CVE-2024-41006 (GCVE-0-2024-41006)
Vulnerability from cvelistv5 – Published: 2024-07-12 12:44 – Updated: 2026-05-23 15:51
VLAI
EPSS
VEX
Title
netrom: Fix a memory leak in nr_heartbeat_expiry()
Summary
In the Linux kernel, the following vulnerability has been resolved:
netrom: Fix a memory leak in nr_heartbeat_expiry()
syzbot reported a memory leak in nr_create() [0].
Commit 409db27e3a2e ("netrom: Fix use-after-free of a listening socket.")
added sock_hold() to the nr_heartbeat_expiry() function, where
a) a socket has a SOCK_DESTROY flag or
b) a listening socket has a SOCK_DEAD flag.
But in the case "a," when the SOCK_DESTROY flag is set, the file descriptor
has already been closed and the nr_release() function has been called.
So it makes no sense to hold the reference count because no one will
call another nr_destroy_socket() and put it as in the case "b."
nr_connect
nr_establish_data_link
nr_start_heartbeat
nr_release
switch (nr->state)
case NR_STATE_3
nr->state = NR_STATE_2
sock_set_flag(sk, SOCK_DESTROY);
nr_rx_frame
nr_process_rx_frame
switch (nr->state)
case NR_STATE_2
nr_state2_machine()
nr_disconnect()
nr_sk(sk)->state = NR_STATE_0
sock_set_flag(sk, SOCK_DEAD)
nr_heartbeat_expiry
switch (nr->state)
case NR_STATE_0
if (sock_flag(sk, SOCK_DESTROY) ||
(sk->sk_state == TCP_LISTEN
&& sock_flag(sk, SOCK_DEAD)))
sock_hold() // ( !!! )
nr_destroy_socket()
To fix the memory leak, let's call sock_hold() only for a listening socket.
Found by InfoTeCS on behalf of Linux Verification Center
(linuxtesting.org) with Syzkaller.
[0]: https://syzkaller.appspot.com/bug?extid=d327a1f3b12e1e206c16
Severity
No CVSS data available.
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-09-10 17:00 UTC
Assigner
References
12 references
Impacted products
8 products
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Linux | Linux |
Affected:
a31caf5779ace8fa98b0d454133808e082ee7a1b , < d616876256b38ecf9a1a1c7d674192c5346bc69c
(git)
Affected: fe9b9e621cebe6b7e83f7e954c70f8bb430520e5 , < e07a9c2a850cdebf625e7a1b8171bd23a8554313 (git) Affected: 7de16d75b20ab13b75a7291f449a1b00090edfea , < 5391f9db2cab5ef1cb411be1ab7dbec728078fba (git) Affected: d2d3ab1b1de3302de2c85769121fd4f890e47ceb , < 280cf1173726a7059b628c610c71050d5c0b6937 (git) Affected: 51e394c6f81adbfe7c34d15f58b3d4d44f144acf , < a02fd5d775cf9787ee7698c797e20f2fa13d2e2b (git) Affected: 409db27e3a2eb5e8ef7226ca33be33361b3ed1c9 , < b6ebe4fed73eedeb73f4540f8edc4871945474c8 (git) Affected: 409db27e3a2eb5e8ef7226ca33be33361b3ed1c9 , < d377f5a28332954b19e373d36823e59830ab1712 (git) Affected: 409db27e3a2eb5e8ef7226ca33be33361b3ed1c9 , < 0b9130247f3b6a1122478471ff0e014ea96bb735 (git) Affected: e666990abb2e42dd4ba979b4706280a3664cfae7 (git) Affected: 4.19.272 , < 4.19.317 (semver) Affected: 5.4.231 , < 5.4.279 (semver) Affected: 5.10.166 , < 5.10.221 (semver) Affected: 5.15.91 , < 5.15.162 (semver) Affected: 6.1.9 , < 6.1.96 (semver) Affected: 4.14.305 , < 4.15 (semver) |
guessed | |
| Linux | Linux |
Affected:
6.2
Unaffected: 0 , < 6.2 (semver) Unaffected: 4.19.317 , ≤ 4.19.* (semver) Unaffected: 5.4.279 , ≤ 5.4.* (semver) Unaffected: 5.10.221 , ≤ 5.10.* (semver) Unaffected: 5.15.162 , ≤ 5.15.* (semver) Unaffected: 6.1.96 , ≤ 6.1.* (semver) Unaffected: 6.6.36 , ≤ 6.6.* (semver) Unaffected: 6.9.7 , ≤ 6.9.* (semver) Unaffected: 6.10 , ≤ * (original_commit_for_fix) |
guessed | |
| Siemens | RUGGEDCOM RST2428P |
Affected:
0 , < V3.1
(custom)
|
guessed | |
| Siemens | RUGGEDCOM RST2428P |
Unaffected:
0 , < *
(custom)
|
guessed | |
