{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2022-49505", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-02-26T02:08:31.586Z", "datePublished": "2025-02-26T02:13:37.496Z", "dateUpdated": "2026-05-23T15:22:22.633Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-23T15:22:22.633Z" }, "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nNFC: NULL out the dev->rfkill to prevent UAF\n\nCommit 3e3b5dfcd16a (\"NFC: reorder the logic in nfc_{un,}register_device\")\nassumes the device_is_registered() in function nfc_dev_up() will help\nto check when the rfkill is unregistered. However, this check only\ntake effect when device_del(&dev->dev) is done in nfc_unregister_device().\nHence, the rfkill object is still possible be dereferenced.\n\nThe crash trace in latest kernel (5.18-rc2):\n\n[ 68.760105] ==================================================================\n[ 68.760330] BUG: KASAN: use-after-free in __lock_acquire+0x3ec1/0x6750\n[ 68.760756] Read of size 8 at addr ffff888009c93018 by task fuzz/313\n[ 68.760756]\n[ 68.760756] CPU: 0 PID: 313 Comm: fuzz Not tainted 5.18.0-rc2 #4\n[ 68.760756] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014\n[ 68.760756] Call Trace:\n[ 68.760756] \n[ 68.760756] dump_stack_lvl+0x57/0x7d\n[ 68.760756] print_report.cold+0x5e/0x5db\n[ 68.760756] ? __lock_acquire+0x3ec1/0x6750\n[ 68.760756] kasan_report+0xbe/0x1c0\n[ 68.760756] ? __lock_acquire+0x3ec1/0x6750\n[ 68.760756] __lock_acquire+0x3ec1/0x6750\n[ 68.760756] ? lockdep_hardirqs_on_prepare+0x410/0x410\n[ 68.760756] ? register_lock_class+0x18d0/0x18d0\n[ 68.760756] lock_acquire+0x1ac/0x4f0\n[ 68.760756] ? rfkill_blocked+0xe/0x60\n[ 68.760756] ? lockdep_hardirqs_on_prepare+0x410/0x410\n[ 68.760756] ? mutex_lock_io_nested+0x12c0/0x12c0\n[ 68.760756] ? nla_get_range_signed+0x540/0x540\n[ 68.760756] ? _raw_spin_lock_irqsave+0x4e/0x50\n[ 68.760756] _raw_spin_lock_irqsave+0x39/0x50\n[ 68.760756] ? rfkill_blocked+0xe/0x60\n[ 68.760756] rfkill_blocked+0xe/0x60\n[ 68.760756] nfc_dev_up+0x84/0x260\n[ 68.760756] nfc_genl_dev_up+0x90/0xe0\n[ 68.760756] genl_family_rcv_msg_doit+0x1f4/0x2f0\n[ 68.760756] ? genl_family_rcv_msg_attrs_parse.constprop.0+0x230/0x230\n[ 68.760756] ? security_capable+0x51/0x90\n[ 68.760756] genl_rcv_msg+0x280/0x500\n[ 68.760756] ? genl_get_cmd+0x3c0/0x3c0\n[ 68.760756] ? lock_acquire+0x1ac/0x4f0\n[ 68.760756] ? nfc_genl_dev_down+0xe0/0xe0\n[ 68.760756] ? lockdep_hardirqs_on_prepare+0x410/0x410\n[ 68.760756] netlink_rcv_skb+0x11b/0x340\n[ 68.760756] ? genl_get_cmd+0x3c0/0x3c0\n[ 68.760756] ? netlink_ack+0x9c0/0x9c0\n[ 68.760756] ? netlink_deliver_tap+0x136/0xb00\n[ 68.760756] genl_rcv+0x1f/0x30\n[ 68.760756] netlink_unicast+0x430/0x710\n[ 68.760756] ? memset+0x20/0x40\n[ 68.760756] ? netlink_attachskb+0x740/0x740\n[ 68.760756] ? __build_skb_around+0x1f4/0x2a0\n[ 68.760756] netlink_sendmsg+0x75d/0xc00\n[ 68.760756] ? netlink_unicast+0x710/0x710\n[ 68.760756] ? netlink_unicast+0x710/0x710\n[ 68.760756] sock_sendmsg+0xdf/0x110\n[ 68.760756] __sys_sendto+0x19e/0x270\n[ 68.760756] ? __ia32_sys_getpeername+0xa0/0xa0\n[ 68.760756] ? fd_install+0x178/0x4c0\n[ 68.760756] ? fd_install+0x195/0x4c0\n[ 68.760756] ? kernel_fpu_begin_mask+0x1c0/0x1c0\n[ 68.760756] __x64_sys_sendto+0xd8/0x1b0\n[ 68.760756] ? lockdep_hardirqs_on+0xbf/0x130\n[ 68.760756] ? syscall_enter_from_user_mode+0x1d/0x50\n[ 68.760756] do_syscall_64+0x3b/0x90\n[ 68.760756] entry_SYSCALL_64_after_hwframe+0x44/0xae\n[ 68.760756] RIP: 0033:0x7f67fb50e6b3\n...