{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2025-21790", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-12-29T08:45:45.766Z", "datePublished": "2025-02-27T02:18:28.375Z", "dateUpdated": "2026-05-11T21:06:32.979Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T21:06:32.979Z" }, "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nvxlan: check vxlan_vnigroup_init() return value\n\nvxlan_init() must check vxlan_vnigroup_init() success\notherwise a crash happens later, spotted by syzbot.\n\nOops: general protection fault, probably for non-canonical address 0xdffffc000000002c: 0000 [#1] PREEMPT SMP KASAN NOPTI\nKASAN: null-ptr-deref in range [0x0000000000000160-0x0000000000000167]\nCPU: 0 UID: 0 PID: 7313 Comm: syz-executor147 Not tainted 6.14.0-rc1-syzkaller-00276-g69b54314c975 #0\nHardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014\n RIP: 0010:vxlan_vnigroup_uninit+0x89/0x500 drivers/net/vxlan/vxlan_vnifilter.c:912\nCode: 00 48 8b 44 24 08 4c 8b b0 98 41 00 00 49 8d 86 60 01 00 00 48 89 c2 48 89 44 24 10 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <80> 3c 02 00 0f 85 4d 04 00 00 49 8b 86 60 01 00 00 48 ba 00 00 00\nRSP: 0018:ffffc9000cc1eea8 EFLAGS: 00010202\nRAX: dffffc0000000000 RBX: 0000000000000001 RCX: ffffffff8672effb\nRDX: 000000000000002c RSI: ffffffff8672ecb9 RDI: ffff8880461b4f18\nRBP: ffff8880461b4ef4 R08: 0000000000000001 R09: 0000000000000000\nR10: 0000000000000001 R11: 0000000000000000 R12: 0000000000020000\nR13: ffff8880461b0d80 R14: 0000000000000000 R15: dffffc0000000000\nFS: 00007fecfa95d6c0(0000) GS:ffff88806a600000(0000) knlGS:0000000000000000\nCS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: 00007fecfa95cfb8 CR3: 000000004472c000 CR4: 0000000000352ef0\nDR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\nDR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400\nCall Trace:\n \n vxlan_uninit+0x1ab/0x200 drivers/net/vxlan/vxlan_core.c:2942\n unregister_netdevice_many_notify+0x12d6/0x1f30 net/core/dev.c:11824\n unregister_netdevice_many net/core/dev.c:11866 [inline]\n unregister_netdevice_queue+0x307/0x3f0 net/core/dev.c:11736\n register_netdevice+0x1829/0x1eb0 net/core/dev.c:10901\n __vxlan_dev_create+0x7c6/0xa30 drivers/net/vxlan/vxlan_core.c:3981\n vxlan_newlink+0xd1/0x130 drivers/net/vxlan/vxlan_core.c:4407\n rtnl_newlink_create net/core/rtnetlink.c:3795 [inline]\n __rtnl_newlink net/core/rtnetlink.c:3906 [inline]" } ], "affected": [ { "product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "drivers/net/vxlan/vxlan_core.c" ], "versions": [ { "version": "f9c4bb0b245cee35ef66f75bf409c9573d934cf9", "lessThan": "79aea5e55156c87dc570e43fcd8bba01b9d6ab3f", "status": "affected", "versionType": "git" }, { "version": "f9c4bb0b245cee35ef66f75bf409c9573d934cf9", "lessThan": "a303649b99b64858d62ce7428125d8e71675d2b6", "status": "affected", "versionType": "git" }, { "version": "f9c4bb0b245cee35ef66f75bf409c9573d934cf9", "lessThan": "e860f847787fbbf0d8dacd638c019c7c3d4a9bd3", "status": "affected", "versionType": "git" }, { "version": "f9c4bb0b245cee35ef66f75bf409c9573d934cf9", "lessThan": "3215f5aafc49aaa993991633833854694e73b439", "status": "affected", "versionType": "git" }, { "version": "f9c4bb0b245cee35ef66f75bf409c9573d934cf9", "lessThan": "5805402dcc56241987bca674a1b4da79a249bab7", "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/vxlan/vxlan_core.c" ], "versions": [ { "version": "5.18", "status": "affected" }, { "version": "0", "lessThan": "5.18", "status": "unaffected", "versionType": "semver" }, { "version": "6.1.129", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.6.79", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.12.16", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.13.4", "lessThanOrEqual": "6.13.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.14", "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": "5.18", "versionEndExcluding": "6.1.129" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.18", "versionEndExcluding": "6.6.79" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.18", "versionEndExcluding": "6.12.16" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.18", "versionEndExcluding": "6.13.4" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.18", "versionEndExcluding": "6.14" } ] } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/79aea5e55156c87dc570e43fcd8bba01b9d6ab3f" }, { "url": "https://git.kernel.org/stable/c/a303649b99b64858d62ce7428125d8e71675d2b6" }, { "url": "https://git.kernel.org/stable/c/e860f847787fbbf0d8dacd638c019c7c3d4a9bd3" }, { "url": "https://git.kernel.org/stable/c/3215f5aafc49aaa993991633833854694e73b439" }, { "url": "https://git.kernel.org/stable/c/5805402dcc56241987bca674a1b4da79a249bab7" } ], "title": "vxlan: check vxlan_vnigroup_init() return value", "x_generator": { "engine": "bippy-1.2.0" } }, "adp": [ { "metrics": [ { "cvssV3_1": { "scope": "UNCHANGED", "version": "3.1", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE" } }, { "other": { "type": "ssvc", "content": { "id": "CVE-2025-21790", "role": "CISA Coordinator", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "partial" } ], "version": "2.0.3", "timestamp": "2025-10-01T19:29:54.268041Z" } } } ], "problemTypes": [ { "descriptions": [ { "lang": "en", "type": "CWE", "cweId": "CWE-476", "description": "CWE-476 NULL Pointer Dereference" } ] } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-10-01T19:36:39.596Z" } }, { "title": "CVE Program Container", "references": [ { "url": "https://lists.debian.org/debian-lts-announce/2025/03/msg00028.html" } ], "providerMetadata": { "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2025-11-03T20:59:33.266Z" } } ] } }