| Siemens | SCALANCE XC-300/XR-300/XC-400/XR-500WG/XR-500 family |
Unaffected:
0 , < *
(custom)
|
guessed | |
| Siemens | SCALANCE XCM-/XRM-/XCH-/XRH-300 family |
Affected:
0 , < V3.1
(custom)
|
guessed | |
| Siemens | SCALANCE XCM-/XRM-/XCH-/XRH-300 family |
Unaffected:
0 , < *
(custom)
|
guessed | |
| Siemens | SIMATIC S7-1500 TM MFP - GNU/Linux subsystem |
Affected:
0 , < *
(custom)
|
guessed |
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnetrom: Fix a memory leak in nr_heartbeat_expiry()\n\nsyzbot reported a memory leak in nr_create() [0].\n\nCommit 409db27e3a2e (\"netrom: Fix use-after-free of a listening socket.\")\nadded sock_hold() to the nr_heartbeat_expiry() function, where\na) a socket has a SOCK_DESTROY flag or\nb) a listening socket has a SOCK_DEAD flag.\n\nBut in the case \"a,\" when the SOCK_DESTROY flag is set, the file descriptor\nhas already been closed and the nr_release() function has been called.\nSo it makes no sense to hold the reference count because no one will\ncall another nr_destroy_socket() and put it as in the case \"b.\"\n\nnr_connect\n nr_establish_data_link\n nr_start_heartbeat\n\nnr_release\n switch (nr-\u003estate)\n case NR_STATE_3\n nr-\u003estate = NR_STATE_2\n sock_set_flag(sk, SOCK_DESTROY);\n\n nr_rx_frame\n nr_process_rx_frame\n switch (nr-\u003estate)\n case NR_STATE_2\n nr_state2_machine()\n nr_disconnect()\n nr_sk(sk)-\u003estate = NR_STATE_0\n sock_set_flag(sk, SOCK_DEAD)\n\n nr_heartbeat_expiry\n switch (nr-\u003estate)\n case NR_STATE_0\n if (sock_flag(sk, SOCK_DESTROY) ||\n (sk-\u003esk_state == TCP_LISTEN\n \u0026\u0026 sock_flag(sk, SOCK_DEAD)))\n sock_hold() // ( !!! )\n nr_destroy_socket()\n\nTo fix the memory leak, let\u0027s call sock_hold() only for a listening socket.\n\nFound by InfoTeCS on behalf of Linux Verification Center\n(linuxtesting.org) with Syzkaller.\n\n[0]: https://syzkaller.appspot.com/bug?extid=d327a1f3b12e1e206c16"
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"configurations": "[{\"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"versionStartIncluding\": \"4.19.272\", \"versionEndExcluding\": \"4.19.317\", \"matchCriteriaId\": \"0799BB5F-A0F0-4290-872D-24364C18F638\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"versionStartIncluding\": \"5.4.231\", \"versionEndExcluding\": \"5.4.279\", \"matchCriteriaId\": \"4821FCF8-B57B-4F3C-B3FC-5CFAEA2C6BC5\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"versionStartIncluding\": \"5.10.166\", \"versionEndExcluding\": \"5.10.221\", \"matchCriteriaId\": \"E81DAF77-0E91-457C-AC9D-117B2D0BF7CB\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"versionStartIncluding\": \"5.15.91\", \"versionEndExcluding\": \"5.15.162\", \"matchCriteriaId\": \"2E0E5DA0-5043-4127-8316-B0E03B88EE6E\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"versionStartIncluding\": \"6.1.9\", \"versionEndExcluding\": \"6.1.96\", \"matchCriteriaId\": \"012144F5-2368-4D39-ABE2-07E7568304BB\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"versionStartIncluding\": \"6.2\", \"versionEndExcluding\": \"6.6.36\", \"matchCriteriaId\": \"E1046C95-860A-45B0-B718-2B29F65BFF10\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"versionStartIncluding\": \"6.7\", \"versionEndExcluding\": \"6.9.7\", \"matchCriteriaId\": \"0A047AF2-94AC-4A3A-B32D-6AB930D8EF1C\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:linux:linux_kernel:6.10:rc1:*:*:*:*:*:*\", \"matchCriteriaId\": \"2EBB4392-5FA6-4DA9-9772-8F9C750109FA\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:linux:linux_kernel:6.10:rc2:*:*:*:*:*:*\", \"matchCriteriaId\": \"331C2F14-12C7-45D5-893D-8C52EE38EA10\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:linux:linux_kernel:6.10:rc3:*:*:*:*:*:*\", \"matchCriteriaId\": \"3173713D-909A-4DD3-9DD4-1E171EB057EE\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:linux:linux_kernel:6.10:rc4:*:*:*:*:*:*\", \"matchCriteriaId\": \"79F18AFA-40F7-43F0-BA30-7BDB65F918B9\"}]}]}]",
