{ "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-2022-48857", "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2022-48857", "idYear": 2022, "status": "PUBLISHED", "publishedAt": "2024-07-16T12:25:22.464Z", "updatedAt": "2026-05-11T18:48:29.902Z", "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": "NFC: port100: fix use-after-free in port100_send_complete", "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nNFC: port100: fix use-after-free in port100_send_complete\n\nSyzbot reported UAF in port100_send_complete(). The root case is in\nmissing usb_kill_urb() calls on error handling path of ->probe function.\n\nport100_send_complete() accesses devm allocated memory which will be\nfreed on probe failure. We should kill this urbs before returning an\nerror from probe function to prevent reported use-after-free\n\nFail log:\n\nBUG: KASAN: use-after-free in port100_send_complete+0x16e/0x1a0 drivers/nfc/port100.c:935\nRead of size 1 at addr ffff88801bb59540 by task ksoftirqd/2/26\n...\nCall Trace:\n \n __dump_stack lib/dump_stack.c:88 [inline]\n dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106\n print_address_description.constprop.0.cold+0x8d/0x303 mm/kasan/report.c:255\n __kasan_report mm/kasan/report.c:442 [inline]\n kasan_report.cold+0x83/0xdf mm/kasan/report.c:459\n port100_send_complete+0x16e/0x1a0 drivers/nfc/port100.c:935\n __usb_hcd_giveback_urb+0x2b0/0x5c0 drivers/usb/core/hcd.c:1670\n\n...\n\nAllocated by task 1255:\n kasan_save_stack+0x1e/0x40 mm/kasan/common.c:38\n kasan_set_track mm/kasan/common.c:45 [inline]\n set_alloc_info mm/kasan/common.c:436 [inline]\n ____kasan_kmalloc mm/kasan/common.c:515 [inline]\n ____kasan_kmalloc mm/kasan/common.c:474 [inline]\n __kasan_kmalloc+0xa6/0xd0 mm/kasan/common.c:524\n alloc_dr drivers/base/devres.c:116 [inline]\n devm_kmalloc+0x96/0x1d0 drivers/base/devres.c:823\n devm_kzalloc include/linux/device.h:209 [inline]\n port100_probe+0x8a/0x1320 drivers/nfc/port100.c:1502\n\nFreed by task 1255:\n kasan_save_stack+0x1e/0x40 mm/kasan/common.c:38\n kasan_set_track+0x21/0x30 mm/kasan/common.c:45\n kasan_set_free_info+0x20/0x30 mm/kasan/generic.c:370\n ____kasan_slab_free mm/kasan/common.c:366 [inline]\n ____kasan_slab_free+0xff/0x140 mm/kasan/common.c:328\n kasan_slab_free include/linux/kasan.h:236 [inline]\n __cache_free mm/slab.c:3437 [inline]\n kfree+0xf8/0x2b0 mm/slab.c:3794\n release_nodes+0x112/0x1a0 drivers/base/devres.c:501\n devres_release_all+0x114/0x190 drivers/base/devres.c:530\n really_probe+0x626/0xcc0 drivers/base/dd.c:670", "affected": [ { "vendor": "Linux", "product": "Linux", "defaultStatus": "unaffected", "versions": [ { "version": "0347a6ab300a1532c298823408d6e51ccf4e4f45", "status": "affected", "versionType": "git", "lessThan": "205c4ec78e71cbf561794e6043da80e7bae6790f" }, { "version": "0347a6ab300a1532c298823408d6e51ccf4e4f45", "status": "affected", "versionType": "git", "lessThan": "32e866ae5a7af590597ef4bcff8451bf96d5f980" }, { "version": "0347a6ab300a1532c298823408d6e51ccf4e4f45", "status": "affected", "versionType": "git", "lessThan": "b1db33d4e54bc35d8db96ce143ea0ef92e23d58e" }, { "version": "0347a6ab300a1532c298823408d6e51ccf4e4f45", "status": "affected", "versionType": "git", "lessThan": "cd2a5c0da0d1ddf11d1f84e9c9b1949f50f6e161" }, { "version": "0347a6ab300a1532c298823408d6e51ccf4e4f45", "status": "affected", "versionType": "git", "lessThan": "2b1c85f56512d49e43bc53741fce2f508cd90029" }, { "version": "0347a6ab300a1532c298823408d6e51ccf4e4f45", "status": "affected", "versionType": "git", "lessThan": "0e721b8f2ee5e11376dd55363f9ccb539d754b8a" }, { "version": "0347a6ab300a1532c298823408d6e51ccf4e4f45", "status": "affected", "versionType": "git", "lessThan": "7194737e1be8fdc89d2a9382bd2f371f7ee2eda8" }, { "version": "0347a6ab300a1532c298823408d6e51ccf4e4f45", "status": "affected", "versionType": "git", "lessThan": "f80cfe2f26581f188429c12bd937eb905ad3ac7b" } ] }, { "vendor": "Linux", "product": "Linux", "defaultStatus": "affected", "versions": [ { "version": "3.13", "status": "affected" }, { "version": "0", "status": "unaffected", "versionType": "semver", "lessThan": "3.13" }, { "version": "4.9.307", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "4.9.*" }, { "version": "4.14.272", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "4.14.*" }, { "version": "4.19.235", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "4.19.*" }, { "version": "5.4.185", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "5.4.*" }, { "version": "5.10.106", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "5.10.*" }, { "version": "5.15.29", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "5.15.*" }, { "version": "5.16.15", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "5.16.*" }, { "version": "5.17", "status": "unaffected", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*" } ] } ] } } }