\n[ 68.760756] RSP: 002b:00007f67fa91fe90 EFLAGS: 00000293 ORIG_RAX: 000000000000002c\n[ 68.760756] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f67fb50e6b3\n[ 68.760756] RDX: 000000000000001c RSI: 0000559354603090 RDI: 0000000000000003\n[ 68.760756] RBP: 00007f67fa91ff00 R08: 00007f67fa91fedc R09: 000000000000000c\n[ 68.760756] R10: 0000000000000000 R11: 0000000000000293 R12: 00007ffe824d496e\n[ 68.760756] R13: 00007ffe824d496f R14: 00007f67fa120000 R15: 0000000000000003\n\n[ 68.760756] \n[ 68.760756]\n[ 68.760756] Allocated by task 279:\n[ 68.760756] kasan_save_stack+0x1e/0x40\n[\n---truncated---" } ], "affected": [ { "product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "net/nfc/core.c" ], "versions": [ { "version": "ff169909eac9e00bf1aa0af739ba6ddfb1b1d135", "lessThan": "a8e03bcad52dc9afabf650fdbad84f739cec9efa", "status": "affected", "versionType": "git" }, { "version": "47244ac0b65bd74cc70007d8e1bac68bd2baad19", "lessThan": "f81270125b50532624400063281e6611ecd61ddf", "status": "affected", "versionType": "git" }, { "version": "c45cea83e13699bdfd47842e04d09dd43af4c371", "lessThan": "6abfaca8711803d0d7cc8c0fac1070a88509d463", "status": "affected", "versionType": "git" }, { "version": "307d2e6cebfca9d92f86c8e2c8e3dd4a8be46ba6", "lessThan": "fbf9c4c714d3cdeb98b6a18e4d057f931cad1d81", "status": "affected", "versionType": "git" }, { "version": "73a0d12114b4bc1a9def79a623264754b9df698e", "lessThan": "2a1b5110c95e4d49c8c3906270dfcde680a5a7be", "status": "affected", "versionType": "git" }, { "version": "8a9c61c3ef187d8891225f9b932390670a43a0d3", "lessThan": "1632be63862f183cd5cf1cc094e698e6ec005dfd", "status": "affected", "versionType": "git" }, { "version": "3e3b5dfcd16a3e254aab61bd1e8c417dd4503102", "lessThan": "4a68938f43b7c2663e4c90bb9bbe29ac8b9a42a0", "status": "affected", "versionType": "git" }, { "version": "3e3b5dfcd16a3e254aab61bd1e8c417dd4503102", "lessThan": "4f5d71930f41be78557f9714393179025baacd65", "status": "affected", "versionType": "git" }, { "version": "3e3b5dfcd16a3e254aab61bd1e8c417dd4503102", "lessThan": "1b0e81416a24d6e9b8c2341e22e8bf48f8b8bfc9", "status": "affected", "versionType": "git" }, { "version": "5ef16d2d172ee56714cff37cd005b98aba08ef5a", "status": "affected", "versionType": "git" }, { "version": "4.9.291", "lessThan": "4.9.318", "status": "affected", "versionType": "semver" }, { "version": "4.14.256", "lessThan": "4.14.283", "status": "affected", "versionType": "semver" }, { "version": "4.19.218", "lessThan": "4.19.247", "status": "affected", "versionType": "semver" }, { "version": "5.4.162", "lessThan": "5.4.198", "status": "affected", "versionType": "semver" }, { "version": "5.10.82", "lessThan": "5.10.121", "status": "affected", "versionType": "semver" }, { "version": "5.15.5", "lessThan": "5.15.46", "status": "affected", "versionType": "semver" }, { "version": "4.4.293", "lessThan": "4.5", "status": "affected", "versionType": "semver" } ] }, { "product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "net/nfc/core.c" ], "versions": [ { "version": "5.16", "status": "affected" }, { "version": "0", "lessThan": "5.16", "status": "unaffected", "versionType": "semver" }, { "version": "4.9.318", "lessThanOrEqual": "4.9.