CVE-2023-52698 (GCVE-0-2023-52698)

Vulnerability from cvelistv5 – Published: 2024-05-17 14:27 – Updated: 2025-05-04 07:41
VLAI?
Title
calipso: fix memory leak in netlbl_calipso_add_pass()
Summary
In the Linux kernel, the following vulnerability has been resolved: calipso: fix memory leak in netlbl_calipso_add_pass() If IPv6 support is disabled at boot (ipv6.disable=1), the calipso_init() -> netlbl_calipso_ops_register() function isn't called, and the netlbl_calipso_ops_get() function always returns NULL. In this case, the netlbl_calipso_add_pass() function allocates memory for the doi_def variable but doesn't free it with the calipso_doi_free(). BUG: memory leak unreferenced object 0xffff888011d68180 (size 64): comm "syz-executor.1", pid 10746, jiffies 4295410986 (age 17.928s) hex dump (first 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 ................ backtrace: [<...>] kmalloc include/linux/slab.h:552 [inline] [<...>] netlbl_calipso_add_pass net/netlabel/netlabel_calipso.c:76 [inline] [<...>] netlbl_calipso_add+0x22e/0x4f0 net/netlabel/netlabel_calipso.c:111 [<...>] genl_family_rcv_msg_doit+0x22f/0x330 net/netlink/genetlink.c:739 [<...>] genl_family_rcv_msg net/netlink/genetlink.c:783 [inline] [<...>] genl_rcv_msg+0x341/0x5a0 net/netlink/genetlink.c:800 [<...>] netlink_rcv_skb+0x14d/0x440 net/netlink/af_netlink.c:2515 [<...>] genl_rcv+0x29/0x40 net/netlink/genetlink.c:811 [<...>] netlink_unicast_kernel net/netlink/af_netlink.c:1313 [inline] [<...>] netlink_unicast+0x54b/0x800 net/netlink/af_netlink.c:1339 [<...>] netlink_sendmsg+0x90a/0xdf0 net/netlink/af_netlink.c:1934 [<...>] sock_sendmsg_nosec net/socket.c:651 [inline] [<...>] sock_sendmsg+0x157/0x190 net/socket.c:671 [<...>] ____sys_sendmsg+0x712/0x870 net/socket.c:2342 [<...>] ___sys_sendmsg+0xf8/0x170 net/socket.c:2396 [<...>] __sys_sendmsg+0xea/0x1b0 net/socket.c:2429 [<...>] do_syscall_64+0x30/0x40 arch/x86/entry/common.c:46 [<...>] entry_SYSCALL_64_after_hwframe+0x61/0xc6 Found by InfoTeCS on behalf of Linux Verification Center (linuxtesting.org) with Syzkaller [PM: merged via the LSM tree at Jakub Kicinski request]
Severity ?
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: cb72d38211eacda2dd90b09540542b6582da614e , < 9a8f811a146aa2a0230f8edb2e9f4b6609aab8da (git)
Affected: cb72d38211eacda2dd90b09540542b6582da614e , < 36e19f84634aaa94f543fedc0a07588949638d53 (git)
Affected: cb72d38211eacda2dd90b09540542b6582da614e , < 44a88650ba55e6a7f2ec485d2c2413ba7e216f01 (git)
Affected: cb72d38211eacda2dd90b09540542b6582da614e , < a4529a08d3704c17ea9c7277d180e46b99250ded (git)
Affected: cb72d38211eacda2dd90b09540542b6582da614e , < 321b3a5592c8a9d6b654c7c64833ea67dbb33149 (git)
Affected: cb72d38211eacda2dd90b09540542b6582da614e , < 408bbd1e1746fe33e51f4c81c2febd7d3841d031 (git)
Affected: cb72d38211eacda2dd90b09540542b6582da614e , < f14d36e6e97fe935a20e0ceb159c100f90b6627c (git)
Affected: cb72d38211eacda2dd90b09540542b6582da614e , < ec4e9d630a64df500641892f4e259e8149594a99 (git)
Create a notification for this product.