"descriptions": "[{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\nnetrom: Fix a memory leak in nr_heartbeat_expiry()\\n\\nsyzbot reported a memory leak in nr_create() [0].\\n\\nCommit 409db27e3a2e (\\\"netrom: Fix use-after-free of a listening socket.\\\")\\nadded sock_hold() to the nr_heartbeat_expiry() function, where\\na) a socket has a SOCK_DESTROY flag or\\nb) a listening socket has a SOCK_DEAD flag.\\n\\nBut in the case \\\"a,\\\" when the SOCK_DESTROY flag is set, the file descriptor\\nhas already been closed and the nr_release() function has been called.\\nSo it makes no sense to hold the reference count because no one will\\ncall another nr_destroy_socket() and put it as in the case \\\"b.\\\"\\n\\nnr_connect\\n nr_establish_data_link\\n nr_start_heartbeat\\n\\nnr_release\\n switch (nr-\u003estate)\\n case NR_STATE_3\\n nr-\u003estate = NR_STATE_2\\n sock_set_flag(sk, SOCK_DESTROY);\\n\\n nr_rx_frame\\n nr_process_rx_frame\\n switch (nr-\u003estate)\\n case NR_STATE_2\\n nr_state2_machine()\\n nr_disconnect()\\n nr_sk(sk)-\u003estate = NR_STATE_0\\n sock_set_flag(sk, SOCK_DEAD)\\n\\n nr_heartbeat_expiry\\n switch (nr-\u003estate)\\n case NR_STATE_0\\n if (sock_flag(sk, SOCK_DESTROY) ||\\n (sk-\u003esk_state == TCP_LISTEN\\n \u0026\u0026 sock_flag(sk, SOCK_DEAD)))\\n sock_hold() // ( !!! )\\n nr_destroy_socket()\\n\\nTo fix the memory leak, let\u0027s call sock_hold() only for a listening socket.\\n\\nFound by InfoTeCS on behalf of Linux Verification Center\\n(linuxtesting.org) with Syzkaller.\\n\\n[0]: https://syzkaller.appspot.com/bug?extid=d327a1f3b12e1e206c16\"}, {\"lang\": \"es\", \"value\": \"En el kernel de Linux, se resolvi\\u00f3 la siguiente vulnerabilidad: netrom: corrige una p\\u00e9rdida de memoria en nr_heartbeat_expiry() syzbot inform\\u00f3 una p\\u00e9rdida de memoria en nr_create() [0]. El commit 409db27e3a2e (\\\"netrom: Reparar el use-after-free de un socket de escucha\\\") agreg\\u00f3 sock_hold() a la funci\\u00f3n nr_heartbeat_expiry(), donde a) un socket tiene un indicador SOCK_DESTROY ob) un socket de escucha tiene un indicador SOCK_DEAD. Pero en el caso \\\"a\\\", cuando se establece el indicador SOCK_DESTROY, el descriptor de archivo ya se ha cerrado y se ha llamado a la funci\\u00f3n nr_release(). Por lo tanto, no tiene sentido mantener el recuento de referencias porque nadie llamar\\u00e1 a otro nr_destroy_socket() y lo pondr\\u00e1 como en el caso \\\"b\\\". nr_connect nr_establecer_data_link nr_start_heartbeat nr_release interruptor (nr-\u0026gt;estado) caso NR_STATE_3 nr-\u0026gt;estado = NR_STATE_2 sock_set_flag(sk, SOCK_DESTROY); nr_rx_frame nr_process_rx_frame interruptor (nr-\u0026gt;estado) caso NR_STATE_2 nr_state2_machine() nr_disconnect() nr_sk(sk)-\u0026gt;estado = NR_STATE_0 sock_set_flag(sk, SOCK_DEAD) nr_heartbeat_expiry interruptor (nr-\u0026gt;estado) caso NR_STATE_0 if (sock_flag(sk, OCK_DESTROY) || (sk-\u0026gt;sk_state == TCP_LISTEN \u0026amp;\u0026amp; sock_flag(sk, SOCK_DEAD))) sock_hold() // ( !!! ) nr_destroy_socket() Para solucionar la p\\u00e9rdida de memoria, llamemos a sock_hold() solo para un socket de escucha. Encontrado por InfoTeCS en nombre del Centro de verificaci\\u00f3n de Linux (linuxtesting.org) con Syzkaller. [0]: https://syzkaller.appspot.com/bug?extid=d327a1f3b12e1e206c16\"}]",