*", "status": "unaffected", "versionType": "semver" }, { "version": "4.14.283", "lessThanOrEqual": "4.14.*", "status": "unaffected", "versionType": "semver" }, { "version": "4.19.247", "lessThanOrEqual": "4.19.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.4.198", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.10.121", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.15.46", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.17.14", "lessThanOrEqual": "5.17.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.18.3", "lessThanOrEqual": "5.18.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.19", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix" } ] } ], "cpeApplicability": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.9.291", "versionEndExcluding": "4.9.318" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.14.256", "versionEndExcluding": "4.14.283" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.19.218", "versionEndExcluding": "4.19.247" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.4.162", "versionEndExcluding": "5.4.198" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.10.82", "versionEndExcluding": "5.10.121" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.15.5", "versionEndExcluding": "5.15.46" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.16", "versionEndExcluding": "5.17.14" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.16", "versionEndExcluding": "5.18.3" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.16", "versionEndExcluding": "5.19" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.4.293" } ] } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/a8e03bcad52dc9afabf650fdbad84f739cec9efa" }, { "url": "https://git.kernel.org/stable/c/f81270125b50532624400063281e6611ecd61ddf" }, { "url": "https://git.kernel.org/stable/c/6abfaca8711803d0d7cc8c0fac1070a88509d463" }, { "url": "https://git.kernel.org/stable/c/fbf9c4c714d3cdeb98b6a18e4d057f931cad1d81" }, { "url": "https://git.kernel.org/stable/c/2a1b5110c95e4d49c8c3906270dfcde680a5a7be" }, { "url": "https://git.kernel.org/stable/c/1632be63862f183cd5cf1cc094e698e6ec005dfd" }, { "url": "https://git.kernel.org/stable/c/4a68938f43b7c2663e4c90bb9bbe29ac8b9a42a0" }, { "url": "https://git.kernel.org/stable/c/4f5d71930f41be78557f9714393179025baacd65" }, { "url": "https://git.kernel.org/stable/c/1b0e81416a24d6e9b8c2341e22e8bf48f8b8bfc9" } ], "title": "NFC: NULL out the dev->rfkill to prevent UAF", "x_generator": { "engine": "bippy-1.2.0" } }, "adp": [ { "metrics": [ { "cvssV3_1": { "scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH" } }, { "other": { "type": "ssvc", "content": { "id": "CVE-2022-49505", "role": "CISA Coordinator", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "total" } ], "version": "2.0.3", "timestamp": "2025-02-27T17:58:28.672028Z" } } } ], "problemTypes": [ { "descriptions": [ { "lang": "en", "type": "CWE", "cweId": "CWE-416", "description": "CWE-416 Use After Free" } ] } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-02-27T18:02:28.632Z" } } ] } }