    Linux Linux Affected: 4.8
Unaffected: 0 , < 4.8 (semver)
Unaffected: 4.19.306 , ≤ 4.19.* (semver)
Unaffected: 5.4.268 , ≤ 5.4.* (semver)
Unaffected: 5.10.209 , ≤ 5.10.* (semver)
Unaffected: 5.15.148 , ≤ 5.15.* (semver)
Unaffected: 6.1.75 , ≤ 6.1.* (semver)
Unaffected: 6.6.14 , ≤ 6.6.* (semver)
Unaffected: 6.7.2 , ≤ 6.7.* (semver)
Unaffected: 6.8 , ≤ * (original_commit_for_fix)
Create a notification for this product.
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{\"title\": \"calipso: fix memory leak in netlbl_calipso_add_pass()\", \"affected\": [{\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"cb72d38211eacda2dd90b09540542b6582da614e\", \"lessThan\": \"9a8f811a146aa2a0230f8edb2e9f4b6609aab8da\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"cb72d38211eacda2dd90b09540542b6582da614e\", \"lessThan\": \"36e19f84634aaa94f543fedc0a07588949638d53\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"cb72d38211eacda2dd90b09540542b6582da614e\", \"lessThan\": \"44a88650ba55e6a7f2ec485d2c2413ba7e216f01\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"cb72d38211eacda2dd90b09540542b6582da614e\", \"lessThan\": \"a4529a08d3704c17ea9c7277d180e46b99250ded\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"cb72d38211eacda2dd90b09540542b6582da614e\", \"lessThan\": \"321b3a5592c8a9d6b654c7c64833ea67dbb33149\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"cb72d38211eacda2dd90b09540542b6582da614e\", \"lessThan\": \"408bbd1e1746fe33e51f4c81c2febd7d3841d031\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"cb72d38211eacda2dd90b09540542b6582da614e\", \"lessThan\": \"f14d36e6e97fe935a20e0ceb159c100f90b6627c\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"cb72d38211eacda2dd90b09540542b6582da614e\", \"lessThan\": \"ec4e9d630a64df500641892f4e259e8149594a99\", \"versionType\": \"git\"}], \"programFiles\": [\"net/netlabel/netlabel_calipso.c\"], \"defaultStatus\": \"unaffected\"}, {\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"4.8\"}, {\"status\": \"unaffected\", \"version\": \"0\", \"lessThan\": \"4.8\", \"versionType\": \"semver\"}, {\"status\": \"unaffected\", \"version\": \"4.19.306\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"4.19.*\"}, {\"status\": \"unaffected\", \"version\": \"5.4.268\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.4.*\"}, {\"status\": \"unaffected\", \"version\": \"5.10.209\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.10.*\"}, {\"status\": \"unaffected\", \"version\": \"5.15.148\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.15.*\"}, {\"status\": \"unaffected\", \"version\": \"6.1.75\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.1.*\"}, {\"status\": \"unaffected\", \"version\": \"6.6.14\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.6.*\"}, {\"status\": \"unaffected\", \"version\": \"6.7.2\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.7.*\"}, {\"status\": \"unaffected\", \"version\": \"6.8\", \"versionType\": \"original_commit_for_fix\", \"lessThanOrEqual\": \"*\"}], \"programFiles\": [\"net/netlabel/netlabel_calipso.c\"], \"defaultStatus\": \"affected\"}], \"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\"}], \"x_generator\": {\"engine\": \"bippy-1.2.0\"}, \"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]\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"4.19.306\", \"versionStartIncluding\": \"4.8\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.4.268\", \"versionStartIncluding\": \"4.8\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.10.209\", \"versionStartIncluding\": \"4.8\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.15.148\", \"versionStartIncluding\": \"4.8\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.1.75\", \"versionStartIncluding\": \"4.8\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.6.14\", \"versionStartIncluding\": \"4.8\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.7.2\", \"versionStartIncluding\": \"4.8\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.8\", \"versionStartIncluding\": \"4.8\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2025-05-04T07:41:51.813Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2023-52698\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-05-04T07:41:51.813Z\", \"dateReserved\": \"2024-03-07T14:49:46.889Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2024-05-17T14:27:29.885Z\", \"assignerShortName\": \"Linux\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}


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Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.