{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2022-49959", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-06-18T10:57:27.383Z", "datePublished": "2025-06-18T11:00:20.749Z", "dateUpdated": "2026-05-11T19:09:59.282Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T19:09:59.282Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nopenvswitch: fix memory leak at failed datapath creation\n\novs_dp_cmd_new()->ovs_dp_change()->ovs_dp_set_upcall_portids()\nallocates array via kmalloc.\nIf for some reason new_vport() fails during ovs_dp_cmd_new()\ndp->upcall_portids must be freed.\nAdd missing kfree.\n\nKmemleak example:\nunreferenced object 0xffff88800c382500 (size 64):\n comm \"dump_state\", pid 323, jiffies 4294955418 (age 104.347s)\n hex dump (first 32 bytes):\n 5e c2 79 e4 1f 7a 38 c7 09 21 38 0c 80 88 ff ff ^.y..z8..!8.....\n 03 00 00 00 0a 00 00 00 14 00 00 00 28 00 00 00 ............(...\n backtrace:\n [<0000000071bebc9f>] ovs_dp_set_upcall_portids+0x38/0xa0\n [<000000000187d8bd>] ovs_dp_change+0x63/0xe0\n [<000000002397e446>] ovs_dp_cmd_new+0x1f0/0x380\n [<00000000aa06f36e>] genl_family_rcv_msg_doit+0xea/0x150\n [<000000008f583bc4>] genl_rcv_msg+0xdc/0x1e0\n [<00000000fa10e377>] netlink_rcv_skb+0x50/0x100\n [<000000004959cece>] genl_rcv+0x24/0x40\n [<000000004699ac7f>] netlink_unicast+0x23e/0x360\n [<00000000c153573e>] netlink_sendmsg+0x24e/0x4b0\n [<000000006f4aa380>] sock_sendmsg+0x62/0x70\n [<00000000d0068654>] ____sys_sendmsg+0x230/0x270\n [<0000000012dacf7d>] ___sys_sendmsg+0x88/0xd0\n [<0000000011776020>] __sys_sendmsg+0x59/0xa0\n [<000000002e8f2dc1>] do_syscall_64+0x3b/0x90\n [<000000003243e7cb>] entry_SYSCALL_64_after_hwframe+0x63/0xcd"}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/openvswitch/datapath.c"], "versions": [{"version": "b83d23a2a38b1770da0491257ae81d52307f7816", "lessThan": "ca54b2bfaab385778e55a9fd33f6c31e7f743b48", "status": "affected", "versionType": "git"}, {"version": "b83d23a2a38b1770da0491257ae81d52307f7816", "lessThan": "c0c1c0241917459644326a1a3102207c871ae159", "status": "affected", "versionType": "git"}, {"version": "b83d23a2a38b1770da0491257ae81d52307f7816", "lessThan": "a87406f4adee9c53b311d8a1ba2849c69e29a6d0", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/openvswitch/datapath.c"], "versions": [{"version": "5.15", "status": "affected"}, {"version": "0", "lessThan": "5.15", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.66", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.19.8", "lessThanOrEqual": "5.19.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.0", "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": "5.15", "versionEndExcluding": "5.15.66"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.15", "versionEndExcluding": "5.19.8"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.15", "versionEndExcluding": "6.0"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/ca54b2bfaab385778e55a9fd33f6c31e7f743b48"}, {"url": "https://git.kernel.org/stable/c/c0c1c0241917459644326a1a3102207c871ae159"}, {"url": "https://git.kernel.org/stable/c/a87406f4adee9c53b311d8a1ba2849c69e29a6d0"}], "title": "openvswitch: fix memory leak at failed datapath creation", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "92264A00-0618-4F99-926E-A01E06AFEBEC", "versionEndExcluding": "5.15.66", "versionStartIncluding": "5.15", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "7FEC7656-4CE2-424C-8830-EDB160E701C8", "versionEndExcluding": "5.19.8", "versionStartIncluding": "5.16", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.0:rc1:*:*:*:*:*:*", "matchCriteriaId": "E8BD11A3-8643-49B6-BADE-5029A0117325", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.0:rc2:*:*:*:*:*:*", "matchCriteriaId": "5F0AD220-F6A9-4012-8636-155F1B841FAD", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.0:rc3:*:*:*:*:*:*", "matchCriteriaId": "A46498B3-78E1-4623-AAE1-94D29A42BE4E", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nopenvswitch: fix memory leak at failed datapath creation\n\novs_dp_cmd_new()->ovs_dp_change()->ovs_dp_set_upcall_portids()\nallocates array via kmalloc.\nIf for some reason new_vport() fails during ovs_dp_cmd_new()\ndp->upcall_portids must be freed.\nAdd missing kfree.\n\nKmemleak example:\nunreferenced object 0xffff88800c382500 (size 64):\n comm \"dump_state\", pid 323, jiffies 4294955418 (age 104.347s)\n hex dump (first 32 bytes):\n 5e c2 79 e4 1f 7a 38 c7 09 21 38 0c 80 88 ff ff ^.y..z8..!8.....\n 03 00 00 00 0a 00 00 00 14 00 00 00 28 00 00 00 ............(...\n backtrace:\n [<0000000071bebc9f>] ovs_dp_set_upcall_portids+0x38/0xa0\n [<000000000187d8bd>] ovs_dp_change+0x63/0xe0\n [<000000002397e446>] ovs_dp_cmd_new+0x1f0/0x380\n [<00000000aa06f36e>] genl_family_rcv_msg_doit+0xea/0x150\n [<000000008f583bc4>] genl_rcv_msg+0xdc/0x1e0\n [<00000000fa10e377>] netlink_rcv_skb+0x50/0x100\n [<000000004959cece>] genl_rcv+0x24/0x40\n [<000000004699ac7f>] netlink_unicast+0x23e/0x360\n [<00000000c153573e>] netlink_sendmsg+0x24e/0x4b0\n [<000000006f4aa380>] sock_sendmsg+0x62/0x70\n [<00000000d0068654>] ____sys_sendmsg+0x230/0x270\n [<0000000012dacf7d>] ___sys_sendmsg+0x88/0xd0\n [<0000000011776020>] __sys_sendmsg+0x59/0xa0\n [<000000002e8f2dc1>] do_syscall_64+0x3b/0x90\n [<000000003243e7cb>] entry_SYSCALL_64_after_hwframe+0x63/0xcd"}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: openvswitch: se corrige una fuga de memoria al crear una ruta de datos fallida. ovs_dp_cmd_new()-&gt;ovs_dp_change()-&gt;ovs_dp_set_upcall_portids() asigna una matriz mediante kmalloc. Si por alguna raz\u00f3n new_vport() falla durante ovs_dp_cmd_new(), se debe liberar dp-&gt;upcall_portids. Se a\u00f1ade la falta de kfree. Ejemplo de Kmemleak: objeto sin referencia 0xffff88800c382500 (tama\u00f1o 64): comm \"dump_state\", pid 323, jiffies 4294955418 (edad 104.347s) volcado hexadecimal (primeros 32 bytes): 5e c2 79 e4 1f 7a 38 c7 09 21 38 0c 80 88 ff ff ^.y..z8..!8..... 03 00 00 00 0a 00 00 00 14 00 00 00 28 00 00 00 ............