{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2022-49859", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-05-01T14:05:17.235Z", "datePublished": "2025-05-01T14:10:13.204Z", "dateUpdated": "2026-05-11T19:08:07.378Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T19:08:07.378Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: lapbether: fix issue of invalid opcode in lapbeth_open()\n\nIf lapb_register() failed when lapb device goes to up for the first time,\nthe NAPI is not disabled. As a result, the invalid opcode issue is\nreported when the lapb device goes to up for the second time.\n\nThe stack info is as follows:\n[ 1958.311422][T11356] kernel BUG at net/core/dev.c:6442!\n[ 1958.312206][T11356] invalid opcode: 0000 [#1] PREEMPT SMP KASAN\n[ 1958.315979][T11356] RIP: 0010:napi_enable+0x16a/0x1f0\n[ 1958.332310][T11356] Call Trace:\n[ 1958.332817][T11356] <TASK>\n[ 1958.336135][T11356] lapbeth_open+0x18/0x90\n[ 1958.337446][T11356] __dev_open+0x258/0x490\n[ 1958.341672][T11356] __dev_change_flags+0x4d4/0x6a0\n[ 1958.345325][T11356] dev_change_flags+0x93/0x160\n[ 1958.346027][T11356] devinet_ioctl+0x1276/0x1bf0\n[ 1958.346738][T11356] inet_ioctl+0x1c8/0x2d0\n[ 1958.349638][T11356] sock_ioctl+0x5d1/0x750\n[ 1958.356059][T11356] __x64_sys_ioctl+0x3ec/0x1790\n[ 1958.365594][T11356] do_syscall_64+0x35/0x80\n[ 1958.366239][T11356] entry_SYSCALL_64_after_hwframe+0x46/0xb0\n[ 1958.377381][T11356] </TASK>"}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/net/wan/lapbether.c"], "versions": [{"version": "514e1150da9cd8d7978d990a353636cf1a7a87c2", "lessThan": "4689bd3a1b23a1bd917899e63b81bca2ccdfab45", "status": "affected", "versionType": "git"}, {"version": "514e1150da9cd8d7978d990a353636cf1a7a87c2", "lessThan": "ed4940050a7ce7fc2ccd51db580ef1ade64290b1", "status": "affected", "versionType": "git"}, {"version": "514e1150da9cd8d7978d990a353636cf1a7a87c2", "lessThan": "3faf7e14ec0c3462c2d747fa6793b8645d1391df", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/net/wan/lapbether.c"], "versions": [{"version": "5.13", "status": "affected"}, {"version": "0", "lessThan": "5.13", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.79", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.0.9", "lessThanOrEqual": "6.0.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1", "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": "5.13", "versionEndExcluding": "5.15.79"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.13", "versionEndExcluding": "6.0.9"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.13", "versionEndExcluding": "6.1"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/4689bd3a1b23a1bd917899e63b81bca2ccdfab45"}, {"url": "https://git.kernel.org/stable/c/ed4940050a7ce7fc2ccd51db580ef1ade64290b1"}, {"url": "https://git.kernel.org/stable/c/3faf7e14ec0c3462c2d747fa6793b8645d1391df"}], "title": "net: lapbether: fix issue of invalid opcode in lapbeth_open()", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "C4D3BF0B-6F05-4CEA-9F6B-216E5C81EC0B", "versionEndExcluding": "5.15.79", "versionStartIncluding": "5.13", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "C3F26709-7D49-4AF0-8145-46CCF4E8E2AD", "versionEndExcluding": "6.0.9", "versionStartIncluding": "5.16", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.1:rc1:*:*:*:*:*:*", "matchCriteriaId": "E7E331DA-1FB0-4DEC-91AC-7DA69D461C11", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.1:rc2:*:*:*:*:*:*", "matchCriteriaId": "17F0B248-42CF-4AE6-A469-BB1BAE7F4705", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.1:rc3:*:*:*:*:*:*", "matchCriteriaId": "E2422816-0C14-4B5E-A1E6-A9D776E5C49B", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.1:rc4:*:*:*:*:*:*", "matchCriteriaId": "1C6E00FE-5FB9-4D20-A1A1-5A32128F9B76", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: lapbether: fix issue of invalid opcode in lapbeth_open()\n\nIf lapb_register() failed when lapb device goes to up for the first time,\nthe NAPI is not disabled. As a result, the invalid opcode issue is\nreported when the lapb device goes to up for the second time.\n\nThe stack info is as follows:\n[ 1958.311422][T11356] kernel BUG at net/core/dev.c:6442!