{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2022-49728", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-02-26T02:21:30.448Z", "datePublished": "2025-02-26T02:24:39.347Z", "dateUpdated": "2025-02-26T02:24:39.347Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-02-26T02:24:39.347Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nipv6: Fix signed integer overflow in __ip6_append_data\n\nResurrect ubsan overflow checks and ubsan report this warning,\nfix it by change the variable [length] type to size_t.\n\nUBSAN: signed-integer-overflow in net/ipv6/ip6_output.c:1489:19\n2147479552 + 8567 cannot be represented in type 'int'\nCPU: 0 PID: 253 Comm: err Not tainted 5.16.0+ #1\nHardware name: linux,dummy-virt (DT)\nCall trace:\n dump_backtrace+0x214/0x230\n show_stack+0x30/0x78\n dump_stack_lvl+0xf8/0x118\n dump_stack+0x18/0x30\n ubsan_epilogue+0x18/0x60\n handle_overflow+0xd0/0xf0\n __ubsan_handle_add_overflow+0x34/0x44\n __ip6_append_data.isra.48+0x1598/0x1688\n ip6_append_data+0x128/0x260\n udpv6_sendmsg+0x680/0xdd0\n inet6_sendmsg+0x54/0x90\n sock_sendmsg+0x70/0x88\n ____sys_sendmsg+0xe8/0x368\n ___sys_sendmsg+0x98/0xe0\n __sys_sendmmsg+0xf4/0x3b8\n __arm64_sys_sendmmsg+0x34/0x48\n invoke_syscall+0x64/0x160\n el0_svc_common.constprop.4+0x124/0x300\n do_el0_svc+0x44/0xc8\n el0_svc+0x3c/0x1e8\n el0t_64_sync_handler+0x88/0xb0\n el0t_64_sync+0x16c/0x170\n\nChanges since v1:\n-Change the variable [length] type to unsigned, as Eric Dumazet suggested.\nChanges since v2:\n-Don't change exthdrlen type in ip6_make_skb, as Paolo Abeni suggested.\nChanges since v3:\n-Don't change ulen type in udpv6_sendmsg and l2tp_ip6_sendmsg, as\nJakub Kicinski suggested."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["include/net/ipv6.h", "net/ipv6/ip6_output.c"], "versions": [{"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "84dc940890e91e42898e4443a093281702440abf", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "f93431c86b631bbca5614c66f966bf3ddb3c2803", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["include/net/ipv6.h", "net/ipv6/ip6_output.c"], "versions": [{"version": "5.18.6", "lessThanOrEqual": "5.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.19", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "references": [{"url": "https://git.kernel.org/stable/c/84dc940890e91e42898e4443a093281702440abf"}, {"url": "https://git.kernel.org/stable/c/f93431c86b631bbca5614c66f966bf3ddb3c2803"}], "title": "ipv6: Fix signed integer overflow in __ip6_append_data", "x_generator": {"engine": "bippy-5f407fcff5a0"}}}}

{}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "2D54A7D5-1B43-4A68-BEEB-808744204DED", "versionEndExcluding": "5.18.6", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.19:rc1:*:*:*:*:*:*", "matchCriteriaId": "A8C30C2D-F82D-4D37-AB48-D76ABFBD5377", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nipv6: Fix signed integer overflow in __ip6_append_data\n\nResurrect ubsan overflow checks and ubsan report this warning,\nfix it by change the variable [length] type to size_t.\n\nUBSAN: signed-integer-overflow in net/ipv6/ip6_output.c:1489:19\n2147479552 + 8567 cannot be represented in type 'int'\nCPU: 0 PID: 253 Comm: err Not tainted 5.16.0+ #1\nHardware name: linux,dummy-virt (DT)\nCall trace:\n dump_backtrace+0x214/0x230\n show_stack+0x30/0x78\n dump_stack_lvl+0xf8/0x118\n dump_stack+0x18/0x30\n ubsan_epilogue+0x18/0x60\n handle_overflow+0xd0/0xf0\n __ubsan_handle_add_overflow+0x34/0x44\n __ip6_append_data.isra.48+0x1598/0x1688\n ip6_append_data+0x128/0x260\n udpv6_sendmsg+0x680/0xdd0\n inet6_sendmsg+0x54/0x90\n sock_sendmsg+0x70/0x88\n ____sys_sendmsg+0xe8/0x368\n ___sys_sendmsg+0x98/0xe0\n __sys_sendmmsg+0xf4/0x3b8\n __arm64_sys_sendmmsg+0x34/0x48\n invoke_syscall+0x64/0x160\n el0_svc_common.constprop.4+0x124/0x300\n do_el0_svc+0x44/0xc8\n el0_svc+0x3c/0x1e8\n el0t_64_sync_handler+0x88/0xb0\n el0t_64_sync+0x16c/0x170\n\nChanges since v1:\n-Change the variable [length] type to unsigned, as Eric Dumazet suggested.\nChanges since v2:\n-Don't change exthdrlen type in ip6_make_skb, as Paolo Abeni suggested.