{ "schemaVersion": 1, "attribution": [ { "source": "CISA Known Exploited Vulnerabilities", "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog", "licence": "US government work" }, { "source": "GitHub Advisory Database", "url": "https://github.com/advisories", "licence": "CC BY 4.0" }, { "source": "Have I Been Pwned", "url": "https://haveibeenpwned.com/", "licence": "CC BY 4.0" }, { "source": "CVE Program (CVE records)", "url": "https://www.cve.org/Legal/TermsOfUse", "licence": "CVE Terms of Use", "notice": "Copyright © 1999-2026, The MITRE Corporation. CVE is a trademark and the CVE logo is a registered trademark of The MITRE Corporation.", "terms": "CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy." }, { "source": "FIRST EPSS", "url": "https://www.first.org/epss/", "licence": "free to use; FIRST requests attribution" } ], "record": { "id": "CVE-2024-41006", "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2024-41006", "idYear": 2024, "status": "PUBLISHED", "publishedAt": "2024-07-12T12:44:41.176Z", "updatedAt": "2026-10-15T00:47:14.987Z", "importedAt": "2026-10-24T01:57:16.009Z", "snapshot": { "id": "cve_2026-10-24_midnight_baseline", "at": "2026-10-24T00:00:00.000Z", "source": "https://github.com/CVEProject/cvelistV5/releases/tag/cve_2026-10-24_0100Z" }, "facts": { "title": "netrom: Fix a memory leak in nr_heartbeat_expiry()", "summary": "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->state)\n case NR_STATE_3\n nr->state = NR_STATE_2\n sock_set_flag(sk, SOCK_DESTROY);\n\n nr_rx_frame\n nr_process_rx_frame\n switch (nr->state)\n case NR_STATE_2\n nr_state2_machine()\n nr_disconnect()\n nr_sk(sk)->state = NR_STATE_0\n sock_set_flag(sk, SOCK_DEAD)\n\n nr_heartbeat_expiry\n switch (nr->state)\n case NR_STATE_0\n if (sock_flag(sk, SOCK_DESTROY) ||\n (sk->sk_state == TCP_LISTEN\n && sock_flag(sk, SOCK_DEAD)))\n sock_hold() // ( !!! )\n nr_destroy_socket()\n\nTo fix the memory leak, let's 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", "affected": [ { "vendor": "Linux", "product": "Linux", "defaultStatus": "unaffected", "versions": [ { "version": "a31caf5779ace8fa98b0d454133808e082ee7a1b", "status": "affected", "versionType": "git", "lessThan": "d616876256b38ecf9a1a1c7d674192c5346bc69c" }, { "version": "fe9b9e621cebe6b7e83f7e954c70f8bb430520e5", "status": "affected", "versionType": "git", "lessThan": "e07a9c2a850cdebf625e7a1b8171bd23a8554313" }, { "version": "7de16d75b20ab13b75a7291f449a1b00090edfea", "status": "affected", "versionType": "git", "lessThan": "5391f9db2cab5ef1cb411be1ab7dbec728078fba" }, { "version": "d2d3ab1b1de3302de2c85769121fd4f890e47ceb", "status": "affected", "versionType": "git", "lessThan": "280cf1173726a7059b628c610c71050d5c0b6937" }, { "version": "51e394c6f81adbfe7c34d15f58b3d4d44f144acf", "status": "affected", "versionType": "git", "lessThan": "a02fd5d775cf9787ee7698c797e20f2fa13d2e2b" }, { "version": "409db27e3a2eb5e8ef7226ca33be33361b3ed1c9", "status": "affected", "versionType": "git", "lessThan": "b6ebe4fed73eedeb73f4540f8edc4871945474c8" }, { "version": "409db27e3a2eb5e8ef7226ca33be33361b3ed1c9", "status": "affected", "versionType": "git", "lessThan": "d377f5a28332954b19e373d36823e59830ab1712" }, { "version": "409db27e3a2eb5e8ef7226ca33be33361b3ed1c9", "status": "affected", "versionType": "git", "lessThan": "0b9130247f3b6a1122478471ff0e014ea96bb735" }, { "version": "e666990abb2e42dd4ba979b4706280a3664cfae7", "status": "affected", "versionType": "git" }, { "version": "4.19.272", "status": "affected", "versionType": "semver", "lessThan": "4.19.317" }, { "version": "5.4.231", "status": "affected", "versionType": "semver", "lessThan": "5.4.279" }, { "version": "5.10.166", "status": "affected", "versionType": "semver", "lessThan": "5.10.221" }, { "version": "5.15.91", "status": "affected", "versionType": "semver", "lessThan": "5.15.162" }, { "version": "6.1.9", "status": "affected", "versionType": "semver", "lessThan": "6.1.96" }, { "version": "4.14.305", "status": "affected", "versionType": "semver", "lessThan": "4.15" } ] }, { "vendor": "Linux", "product": "Linux", "defaultStatus": "affected", "versions": [ { "version": "6.2", "status": "affected" }, { "version": "0", "status": "unaffected", "versionType": "semver", "lessThan": "6.2" }, { "version": "4.19.317", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "4.19.*" }, { "version": "5.4.279", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "5.4.*" }, { "version": "5.10.221", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "5.10.*" }, { "version": "5.15.162", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "5.15.*" }, { "version": "6.1.96", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "6.1.*" }, { "version": "6.6.36", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "6.6.*" }, { "version": "6.9.7", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "6.9.*" }, { "version": "6.10", "status": "unaffected", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*" } ] } ] } } }