{"id":"CVE-2023-52698","state":"PUBLISHED","title":"calipso: fix memory leak in netlbl_calipso_add_pass()","description":"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]","publishedAt":"2024-05-17T14:27:29.885Z","updatedAt":"2026-05-11T19:31:55.309Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"cb72d38211eacda2dd90b09540542b6582da614e","status":"affected","lessThan":"9a8f811a146aa2a0230f8edb2e9f4b6609aab8da","versionType":"git"},{"version":"cb72d38211eacda2dd90b09540542b6582da614e","status":"affected","lessThan":"36e19f84634aaa94f543fedc0a07588949638d53","versionType":"git"},{"version":"cb72d38211eacda2dd90b09540542b6582da614e","status":"affected","lessThan":"44a88650ba55e6a7f2ec485d2c2413ba7e216f01","versionType":"git"},{"version":"cb72d38211eacda2dd90b09540542b6582da614e","status":"affected","lessThan":"a4529a08d3704c17ea9c7277d180e46b99250ded","versionType":"git"},{"version":"cb72d38211eacda2dd90b09540542b6582da614e","status":"affected","lessThan":"321b3a5592c8a9d6b654c7c64833ea67dbb33149","versionType":"git"},{"version":"cb72d38211eacda2dd90b09540542b6582da614e","status":"affected","lessThan":"408bbd1e1746fe33e51f4c81c2febd7d3841d031","versionType":"git"},{"version":"cb72d38211eacda2dd90b09540542b6582da614e","status":"affected","lessThan":"f14d36e6e97fe935a20e0ceb159c100f90b6627c","versionType":"git"},{"version":"cb72d38211eacda2dd90b09540542b6582da614e","status":"affected","lessThan":"ec4e9d630a64df500641892f4e259e8149594a99","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/netlabel/netlabel_calipso.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.8","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.8","versionType":"semver"},{"version":"4.19.306","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.268","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.209","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.148","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.75","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.14","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.7.2","status":"unaffected","lessThanOrEqual":"6.7.*","versionType":"semver"},{"version":"6.8","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/netlabel/netlabel_calipso.c"]}],"references":["https://git.kernel.org/stable/c/9a8f811a146aa2a0230f8edb2e9f4b6609aab8da","https://git.kernel.org/stable/c/36e19f84634aaa94f543fedc0a07588949638d53","https://git.kernel.org/stable/c/44a88650ba55e6a7f2ec485d2c2413ba7e216f01","https://git.kernel.org/stable/c/a4529a08d3704c17ea9c7277d180e46b99250ded","https://git.kernel.org/stable/c/321b3a5592c8a9d6b654c7c64833ea67dbb33149","https://git.kernel.org/stable/c/408bbd1e1746fe33e51f4c81c2febd7d3841d031","https://git.kernel.org/stable/c/f14d36e6e97fe935a20e0ceb159c100f90b6627c","https://git.kernel.org/stable/c/ec4e9d630a64df500641892f4e259e8149594a99","https://lists.debian.org/debian-lts-announce/2024/06/msg00016.html","https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html"],"weaknesses":[],"ingestedAt":"2026-10-29T20:06:33.064Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/52xxx/CVE-2023-52698.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2023-52698","state":"PUBLISHED","datePublished":"2024-05-17T14:27:29.885Z","dateUpdated":"2026-05-11T19:31:55.309Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2024-03-07T14:49:46.889Z"},"containers":{"cna":{"title":"calipso: fix memory leak in netlbl_calipso_add_pass()","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() -> 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]"}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"cb72d38211eacda2dd90b09540542b6582da614e","status":"affected","lessThan":"9a8f811a146aa2a0230f8edb2e9f4b6609aab8da","versionType":"git"},{"version":"cb72d38211eacda2dd90b09540542b6582da614e","status":"affected","lessThan":"36e19f84634aaa94f543fedc0a07588949638d53","versionType":"git"},{"version":"cb72d38211eacda2dd90b09540542b6582da614e","status":"affected","lessThan":"44a88650ba55e6a7f2ec485d2c2413ba7e216f01","versionType":"git"},{"version":"cb72d38211eacda2dd90b09540542b6582da614e","status":"affected","lessThan":"a4529a08d3704c17ea9c7277d180e46b99250ded","versionType":"git"},{"version":"cb72d38211eacda2dd90b09540542b6582da614e","status":"affected","lessThan":"321b3a5592c8a9d6b654c7c64833ea67dbb33149","versionType":"git"},{"version":"cb72d38211eacda2dd90b09540542b6582da614e","status":"affected","lessThan":"408bbd1e1746fe33e51f4c81c2febd7d3841d031","versionType":"git"},{"version":"cb72d38211eacda2dd90b09540542b6582da614e","status":"affected","lessThan":"f14d36e6e97fe935a20e0ceb159c100f90b6627c","versionType":"git"},{"version":"cb72d38211eacda2dd90b09540542b6582da614e","status":"affected","lessThan":"ec4e9d630a64df500641892f4e259e8149594a99","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/netlabel/netlabel_calipso.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.8","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.8","versionType":"semver"},{"version":"4.19.306","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.268","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.209","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.148","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.75","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.14","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.7.2","status":"unaffected","lessThanOrEqual":"6.7.*","versionType":"semver"},{"version":"6.8","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/netlabel/netlabel_calipso.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/9a8f811a146aa2a0230f8edb2e9f4b6609aab8da"},{"url":"https://git.kernel.org/stable/c/36e19f84634aaa94f543fedc0a07588949638d53"},{"url":"https://git.kernel.org/stable/c/44a88650ba55e6a7f2ec485d2c2413ba7e216f01"},{"url":"https://git.kernel.org/stable/c/a4529a08d3704c17ea9c7277d180e46b99250ded"},{"url":"https://git.kernel.org/stable/c/321b3a5592c8a9d6b654c7c64833ea67dbb33149"},{"url":"https://git.kernel.org/stable/c/408bbd1e1746fe33e51f4c81c2febd7d3841d031"},{"url":"https://git.kernel.org/stable/c/f14d36e6e97fe935a20e0ceb159c100f90b6627c"},{"url":"https://git.kernel.org/stable/c/ec4e9d630a64df500641892f4e259e8149594a99"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T19:31:55.309Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.8","versionEndExcluding":"4.19.306"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.8","versionEndExcluding":"5.4.268"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.8","versionEndExcluding":"5.10.209"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.8","versionEndExcluding":"5.15.148"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.8","versionEndExcluding":"6.1.75"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.8","versionEndExcluding":"6.6.14"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.8","versionEndExcluding":"6.7.2"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.8","versionEndExcluding":"6.8"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"title":"CISA 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