"id": "CVE-2024-41006",
"lastModified": "2024-11-21T09:32:03.057",
"metrics": "{\"cvssMetricV31\": [{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"3.1\", \"vectorString\": \"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H\", \"baseScore\": 5.5, \"baseSeverity\": \"MEDIUM\", \"attackVector\": \"LOCAL\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"LOW\", \"userInteraction\": \"NONE\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"NONE\", \"integrityImpact\": \"NONE\", \"availabilityImpact\": \"HIGH\"}, \"exploitabilityScore\": 1.8, \"impactScore\": 3.6}]}",
"published": "2024-07-12T13:15:21.370",
"references": "[{\"url\": \"https://git.kernel.org/stable/c/0b9130247f3b6a1122478471ff0e014ea96bb735\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"tags\": [\"Mailing List\", \"Patch\"]}, {\"url\": \"https://git.kernel.org/stable/c/280cf1173726a7059b628c610c71050d5c0b6937\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"tags\": [\"Mailing List\", \"Patch\"]}, {\"url\": \"https://git.kernel.org/stable/c/5391f9db2cab5ef1cb411be1ab7dbec728078fba\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"tags\": [\"Mailing List\", \"Patch\"]}, {\"url\": \"https://git.kernel.org/stable/c/a02fd5d775cf9787ee7698c797e20f2fa13d2e2b\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"tags\": [\"Mailing List\", \"Patch\"]}, {\"url\": \"https://git.kernel.org/stable/c/b6ebe4fed73eedeb73f4540f8edc4871945474c8\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"tags\": [\"Mailing List\", \"Patch\"]}, {\"url\": \"https://git.kernel.org/stable/c/d377f5a28332954b19e373d36823e59830ab1712\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"tags\": [\"Mailing List\", \"Patch\"]}, {\"url\": \"https://git.kernel.org/stable/c/d616876256b38ecf9a1a1c7d674192c5346bc69c\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"tags\": [\"Mailing List\", \"Patch\"]}, {\"url\": \"https://git.kernel.org/stable/c/e07a9c2a850cdebf625e7a1b8171bd23a8554313\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"tags\": [\"Mailing List\", \"Patch\"]}, {\"url\": \"https://git.kernel.org/stable/c/0b9130247f3b6a1122478471ff0e014ea96bb735\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Mailing List\", \"Patch\"]}, {\"url\": \"https://git.kernel.org/stable/c/280cf1173726a7059b628c610c71050d5c0b6937\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Mailing List\", \"Patch\"]}, {\"url\": \"https://git.kernel.org/stable/c/5391f9db2cab5ef1cb411be1ab7dbec728078fba\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Mailing List\", \"Patch\"]}, {\"url\": \"https://git.kernel.org/stable/c/a02fd5d775cf9787ee7698c797e20f2fa13d2e2b\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Mailing List\", \"Patch\"]}, {\"url\": \"https://git.kernel.org/stable/c/b6ebe4fed73eedeb73f4540f8edc4871945474c8\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Mailing List\", \"Patch\"]}, {\"url\": \"https://git.kernel.org/stable/c/d377f5a28332954b19e373d36823e59830ab1712\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Mailing List\", \"Patch\"]}, {\"url\": \"https://git.kernel.org/stable/c/d616876256b38ecf9a1a1c7d674192c5346bc69c\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Mailing List\", \"Patch\"]}, {\"url\": \"https://git.kernel.org/stable/c/e07a9c2a850cdebf625e7a1b8171bd23a8554313\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Mailing List\", \"Patch\"]}]",
