cve-2023-52698
Vulnerability from cvelistv5
Published
2024-05-17 14:27
Modified
2024-08-02 23:11
Severity
Summary
calipso: fix memory leak in netlbl_calipso_add_pass()
References
SourceURLTags
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/321b3a5592c8a9d6b654c7c64833ea67dbb33149
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/36e19f84634aaa94f543fedc0a07588949638d53
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/408bbd1e1746fe33e51f4c81c2febd7d3841d031
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/44a88650ba55e6a7f2ec485d2c2413ba7e216f01
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/9a8f811a146aa2a0230f8edb2e9f4b6609aab8da
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/a4529a08d3704c17ea9c7277d180e46b99250ded
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/ec4e9d630a64df500641892f4e259e8149594a99
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/f14d36e6e97fe935a20e0ceb159c100f90b6627c
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://lists.debian.org/debian-lts-announce/2024/06/msg00016.html
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html
Impacted products
VendorProduct
LinuxLinux
LinuxLinux
Show details on NVD website

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          "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() -\u003e netlbl_calipso_ops_register() function isn\u0027t 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\u0027t 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    [\u003c...\u003e] kmalloc include/linux/slab.h:552 [inline]\n    [\u003c...\u003e] netlbl_calipso_add_pass net/netlabel/netlabel_calipso.c:76 [inline]\n    [\u003c...\u003e] netlbl_calipso_add+0x22e/0x4f0 net/netlabel/netlabel_calipso.c:111\n    [\u003c...\u003e] genl_family_rcv_msg_doit+0x22f/0x330 net/netlink/genetlink.c:739\n    [\u003c...\u003e] genl_family_rcv_msg net/netlink/genetlink.c:783 [inline]\n    [\u003c...\u003e] genl_rcv_msg+0x341/0x5a0 net/netlink/genetlink.c:800\n    [\u003c...\u003e] netlink_rcv_skb+0x14d/0x440 net/netlink/af_netlink.c:2515\n    [\u003c...\u003e] genl_rcv+0x29/0x40 net/netlink/genetlink.c:811\n    [\u003c...\u003e] netlink_unicast_kernel net/netlink/af_netlink.c:1313 [inline]\n    [\u003c...\u003e] netlink_unicast+0x54b/0x800 net/netlink/af_netlink.c:1339\n    [\u003c...\u003e] netlink_sendmsg+0x90a/0xdf0 net/netlink/af_netlink.c:1934\n    [\u003c...\u003e] sock_sendmsg_nosec net/socket.c:651 [inline]\n    [\u003c...\u003e] sock_sendmsg+0x157/0x190 net/socket.c:671\n    [\u003c...\u003e] ____sys_sendmsg+0x712/0x870 net/socket.c:2342\n    [\u003c...\u003e] ___sys_sendmsg+0xf8/0x170 net/socket.c:2396\n    [\u003c...\u003e] __sys_sendmsg+0xea/0x1b0 net/socket.c:2429\n    [\u003c...\u003e] do_syscall_64+0x30/0x40 arch/x86/entry/common.c:46\n    [\u003c...\u003e] 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]"
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    "cveId": "CVE-2023-52698",
    "datePublished": "2024-05-17T14:27:29.885Z",
    "dateReserved": "2024-03-07T14:49:46.889Z",
    "dateUpdated": "2024-08-02T23:11:34.958Z",
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    "nvd": "{\"cve\":{\"id\":\"CVE-2023-52698\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-05-17T15:15:20.693\",\"lastModified\":\"2024-06-27T12:15:16.323\",\"vulnStatus\":\"Awaiting Analysis\",\"descriptions\":[{\"lang\":\"en\",\"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() -\u003e netlbl_calipso_ops_register() function isn\u0027t 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\u0027t 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    [\u003c...\u003e] kmalloc include/linux/slab.h:552 [inline]\\n    [\u003c...\u003e] netlbl_calipso_add_pass net/netlabel/netlabel_calipso.c:76 [inline]\\n    [\u003c...\u003e] netlbl_calipso_add+0x22e/0x4f0 net/netlabel/netlabel_calipso.c:111\\n    [\u003c...\u003e] genl_family_rcv_msg_doit+0x22f/0x330 net/netlink/genetlink.c:739\\n    [\u003c...\u003e] genl_family_rcv_msg net/netlink/genetlink.c:783 [inline]\\n    [\u003c...\u003e] genl_rcv_msg+0x341/0x5a0 net/netlink/genetlink.c:800\\n    [\u003c...\u003e] netlink_rcv_skb+0x14d/0x440 net/netlink/af_netlink.c:2515\\n    [\u003c...