{ "schemaVersion": 1, "attribution": [ { "source": "CISA Known Exploited Vulnerabilities", "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog", "licence": "US government work" }, { "source": "GitHub Advisory Database", "url": "https://github.com/advisories", "licence": "CC BY 4.0" }, { "source": "Have I Been Pwned", "url": "https://haveibeenpwned.com/", "licence": "CC BY 4.0" }, { "source": "CVE Program (CVE records)", "url": "https://www.cve.org/Legal/TermsOfUse", "licence": "CVE Terms of Use", "notice": "Copyright © 1999-2026, The MITRE Corporation. CVE is a trademark and the CVE logo is a registered trademark of The MITRE Corporation.", "terms": "CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy." }, { "source": "FIRST EPSS", "url": "https://www.first.org/epss/", "licence": "free to use; FIRST requests attribution" } ], "record": { "id": "CVE-2022-48688", "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2022-48688", "idYear": 2022, "status": "PUBLISHED", "publishedAt": "2024-05-03T14:59:45.253Z", "updatedAt": "2026-05-11T18:45:02.323Z", "importedAt": "2026-10-24T01:56:45.230Z", "snapshot": { "id": "cve_2026-10-24_midnight_baseline", "at": "2026-10-24T00:00:00.000Z", "source": "https://github.com/CVEProject/cvelistV5/releases/tag/cve_2026-10-24_0100Z" }, "facts": { "title": "i40e: Fix kernel crash during module removal", "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\ni40e: Fix kernel crash during module removal\n\nThe driver incorrectly frees client instance and subsequent\ni40e module removal leads to kernel crash.\n\nReproducer:\n1. Do ethtool offline test followed immediately by another one\nhost# ethtool -t eth0 offline; ethtool -t eth0 offline\n2. Remove recursively irdma module that also removes i40e module\nhost# modprobe -r irdma\n\nResult:\n[ 8675.035651] i40e 0000:3d:00.0 eno1: offline testing starting\n[ 8675.193774] i40e 0000:3d:00.0 eno1: testing finished\n[ 8675.201316] i40e 0000:3d:00.0 eno1: offline testing starting\n[ 8675.358921] i40e 0000:3d:00.0 eno1: testing finished\n[ 8675.496921] i40e 0000:3d:00.0: IRDMA hardware initialization FAILED init_state=2 status=-110\n[ 8686.188955] i40e 0000:3d:00.1: i40e_ptp_stop: removed PHC on eno2\n[ 8686.943890] i40e 0000:3d:00.1: Deleted LAN device PF1 bus=0x3d dev=0x00 func=0x01\n[ 8686.952669] i40e 0000:3d:00.0: i40e_ptp_stop: removed PHC on eno1\n[ 8687.761787] BUG: kernel NULL pointer dereference, address: 0000000000000030\n[ 8687.768755] #PF: supervisor read access in kernel mode\n[ 8687.773895] #PF: error_code(0x0000) - not-present page\n[ 8687.779034] PGD 0 P4D 0\n[ 8687.781575] Oops: 0000 [#1] PREEMPT SMP NOPTI\n[ 8687.785935] CPU: 51 PID: 172891 Comm: rmmod Kdump: loaded Tainted: G W I 5.19.0+ #2\n[ 8687.794800] Hardware name: Intel Corporation S2600WFD/S2600WFD, BIOS SE5C620.86B.0X.02.0001.051420190324 05/14/2019\n[ 8687.805222] RIP: 0010:i40e_lan_del_device+0x13/0xb0 [i40e]\n[ 8687.810719] Code: d4 84 c0 0f 84 b8 25 01 00 e9 9c 25 01 00 41 bc f4 ff ff ff eb 91 90 0f 1f 44 00 00 41 54 55 53 48 8b 87 58 08 00 00 48 89 fb <48> 8b 68 30 48 89 ef e8 21 8a 0f d5 48 89 ef e8 a9 78 0f d5 48 8b\n[ 8687.829462] RSP: 0018:ffffa604072efce0 EFLAGS: 00010202\n[ 8687.834689] RAX: 0000000000000000 RBX: ffff8f43833b2000 RCX: 0000000000000000\n[ 8687.841821] RDX: 0000000000000000 RSI: ffff8f4b0545b298 RDI: ffff8f43833b2000\n[ 8687.848955] RBP: ffff8f43833b2000 R08: 0000000000000001 R09: 0000000000000000\n[ 8687.856086] R10: 