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"vulnStatus": "Modified",
"weaknesses": "[{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-401\"}]}]"
},
"microsoft_vex": {
"current_release_date": "2026-02-18T14:56:56.000Z",
"cve": "CVE-2024-41006",
"id": "msrc_CVE-2024-41006",
"initial_release_date": "2024-07-01T07:00:00.000Z",
"product_status:fixed": "2",
"product_status:known_affected": "2",
"source": "Microsoft CSAF VEX",
"status": "final",
"title": "netrom: Fix a memory leak in nr_heartbeat_expiry()",
"url": "https://msrc.microsoft.com/csaf/vex/2024/msrc_cve-2024-41006.json",
"version": "2"
},
"nvd": "{\"cve\":{\"id\":\"CVE-2024-41006\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-07-12T13:15:21.370\",\"lastModified\":\"2026-06-17T07:47:04.210\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nnetrom: Fix a memory leak in nr_heartbeat_expiry()\\n\\nsyzbot reported a memory leak in nr_create() [0].\\n\\nCommit 409db27e3a2e (\\\"netrom: Fix use-after-free of a listening socket.\\\")\\nadded sock_hold() to the nr_heartbeat_expiry() function, where\\na) a socket has a SOCK_DESTROY flag or\\nb) a listening socket has a SOCK_DEAD flag.\\n\\nBut in the case \\\"a,\\\" when the SOCK_DESTROY flag is set, the file descriptor\\nhas already been closed and the nr_release() function has been called.\\nSo it makes no sense to hold the reference count because no one will\\ncall another nr_destroy_socket() and put it as in the case \\\"b.\\\"\\n\\nnr_connect\\n nr_establish_data_link\\n nr_start_heartbeat\\n\\nnr_release\\n switch (nr-\u003estate)\\n case NR_STATE_3\\n nr-\u003estate = NR_STATE_2\\n sock_set_flag(sk, SOCK_DESTROY);\\n\\n nr_rx_frame\\n nr_process_rx_frame\\n switch (nr-\u003estate)\\n case NR_STATE_2\\n nr_state2_machine()\\n nr_disconnect()\\n nr_sk(sk)-\u003estate = NR_STATE_0\\n sock_set_flag(sk, SOCK_DEAD)\\n\\n nr_heartbeat_expiry\\n switch (nr-\u003estate)\\n case NR_STATE_0\\n if (sock_flag(sk, SOCK_DESTROY) ||\\n (sk-\u003esk_state == TCP_LISTEN\\n \u0026\u0026 sock_flag(sk, SOCK_DEAD)))\\n sock_hold() // ( !!! )\\n nr_destroy_socket()\\n\\nTo fix the memory leak, let\u0027s call sock_hold() only for a listening socket.\\n\\nFound by InfoTeCS on behalf of Linux Verification Center\\n(linuxtesting.org) with Syzkaller.\\n\\n[0]: https://syzkaller.appspot.com/bug?extid=d327a1f3b12e1e206c16\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: netrom: corrige una p\u00e9rdida de memoria en nr_heartbeat_expiry() syzbot inform\u00f3 una p\u00e9rdida de memoria en nr_create() [0]. El commit 409db27e3a2e (\\\"netrom: Reparar el use-after-free de un socket de escucha\\\") agreg\u00f3 sock_hold() a la funci\u00f3n nr_heartbeat_expiry(), donde a) un socket tiene un indicador SOCK_DESTROY ob) un socket de escucha tiene un indicador SOCK_DEAD. Pero en el caso \\\"a\\\", cuando se establece el indicador SOCK_DESTROY, el descriptor de archivo ya se ha cerrado y se ha llamado a la funci\u00f3n nr_release(). Por lo tanto, no tiene sentido mantener el recuento de referencias porque nadie llamar\u00e1 a otro nr_destroy_socket() y lo pondr\u00e1 como en el caso \\\"b\\\". nr_connect nr_establecer_data_link nr_start_heartbeat nr_release interruptor (nr-\u0026gt;estado) caso NR_STATE_3 nr-\u0026gt;estado = NR_STATE_2 sock_set_flag(sk, SOCK_DESTROY); nr_rx_frame nr_process_rx_frame interruptor (nr-\u0026gt;estado) caso NR_STATE_2 nr_state2_machine() nr_disconnect() nr_sk(sk)-\u0026gt;estado = NR_STATE_0 sock_set_flag(sk, SOCK_DEAD) nr_heartbeat_expiry interruptor (nr-\u0026gt;estado) caso NR_STATE_0 if (sock_flag(sk, OCK_DESTROY) || (sk-\u0026gt;sk_state == TCP_LISTEN \u0026amp;\u0026amp; sock_flag(sk, SOCK_DEAD))) sock_hold() // ( !!! ) nr_destroy_socket() Para solucionar la p\u00e9rdida de memoria, llamemos a sock_hold() solo para un socket de escucha. Encontrado por InfoTeCS en nombre del Centro de verificaci\u00f3n de Linux (linuxtesting.org) con Syzkaller. [0]: https://syzkaller.appspot.com/bug?extid=d327a1f3b12e1e206c16\"}],\"affected\":[{\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"affectedData\":[{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"unaffected\",\"programFiles\":[\"net/netrom/nr_timer.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"a31caf5779ace8fa98b0d454133808e082ee7a1b\",\"lessThan\":\"d616876256b38ecf9a1a1c7d674192c5346bc69c\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"fe9b9e621cebe6b7e83f7e954c70f8bb430520e5\",\"lessThan\":\"e07a9c2a850cdebf625e7a1b8171bd23a8554313\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"7de16d75b20ab13b75a7291f449a1b00090edfea\",\"lessThan\":\"5391f9db2cab5ef1cb411be1ab7dbec728078fba\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"d2d3ab1b1de3302de2c85769121fd4f890e47ceb\",\"lessThan\":\"280cf1173726a7059b628c610c71050d5c0b6937\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"51e394c6f81adbfe7c34d15f58b3d4d44f144acf\",\"lessThan\":\"a02fd5d775cf9787ee7698c797e20f2fa13d2e2b\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"409db27e3a2eb5e8ef7226ca33be33361b3ed1c9\",\"lessThan\":\"b6ebe4fed73eedeb73f4540f8edc4871945474c8\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"409db27e3a2eb5e8ef7226ca33be33361b3ed1c9\",\"lessThan\":\"d377f5a28332954b19e373d36823e59830ab1712\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"409db27e3a2eb5e8ef7226ca33be33361b3ed1c9\",\"lessThan\":\"0b9130247f3b6a1122478471ff0e014ea96bb735\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"e666990abb2e42dd4ba979b4706280a3664cfae7\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"4.19.272\",\"lessThan\":\"4.19.317\",\"versionType\":\"semver\",\"status\":\"affected\"},{\"version\":\"5.4.231\",\"lessThan\":\"5.4.279\",\"versionType\":\"semver\",\"status\":\"affected\"},{\"version\":\"5.10.166\",\"lessThan\":\"5.10.221\",\"versionType\":\"semver\",\"status\":\"affected\"},{\"version\":\"5.15.91\",\"lessThan\":\"5.15.162\",\"versionType\":\"semver\",\"status\":\"affected\"},{\"version\":\"6.1.9\",\"lessThan\":\"6.1.96\",\"versionType\":\"semver\",\"status\":\"affected\"},{\"version\":\"4.14.305\",\"lessThan\":\"4.15\",\"versionType\":\"semver\",\"status\":\"affected\"}]},{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"affected\",\"programFiles\":[\"net/netrom/nr_timer.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"6.2\",\"status\":\"affected\"},{\"version\":\"0\",\"lessThan\":\"6.2\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"4.19.317\",\"lessThanOrEqual\":\"4.19.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.4.279\",\"lessThanOrEqual\":\"5.4.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.10.221\",\"lessThanOrEqual\":\"5.10.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.15.162\",\"lessThanOrEqual\":\"5.15.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.1.96\",\"lessThanOrEqual\":\"6.1.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.6.36\",\"lessThanOrEqual\":\"6.6.