(... backtrace: [&lt;0000000071bebc9f&gt;] ovs_dp_set_upcall_portids+0x38/0xa0 [&lt;000000000187d8bd&gt;] ovs_dp_change+0x63/0xe0 [&lt;000000002397e446&gt;] ovs_dp_cmd_new+0x1f0/0x380 [&lt;00000000aa06f36e&gt;] genl_family_rcv_msg_doit+0xea/0x150 [&lt;000000008f583bc4&gt;] genl_rcv_msg+0xdc/0x1e0 [&lt;00000000fa10e377&gt;] netlink_rcv_skb+0x50/0x100 [&lt;000000004959cece&gt;] genl_rcv+0x24/0x40 [&lt;000000004699ac7f&gt;] netlink_unicast+0x23e/0x360 [&lt;00000000c153573e&gt;] netlink_sendmsg+0x24e/0x4b0 [&lt;000000006f4aa380&gt;] sock_sendmsg+0x62/0x70 [&lt;00000000d0068654&gt;] ____sys_sendmsg+0x230/0x270 [&lt;0000000012dacf7d&gt;] ___sys_sendmsg+0x88/0xd0 [&lt;0000000011776020&gt;] __sys_sendmsg+0x59/0xa0 [&lt;000000002e8f2dc1&gt;] do_syscall_64+0x3b/0x90 [&lt;000000003243e7cb&gt;] entry_SYSCALL_64_after_hwframe+0x63/0xcd "}], "id": "CVE-2022-49959", "lastModified": "2025-11-14T18:09:58.837", "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": "2025-06-18T11:15:23.127", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/a87406f4adee9c53b311d8a1ba2849c69e29a6d0"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/c0c1c0241917459644326a1a3102207c871ae159"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/ca54b2bfaab385778e55a9fd33f6c31e7f743b48"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-401"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: openvswitch: fix memory leak at failed datapath creation", "id": "2373521", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2373521"}, "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:\nopenvswitch: fix memory leak at failed datapath creation\novs_dp_cmd_new()->ovs_dp_change()->ovs_dp_set_upcall_portids()\nallocates array via kmalloc.\nIf for some reason new_vport() fails during ovs_dp_cmd_new()\ndp->upcall_portids must be freed.\nAdd missing kfree.\nKmemleak example:\nunreferenced object 0xffff88800c382500 (size 64):\ncomm \"dump_state\", pid 323, jiffies 4294955418 (age 104.347s)\nhex dump (first 32 bytes):\n5e c2 79 e4 1f 7a 38 c7 09 21 38 0c 80 88 ff ff ^.y..z8..!8.....\n03 00 00 00 0a 00 00 00 14 00 00 00 28 00 00 00 ............(...\nbacktrace:\n[<0000000071bebc9f>] ovs_dp_set_upcall_portids+0x38/0xa0\n[<000000000187d8bd>] ovs_dp_change+0x63/0xe0\n[<000000002397e446>] ovs_dp_cmd_new+0x1f0/0x380\n[<00000000aa06f36e>] genl_family_rcv_msg_doit+0xea/0x150\n[<000000008f583bc4>] genl_rcv_msg+0xdc/0x1e0\n[<00000000fa10e377>] netlink_rcv_skb+0x50/0x100\n[<000000004959cece>] genl_rcv+0x24/0x40\n[<000000004699ac7f>] netlink_unicast+0x23e/0x360\n[<00000000c153573e>] netlink_sendmsg+0x24e/0x4b0\n[<000000006f4aa380>] sock_sendmsg+0x62/0x70\n[<00000000d0068654>] ____sys_sendmsg+0x230/0x270\n[<0000000012dacf7d>] ___sys_sendmsg+0x88/0xd0\n[<0000000011776020>] __sys_sendmsg+0x59/0xa0\n[<000000002e8f2dc1>] do_syscall_64+0x3b/0x90\n[<000000003243e7cb>] entry_SYSCALL_64_after_hwframe+0x63/0xcd"], "name": "CVE-2022-49959", "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": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-06-18T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-49959\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-49959\nhttps://lore.kernel.org/linux-cve-announce/2025061813-CVE-2022-49959-d2b7@gregkh/T"], "threat_severity": "Low"}

{"created": "2025-06-23T08:20:14.526723+00:00", "updated": "2025-06-23T08:20:14.526770+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}