\n[ 1958.312206][T11356] invalid opcode: 0000 [#1] PREEMPT SMP KASAN\n[ 1958.315979][T11356] RIP: 0010:napi_enable+0x16a/0x1f0\n[ 1958.332310][T11356] Call Trace:\n[ 1958.332817][T11356] <TASK>\n[ 1958.336135][T11356] lapbeth_open+0x18/0x90\n[ 1958.337446][T11356] __dev_open+0x258/0x490\n[ 1958.341672][T11356] __dev_change_flags+0x4d4/0x6a0\n[ 1958.345325][T11356] dev_change_flags+0x93/0x160\n[ 1958.346027][T11356] devinet_ioctl+0x1276/0x1bf0\n[ 1958.346738][T11356] inet_ioctl+0x1c8/0x2d0\n[ 1958.349638][T11356] sock_ioctl+0x5d1/0x750\n[ 1958.356059][T11356] __x64_sys_ioctl+0x3ec/0x1790\n[ 1958.365594][T11356] do_syscall_64+0x35/0x80\n[ 1958.366239][T11356] entry_SYSCALL_64_after_hwframe+0x46/0xb0\n[ 1958.377381][T11356] </TASK>"}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: net: lapbether: se corrige el problema de un c\u00f3digo de operaci\u00f3n no v\u00e1lido en lapbeth_open(). Si lapb_register() falla al iniciar el dispositivo lapb por primera vez, NAPI no se desactiva. Por lo tanto, el problema de c\u00f3digo de operaci\u00f3n no v\u00e1lido se reporta al iniciar el dispositivo lapb por segunda vez. La informaci\u00f3n de la pila es la siguiente: [ 1958.311422][T11356] kernel BUG at net/core/dev.c:6442! [ 1958.312206][T11356] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 1958.315979][T11356] RIP: 0010:napi_enable+0x16a/0x1f0 [ 1958.332310][T11356] Call Trace: [ 1958.332817][T11356] [ 1958.336135][T11356] lapbeth_open+0x18/0x90 [ 1958.337446][T11356] __dev_open+0x258/0x490 [ 1958.341672][T11356] __dev_change_flags+0x4d4/0x6a0 [ 1958.345325][T11356] dev_change_flags+0x93/0x160 [ 1958.346027][T11356] devinet_ioctl+0x1276/0x1bf0 [ 1958.346738][T11356] inet_ioctl+0x1c8/0x2d0 [ 1958.349638][T11356] sock_ioctl+0x5d1/0x750 [ 1958.356059][T11356] __x64_sys_ioctl+0x3ec/0x1790 [ 1958.365594][T11356] do_syscall_64+0x35/0x80 [ 1958.366239][T11356] entry_SYSCALL_64_after_hwframe+0x46/0xb0 [ 1958.377381][T11356] "}], "id": "CVE-2022-49859", "lastModified": "2025-11-10T21:03:32.930", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2025-05-01T15:16:09.510", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/3faf7e14ec0c3462c2d747fa6793b8645d1391df"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/4689bd3a1b23a1bd917899e63b81bca2ccdfab45"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/ed4940050a7ce7fc2ccd51db580ef1ade64290b1"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-787"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: net: lapbether: fix issue of invalid opcode in lapbeth_open()", "id": "2363433", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2363433"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "details": ["In the Linux kernel, the following vulnerability has been resolved:\nnet: lapbether: fix issue of invalid opcode in lapbeth_open()\nIf lapb_register() failed when lapb device goes to up for the first time,\nthe NAPI is not disabled. As a result, the invalid opcode issue is\nreported when the lapb device goes to up for the second time.\nThe stack info is as follows:\n[ 1958.311422][T11356] kernel BUG at net/core/dev.c:6442!\n[ 1958.312206][T11356] invalid opcode: 0000 [#1] PREEMPT SMP KASAN\n[ 1958.315979][T11356] RIP: 0010:napi_enable+0x16a/0x1f0\n[ 1958.332310][T11356] Call Trace:\n[ 1958.332817][T11356] <TASK>\n[ 1958.336135][T11356] lapbeth_open+0x18/0x90\n[ 1958.337446][T11356] __dev_open+0x258/0x490\n[ 1958.341672][T11356] __dev_change_flags+0x4d4/0x6a0\n[ 1958.345325][T11356] dev_change_flags+0x93/0x160\n[ 1958.346027][T11356] devinet_ioctl+0x1276/0x1bf0\n[ 1958.346738][T11356] inet_ioctl+0x1c8/0x2d0\n[ 1958.349638][T11356] sock_ioctl+0x5d1/0x750\n[ 1958.356059][T11356] __x64_sys_ioctl+0x3ec/0x1790\n[ 1958.365594][T11356] do_syscall_64+0x35/0x80\n[ 1958.366239][T11356] entry_SYSCALL_64_after_hwframe+0x46/0xb0\n[ 1958.377381][T11356] </TASK>"], "name": "CVE-2022-49859", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "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": "2025-05-01T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-49859\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-49859\nhttps://lore.kernel.org/linux-cve-announce/2025050146-CVE-2022-49859-4700@gregkh/T"], "threat_severity": "Moderate"}

{"created": "2025-07-12T15:42:41.119765+00:00", "updated": "2025-07-12T15:42:41.119811+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}