"2013-05-14"},{"cvss_score":7.8,"headline":"Linux Kernel Unspecified","id":"CVE-2026-53362","kev_date_added":"2026-08-27","published":"2026-07-04"},{"cvss_score":7.8,"headline":"Linux Kernel Missing Initialization of a Variable","id":"CVE-2026-46300","kev_date_added":"2026-10-28","published":"2026-05-23"},{"cvss_score":7.8,"headline":"Linux Kernel Race Condition","id":"CVE-2025-39964","kev_date_added":"2026-09-18","published":"2025-10-13"}],"sources":[{"class":"attribution","licence":"CVE Terms of Use (MITRE)","name":"CVE List","prefix":"CVE"},{"class":"attribution","licence":"US public information, NVD API terms","name":"NVD"},{"class":"attribution","licence":"CWE Terms of Use","name":"CWE (MITRE)"},{"class":"attribution","licence":"FIRST CVSS licence","name":"CVSS (FIRST)"}],"ssvc":{"automatable":null,"exploitation":null,"technical_impact":null},"state":"PUBLISHED","updated":"2026-05-11","vendors":["Linux"]},"summary":"A race condition in the ixgbe driver causes a kernel panic when disabling SR-IOV virtual functions during active processing.","url":"https://insights.sbomify.com/CVE-2022-49584/"}