\u003e] genl_rcv+0x29/0x40 net/netlink/genetlink.c:811\\n    [\u003c...\u003e] netlink_unicast_kernel net/netlink/af_netlink.c:1313 [inline]\\n    [\u003c...\u003e] netlink_unicast+0x54b/0x800 net/netlink/af_netlink.c:1339\\n    [\u003c...\u003e] netlink_sendmsg+0x90a/0xdf0 net/netlink/af_netlink.c:1934\\n    [\u003c...\u003e] sock_sendmsg_nosec net/socket.c:651 [inline]\\n    [\u003c...\u003e] sock_sendmsg+0x157/0x190 net/socket.c:671\\n    [\u003c...\u003e] ____sys_sendmsg+0x712/0x870 net/socket.c:2342\\n    [\u003c...\u003e] ___sys_sendmsg+0xf8/0x170 net/socket.c:2396\\n    [\u003c...\u003e] __sys_sendmsg+0xea/0x1b0 net/socket.c:2429\\n    [\u003c...\u003e] do_syscall_64+0x30/0x40 arch/x86/entry/common.c:46\\n    [\u003c...\u003e] 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]\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: calipso: corrige la p\u00e9rdida de memoria en netlbl_calipso_add_pass() Si la compatibilidad con IPv6 est\u00e1 deshabilitada en el arranque (ipv6.disable=1), no se llama a la funci\u00f3n calipso_init() -\u0026gt; netlbl_calipso_ops_register() y la funci\u00f3n netlbl_calipso_ops_get() siempre devuelve NULL. En este caso, la funci\u00f3n netlbl_calipso_add_pass() asigna memoria para la variable doi_def pero no la libera con calipso_doi_free(). ERROR: p\u00e9rdida de memoria, objeto sin referencia 0xffff888011d68180 (tama\u00f1o 64): comunicaci\u00f3n \\\"syz-executor.1\\\", pid 10746, jiffies 4295410986 (edad 17,928 s) volcado hexadecimal (primeros 32 bytes): 00 00 00 00 02 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................. ... seguimiento: [\u0026lt;...\u0026gt;] kmalloc include/linux/slab.h:552 [en l\u00ednea] [\u0026lt;...\u0026gt;] netlbl_calipso_add_pass net/netlabel/netlabel_calipso.c:76 [en l\u00ednea] [\u0026lt;... \u0026gt;] netlbl_calipso_add+0x22e/0x4f0 net/netlabel/netlabel_calipso.c:111 [\u0026lt;...\u0026gt;] genl_family_rcv_msg_doit+0x22f/0x330 net/netlink/genetlink.c:739 [\u0026lt;...\u0026gt;] genl_family_rcv_msg net/netlink/genetlink .c:783 [en l\u00ednea] [\u0026lt;...\u0026gt;] genl_rcv_msg+0x341/0x5a0 net/netlink/genetlink.c:800 [\u0026lt;...\u0026gt;] netlink_rcv_skb+0x14d/0x440 net/netlink/af_netlink.c:2515 [ \u0026lt;...\u0026gt;] genl_rcv+0x29/0x40 net/netlink/genetlink.c:811 [\u0026lt;...\u0026gt;] netlink_unicast_kernel net/netlink/af_netlink.c:1313 [en l\u00ednea] [\u0026lt;...\u0026gt;] netlink_unicast+0x54b /0x800 net/netlink/af_netlink.c:1339 [\u0026lt;...\u0026gt;] netlink_sendmsg+0x90a/0xdf0 net/netlink/af_netlink.c:1934 [\u0026lt;...\u0026gt;] sock_sendmsg_nosec net/socket.c:651 [en l\u00ednea] [\u0026lt;...\u0026gt;] sock_sendmsg+0x157/0x190 net/socket.c:671 [\u0026lt;...\u0026gt;] ____sys_sendmsg+0x712/0x870 net/socket.c:2342 [\u0026lt;...\u0026gt;] ___sys_sendmsg+0xf8/0x170 net/socket.c:2396 [\u0026lt;...\u0026gt;] __sys_sendmsg+0xea/0x1b0 net/socket.c:2429 [\u0026lt;...\u0026gt;] do_syscall_64+0x30/0x40 arch/x86/entry/common.c:46 [ \u0026lt;...\u0026gt;] Entry_SYSCALL_64_after_hwframe+0x61/0xc6 Encontrado por InfoTeCS en nombre del Centro de verificaci\u00f3n de Linux (linuxtesting.org) con Syzkaller [PM: fusionado a trav\u00e9s del \u00e1rbol LSM a petici\u00f3n de Jakub Kicinski]\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/321b3a5592c8a9d6b654c7c64833ea67dbb33149\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/36e19f84634aaa94f543fedc0a07588949638d53\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/408bbd1e1746fe33e51f4c81c2febd7d3841d031\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/44a88650ba55e6a7f2ec485d2c2413ba7e216f01\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/9a8f811a146aa2a0230f8edb2e9f4b6609aab8da\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/a4529a08d3704c17ea9c7277d180e46b99250ded\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/ec4e9d630a64df500641892f4e259e8149594a99\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/f14d36e6e97fe935a20e0ceb159c100f90b6627c\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://lists.debian.org/debian-lts-announce/2024/06/msg00016.html\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
  }
}


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