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.9.7\",\"lessThanOrEqual\":\"6.9.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.10\",\"lessThanOrEqual\":\"*\",\"versionType\":\"original_commit_for_fix\",\"status\":\"unaffected\"}]}]},{\"source\":\"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e\",\"affectedData\":[{\"vendor\":\"Siemens\",\"product\":\"RUGGEDCOM RST2428P\",\"defaultStatus\":\"unknown\",\"versions\":[{\"version\":\"0\",\"lessThan\":\"V3.1\",\"versionType\":\"custom\",\"status\":\"affected\"}]},{\"vendor\":\"Siemens\",\"product\":\"RUGGEDCOM RST2428P\",\"defaultStatus\":\"unknown\",\"versions\":[{\"version\":\"0\",\"lessThan\":\"*\",\"versionType\":\"custom\",\"status\":\"unaffected\"}]},{\"vendor\":\"Siemens\",\"product\":\"SCALANCE XC-300/XR-300/XC-400/XR-500WG/XR-500 family\",\"defaultStatus\":\"unknown\",\"versions\":[{\"version\":\"0\",\"lessThan\":\"*\",\"versionType\":\"custom\",\"status\":\"unaffected\"}]},{\"vendor\":\"Siemens\",\"product\":\"SCALANCE XC-300/XR-300/XC-400/XR-500WG/XR-500 family\",\"defaultStatus\":\"unknown\",\"versions\":[{\"version\":\"0\",\"lessThan\":\"*\",\"versionType\":\"custom\",\"status\":\"unaffected\"}]},{\"vendor\":\"Siemens\",\"product\":\"SCALANCE XCM-/XRM-/XCH-/XRH-300 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listening socket has a SOCK_DEAD flag.\\n\\nBut in the case \\\"a,\\\" when the SOCK_DESTROY flag is set, the file descriptor\\nhas already been closed and the nr_release() function has been called.\\nSo it makes no sense to hold the reference count because no one will\\ncall another nr_destroy_socket() and put it as in the case \\\"b.\\\"\\n\\nnr_connect\\n nr_establish_data_link\\n nr_start_heartbeat\\n\\nnr_release\\n switch (nr-\u003estate)\\n case NR_STATE_3\\n nr-\u003estate = NR_STATE_2\\n sock_set_flag(sk, SOCK_DESTROY);\\n\\n nr_rx_frame\\n nr_process_rx_frame\\n switch (nr-\u003estate)\\n case NR_STATE_2\\n nr_state2_machine()\\n nr_disconnect()\\n nr_sk(sk)-\u003estate = NR_STATE_0\\n sock_set_flag(sk, SOCK_DEAD)\\n\\n nr_heartbeat_expiry\\n switch (nr-\u003estate)\\n case NR_STATE_0\\n if (sock_flag(sk, SOCK_DESTROY) ||\\n (sk-\u003esk_state == TCP_LISTEN\\n \u0026\u0026 sock_flag(sk, SOCK_DEAD)))\\n sock_hold() // ( !!! )\\n nr_destroy_socket()\\n\\nTo fix the memory leak, let\u0027s call sock_hold() only for a listening socket.\\n\\nFound by InfoTeCS on behalf of Linux Verification Center\\n(linuxtesting.org) with Syzkaller.\\n\\n[0]: https://syzkaller.appspot.com/bug?extid=d327a1f3b12e1e206c16\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"4.19.317\", \"versionStartIncluding\": \"4.19.272\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.4.279\", \"versionStartIncluding\": \"5.4.231\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.10.221\", \"versionStartIncluding\": \"5.10.166\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.15.162\", \"versionStartIncluding\": \"5.15.91\"}, {\"criteria\": 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"cveMetadata": "{\"cveId\": \"CVE-2024-41006\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-05-23T15:51:25.954Z\", \"dateReserved\": \"2024-07-12T12:17:45.610Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2024-07-12T12:44:41.176Z\", \"assignerShortName\": \"Linux\"}",
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
}
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
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.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
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