0000000000000000 R11: 000ffffffffff000 R12: ffff8f43833b2ef0\n[ 8687.863218] R13: ffff8f43833b2ef0 R14: ffff915103966000 R15: ffff8f43833b2008\n[ 8687.870342] FS: 00007f79501c3740(0000) GS:ffff8f4adffc0000(0000) knlGS:0000000000000000\n[ 8687.878427] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n[ 8687.884174] CR2: 0000000000000030 CR3: 000000014276e004 CR4: 00000000007706e0\n[ 8687.891306] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\n[ 8687.898441] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400\n[ 8687.905572] PKRU: 55555554\n[ 8687.908286] Call Trace:\n[ 8687.910737] \n[ 8687.912843] i40e_remove+0x2c0/0x330 [i40e]\n[ 8687.917040] pci_device_remove+0x33/0xa0\n[ 8687.920962] device_release_driver_internal+0x1aa/0x230\n[ 8687.926188] driver_detach+0x44/0x90\n[ 8687.929770] bus_remove_driver+0x55/0xe0\n[ 8687.933693] pci_unregister_driver+0x2a/0xb0\n[ 8687.937967] i40e_exit_module+0xc/0xf48 [i40e]\n\nTwo offline tests cause IRDMA driver failure (ETIMEDOUT) and this\nfailure is indicated back to i40e_client_subtask() that calls\ni40e_client_del_instance() to free client instance referenced\nby pf->cinst and sets this pointer to NULL. During the module\nremoval i40e_remove() calls i40e_lan_del_device() that dereferences\npf->cinst that is NULL -> crash.\nDo not remove client instance when client open callbacks fails and\njust clear __I40E_CLIENT_INSTANCE_OPENED bit. The driver also needs\nto take care about this situation (when netdev is up and client\nis NOT opened) in i40e_notify_client_of_netdev_close() and\ncalls client close callback only when __I40E_CLIENT_INSTANCE_OPENED\nis set.", "affected": [ { "vendor": "Linux", "product": "Linux", "defaultStatus": "unaffected", "versions": [ { "version": "0ef2d5afb12d379f4dd5df696219a01b88bb778a", "status": "affected", "versionType": "git", "lessThan": "c49f320e2492738d478bc427dcd54ccfe0cba746" }, { "version": "0ef2d5afb12d379f4dd5df696219a01b88bb778a", "status": "affected", "versionType": "git", "lessThan": "5332a094514852d5e58c278cf4193adb937337fc" }, { "version": "0ef2d5afb12d379f4dd5df696219a01b88bb778a", "status": "affected", "versionType": "git", "lessThan": "342d77769a6cceb3df7720a1e18baa4339eee3fc" }, { "version": "0ef2d5afb12d379f4dd5df696219a01b88bb778a", "status": "affected", "versionType": "git", "lessThan": "2ed94383f3a2693dbf5bc47c514b42524bd8f9ae" }, { "version": "0ef2d5afb12d379f4dd5df696219a01b88bb778a", "status": "affected", "versionType": "git", "lessThan": "38af35bec59a8431a1eb29da994a0a45cba275d9" }, { "version": "0ef2d5afb12d379f4dd5df696219a01b88bb778a", "status": "affected", "versionType": "git", "lessThan": "fb8396aeda5872369a8ed6d2301e2c86e303c520" } ] }, { "vendor": "Linux", "product": "Linux", "defaultStatus": "affected", "versions": [ { "version": "4.12", "status": "affected" }, { "version": "0", "status": "unaffected", "versionType": "semver", "lessThan": "4.12" }, { "version": "4.19.258", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "4.19.*" }, { "version": "5.4.213", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "5.4.*" }, { "version": "5.10.143", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "5.10.*" }, { "version": "5.15.68", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "5.15.*" }, { "version": "5.19.9", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "5.19.*" }, { "version": "6.0", "status": "unaffected", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*" } ] } ] } } }