{ "data_version": "4.0", "data_type": "CVE", "data_format": "MITRE", "CVE_data_meta": { "ID": "CVE-2023-52698", "ASSIGNER": "cve@kernel.org", "STATE": "PUBLIC" }, "description": { "description_data": [ { "lang": "eng", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncalipso: fix memory leak in netlbl_calipso_add_pass()\n\nIf IPv6 support is disabled at boot (ipv6.disable=1),\nthe calipso_init() -> netlbl_calipso_ops_register() function isn't called,\nand the netlbl_calipso_ops_get() function always returns NULL.\nIn this case, the netlbl_calipso_add_pass() function allocates memory\nfor the doi_def variable but doesn't free it with the calipso_doi_free().\n\nBUG: memory leak\nunreferenced object 0xffff888011d68180 (size 64):\n comm \"syz-executor.1\", pid 10746, jiffies 4295410986 (age 17.928s)\n hex dump (first 32 bytes):\n 00 00 00 00 02 00 00 00 00 00 00 00 00 00 00 00 ................\n 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................\n backtrace:\n [<...>] kmalloc include/linux/slab.h:552 [inline]\n [<...>] netlbl_calipso_add_pass net/netlabel/netlabel_calipso.c:76 [inline]\n [<...>] netlbl_calipso_add+0x22e/0x4f0 net/netlabel/netlabel_calipso.c:111\n [<...>] genl_family_rcv_msg_doit+0x22f/0x330 net/netlink/genetlink.c:739\n [<...>] genl_family_rcv_msg net/netlink/genetlink.c:783 [inline]\n [<...>] genl_rcv_msg+0x341/0x5a0 net/netlink/genetlink.c:800\n [<...>] netlink_rcv_skb+0x14d/0x440 net/netlink/af_netlink.c:2515\n [<...>] genl_rcv+0x29/0x40 net/netlink/genetlink.c:811\n [<...>] netlink_unicast_kernel net/netlink/af_netlink.c:1313 [inline]\n [<...>] netlink_unicast+0x54b/0x800 net/netlink/af_netlink.c:1339\n [<...>] netlink_sendmsg+0x90a/0xdf0 net/netlink/af_netlink.c:1934\n [<...>] sock_sendmsg_nosec net/socket.c:651 [inline]\n [<...>] sock_sendmsg+0x157/0x190 net/socket.c:671\n [<...>] ____sys_sendmsg+0x712/0x870 net/socket.c:2342\n [<...>] ___sys_sendmsg+0xf8/0x170 net/socket.c:2396\n [<...>] __sys_sendmsg+0xea/0x1b0 net/socket.c:2429\n [<...>] do_syscall_64+0x30/0x40 arch/x86/entry/common.c:46\n [<...>] entry_SYSCALL_64_after_hwframe+0x61/0xc6\n\nFound by InfoTeCS on behalf of Linux Verification Center\n(linuxtesting.org) with Syzkaller\n\n[PM: merged via the LSM tree at Jakub Kicinski request]" } ] }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "n/a" } ] } ] }, "affects": { "vendor": { "vendor_data": [ { "vendor_name": "Linux", "product": { "product_data": [ { "product_name": "Linux", "version": { "version_data": [ { "version_affected": "<", "version_name": "cb72d38211ea", "version_value": "9a8f811a146a" }, { "version_value": "not down converted", "x_cve_json_5_version_data": { "versions": [ { "version": "4.8", "status": "affected" }, { "version": "0", "lessThan": "4.8", "status": "unaffected", "versionType": "custom" }, { "version": "4.19.306", "lessThanOrEqual": "4.19.*", "status": "unaffected", "versionType": "custom" }, { "version": "5.4.268", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "custom" }, { "version": "5.10.209", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "custom" }, { "version": "5.15.148", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "custom" }, { "version": "6.1.75", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "custom" }, { "version": "6.6.14", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "custom" }, { "version": "6.7.2", "lessThanOrEqual": "6.7.*", "status": "unaffected", "versionType": "custom" }, { "version": "6.8", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix" } ], "defaultStatus": "affected" } } ] } } ] } } ] } }, "references": { "reference_data": [ { "url": "https://git.kernel.org/stable/c/9a8f811a146aa2a0230f8edb2e9f4b6609aab8da", "refsource": "MISC", "name": "https://git.kernel.org/stable/c/9a8f811a146aa2a0230f8edb2e9f4b6609aab8da" }, { "url": "https://git.kernel.org/stable/c/36e19f84634aaa94f543fedc0a07588949638d53", "refsource": "MISC", "name": "https://git.kernel.org/stable/c/36e19f84634aaa94f543fedc0a07588949638d53" }, { "url": "https://git.kernel.org/stable/c/44a88650ba55e6a7f2ec485d2c2413ba7e216f01", "refsource": "MISC", "name": "https://git.kernel.org/stable/c/44a88650ba55e6a7f2ec485d2c2413ba7e216f01" }, { "url": "https://git.kernel.org/stable/c/a4529a08d3704c17ea9c7277d180e46b99250ded", "refsource": "MISC", "name": "https://git.kernel.org/stable/c/a4529a08d3704c17ea9c7277d180e46b99250ded" }, { "url": "https://git.kernel.org/stable/c/321b3a5592c8a9d6b654c7c64833ea67dbb33149", "refsource": "MISC", "name": "https://git.kernel.org/stable/c/321b3a5592c8a9d6b654c7c64833ea67dbb33149" }, { "url": "https://git.kernel.org/stable/c/408bbd1e1746fe33e51f4c81c2febd7d3841d031", "refsource": "MISC", "name": "https://git.kernel.org/stable/c/408bbd1e1746fe33e51f4c81c2febd7d3841d031" }, { "url": "https://git.kernel.org/stable/c/f14d36e6e97fe935a20e0ceb159c100f90b6627c", "refsource": "MISC", "name": "https://git.kernel.org/stable/c/f14d36e6e97fe935a20e0ceb159c100f90b6627c" }, { "url": "https://git.kernel.org/stable/c/ec4e9d630a64df500641892f4e259e8149594a99", "refsource": "MISC", "name": "https://git.kernel.org/stable/c/ec4e9d630a64df500641892f4e259e8149594a99" }, { "url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00016.html", "refsource": "MISC", "name": "https://lists.debian.org/debian-lts-announce/2024/06/msg00016.html" }, { "url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html", "refsource": "MISC", "name": "https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html" } ] }, "generator": { "engine": "bippy-a5840b7849dd" } }