\nChanges since v3:\n-Don't change ulen type in udpv6_sendmsg and l2tp_ip6_sendmsg, as\nJakub Kicinski suggested."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: ipv6: Corregir desbordamiento de entero con signo en __ip6_append_data Resucita los controles de desbordamiento de ubsan y ubsan informa esta advertencia, corr\u00edgela cambiando el tipo de variable [length] type to size_t. UBSAN: signed-integer-overflow in net/ipv6/ip6_output.c:1489:19 2147479552 + 8567 cannot be represented in type 'int' CPU: 0 PID: 253 Comm: err Not tainted 5.16.0+ #1 Hardware name: linux,dummy-virt (DT) Call trace: dump_backtrace+0x214/0x230 show_stack+0x30/0x78 dump_stack_lvl+0xf8/0x118 dump_stack+0x18/0x30 ubsan_epilogue+0x18/0x60 handle_overflow+0xd0/0xf0 __ubsan_handle_add_overflow+0x34/0x44 __ip6_append_data.isra.48+0x1598/0x1688 ip6_append_data+0x128/0x260 udpv6_sendmsg+0x680/0xdd0 inet6_sendmsg+0x54/0x90 sock_sendmsg+0x70/0x88 ____sys_sendmsg+0xe8/0x368 ___sys_sendmsg+0x98/0xe0 __sys_sendmmsg+0xf4/0x3b8 __arm64_sys_sendmmsg+0x34/0x48 invoke_syscall+0x64/0x160 el0_svc_common.constprop.4+0x124/0x300 do_el0_svc+0x44/0xc8 el0_svc+0x3c/0x1e8 el0t_64_sync_handler+0x88/0xb0 el0t_64_sync+0x16c/0x170 Changes since v1: -Cambiar el tipo de la variable [length] a unsigned, como sugiri\u00f3 Eric Dumazet. Cambios desde v2: -No cambiar el tipo de exthdrlen en ip6_make_skb, como sugiri\u00f3 Paolo Abeni. Cambios desde v3: -No cambiar el tipo de ulen en udpv6_sendmsg y l2tp_ip6_sendmsg, como sugiri\u00f3 Jakub Kicinski."}], "id": "CVE-2022-49728", "lastModified": "2025-03-07T20:44:17.993", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2025-02-26T07:01:48.433", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/84dc940890e91e42898e4443a093281702440abf"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/f93431c86b631bbca5614c66f966bf3ddb3c2803"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-190"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: ipv6: Fix signed integer overflow in __ip6_append_data", "id": "2348200", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2348200"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.6", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:L", "status": "draft"}, "cwe": "CWE-190", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nipv6: Fix signed integer overflow in __ip6_append_data\nResurrect ubsan overflow checks and ubsan report this warning,\nfix it by change the variable [length] type to size_t.\nUBSAN: signed-integer-overflow in net/ipv6/ip6_output.c:1489:19\n2147479552 + 8567 cannot be represented in type 'int'\nCPU: 0 PID: 253 Comm: err Not tainted 5.16.0+ #1\nHardware name: linux,dummy-virt (DT)\nCall trace:\ndump_backtrace+0x214/0x230\nshow_stack+0x30/0x78\ndump_stack_lvl+0xf8/0x118\ndump_stack+0x18/0x30\nubsan_epilogue+0x18/0x60\nhandle_overflow+0xd0/0xf0\n__ubsan_handle_add_overflow+0x34/0x44\n__ip6_append_data.isra.48+0x1598/0x1688\nip6_append_data+0x128/0x260\nudpv6_sendmsg+0x680/0xdd0\ninet6_sendmsg+0x54/0x90\nsock_sendmsg+0x70/0x88\n____sys_sendmsg+0xe8/0x368\n___sys_sendmsg+0x98/0xe0\n__sys_sendmmsg+0xf4/0x3b8\n__arm64_sys_sendmmsg+0x34/0x48\ninvoke_syscall+0x64/0x160\nel0_svc_common.constprop.4+0x124/0x300\ndo_el0_svc+0x44/0xc8\nel0_svc+0x3c/0x1e8\nel0t_64_sync_handler+0x88/0xb0\nel0t_64_sync+0x16c/0x170\nChanges since v1:\n-Change the variable [length] type to unsigned, as Eric Dumazet suggested.\nChanges since v2:\n-Don't change exthdrlen type in ip6_make_skb, as Paolo Abeni suggested.\nChanges since v3:\n-Don't change ulen type in udpv6_sendmsg and l2tp_ip6_sendmsg, as\nJakub Kicinski suggested."], "name": "CVE-2022-49728", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Out of support scope", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-02-26T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-49728\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-49728\nhttps://lore.kernel.org/linux-cve-announce/2025022634-CVE-2022-49728-1f8a@gregkh/T"], "threat_severity": "Moderate"}