{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2023-53190", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-09-15T13:59:19.066Z", "datePublished": "2025-09-15T14:06:19.139Z", "dateUpdated": "2026-05-11T19:39:59.480Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T19:39:59.480Z" }, "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nvxlan: Fix memory leaks in error path\n\nThe memory allocated by vxlan_vnigroup_init() is not freed in the error\npath, leading to memory leaks [1]. Fix by calling\nvxlan_vnigroup_uninit() in the error path.\n\nThe leaks can be reproduced by annotating gro_cells_init() with\nALLOW_ERROR_INJECTION() and then running:\n\n # echo \"100\" > /sys/kernel/debug/fail_function/probability\n # echo \"1\" > /sys/kernel/debug/fail_function/times\n # echo \"gro_cells_init\" > /sys/kernel/debug/fail_function/inject\n # printf %#x -12 > /sys/kernel/debug/fail_function/gro_cells_init/retval\n # ip link add name vxlan0 type vxlan dstport 4789 external vnifilter\n RTNETLINK answers: Cannot allocate memory\n\n[1]\nunreferenced object 0xffff88810db84a00 (size 512):\n comm \"ip\", pid 330, jiffies 4295010045 (age 66.016s)\n hex dump (first 32 bytes):\n f8 d5 76 0e 81 88 ff ff 01 00 00 00 00 00 00 02 ..v.............\n 03 00 04 00 48 00 00 00 00 00 00 01 04 00 01 00 ....H...........\n backtrace:\n [] kmalloc_trace+0x2a/0x60\n [] vxlan_vnigroup_init+0x4c/0x160\n [] vxlan_init+0x1ae/0x280\n [] register_netdevice+0x57a/0x16d0\n [] __vxlan_dev_create+0x7c7/0xa50\n [] vxlan_newlink+0xd6/0x130\n [] __rtnl_newlink+0x112b/0x18a0\n [] rtnl_newlink+0x6c/0xa0\n [] rtnetlink_rcv_msg+0x43f/0xd40\n [] netlink_rcv_skb+0x170/0x440\n [] netlink_unicast+0x53f/0x810\n [] netlink_sendmsg+0x958/0xe70\n [] ____sys_sendmsg+0x78f/0xa90\n [] ___sys_sendmsg+0x13a/0x1e0\n [] __sys_sendmsg+0x11c/0x1f0\n [] do_syscall_64+0x38/0x80\nunreferenced object 0xffff88810e76d5f8 (size 192):\n comm \"ip\", pid 330, jiffies 4295010045 (age 66.016s)\n hex dump (first 32 bytes):\n 04 00 00 00 00 00 00 00 db e1 4f e7 00 00 00 00 ..........O.....\n 08 d6 76 0e 81 88 ff ff 08 d6 76 0e 81 88 ff ff ..v.......v.....\n backtrace:\n [] __kmalloc_node+0x4e/0x90\n [] kvmalloc_node+0xa6/0x1f0\n [] bucket_table_alloc.isra.0+0x83/0x460\n [] rhashtable_init+0x43b/0x7c0\n [] vxlan_vnigroup_init+0x6c/0x160\n [] vxlan_init+0x1ae/0x280\n [] register_netdevice+0x57a/0x16d0\n [] __vxlan_dev_create+0x7c7/0xa50\n [] vxlan_newlink+0xd6/0x130\n [] __rtnl_newlink+0x112b/0x18a0\n [] rtnl_newlink+0x6c/0xa0\n [] rtnetlink_rcv_msg+0x43f/0xd40\n [] netlink_rcv_skb+0x170/0x440\n [] netlink_unicast+0x53f/0x810\n [] netlink_sendmsg+0x958/0xe70\n [] ____sys_sendmsg+0x78f/0xa90" } ], "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": "75c1ab900f7cf0485f0be1607c79c55f51faaa90", "status": "affected", "versionType": "git" }, { "version": "f9c4bb0b245cee35ef66f75bf409c9573d934cf9", "lessThan": "5896f55810680391a32652ca2b91245a05c11e22", "status": "affected", "versionType": "git" }, { "version": "f9c4bb0b245cee35ef66f75bf409c9573d934cf9", "lessThan": "06bf62944144a92d83dd14fd1378d2a288259561", "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": "6.0.19", "lessThanOrEqual": "6.0.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.1.5", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.2", "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": "6.0.19" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.18", "versionEndExcluding": "6.1.5" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.18", "versionEndExcluding": "6.2" } ] } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/75c1ab900f7cf0485f0be1607c79c55f51faaa90" }, { "url": "https://git.kernel.org/stable/c/5896f55810680391a32652ca2b91245a05c11e22" }, { "url": "https://git.kernel.org/stable/c/06bf62944144a92d83dd14fd1378d2a288259561" } ], "title": "vxlan: Fix memory leaks in error path", "x_generator": { "engine": "bippy-1.2.0" } } } }