| { |
| "containers": { |
| "cna": { |
| "providerMetadata": { |
| "orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038" |
| }, |
| "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->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": [ |
| { |
| "product": "Linux", |
| "vendor": "Linux", |
| "defaultStatus": "unaffected", |
| "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", |
| "programFiles": [ |
| "net/netrom/nr_timer.c" |
| ], |
| "versions": [ |
| { |
| "version": "a31caf5779ace8fa98b0d454133808e082ee7a1b", |
| "lessThan": "d616876256b38ecf9a1a1c7d674192c5346bc69c", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "fe9b9e621cebe6b7e83f7e954c70f8bb430520e5", |
| "lessThan": "e07a9c2a850cdebf625e7a1b8171bd23a8554313", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "7de16d75b20ab13b75a7291f449a1b00090edfea", |
| "lessThan": "5391f9db2cab5ef1cb411be1ab7dbec728078fba", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "d2d3ab1b1de3302de2c85769121fd4f890e47ceb", |
| "lessThan": "280cf1173726a7059b628c610c71050d5c0b6937", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "51e394c6f81adbfe7c34d15f58b3d4d44f144acf", |
| "lessThan": "a02fd5d775cf9787ee7698c797e20f2fa13d2e2b", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "409db27e3a2eb5e8ef7226ca33be33361b3ed1c9", |
| "lessThan": "b6ebe4fed73eedeb73f4540f8edc4871945474c8", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "409db27e3a2eb5e8ef7226ca33be33361b3ed1c9", |
| "lessThan": "d377f5a28332954b19e373d36823e59830ab1712", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "409db27e3a2eb5e8ef7226ca33be33361b3ed1c9", |
| "lessThan": "0b9130247f3b6a1122478471ff0e014ea96bb735", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "e666990abb2e42dd4ba979b4706280a3664cfae7", |
| "status": "affected", |
| "versionType": "git" |
| } |
| ] |
| }, |
| { |
| "product": "Linux", |
| "vendor": "Linux", |
| "defaultStatus": "affected", |
| "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", |
| "programFiles": [ |
| "net/netrom/nr_timer.c" |
| ], |
| "versions": [ |
| { |
| "version": "6.2", |
| "status": "affected" |
| }, |
| { |
| "version": "0", |
| "lessThan": "6.2", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "4.19.317", |
| "lessThanOrEqual": "4.19.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "5.4.279", |
| "lessThanOrEqual": "5.4.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "5.10.221", |
| "lessThanOrEqual": "5.10.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "5.15.162", |
| "lessThanOrEqual": "5.15.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "6.1.96", |
| "lessThanOrEqual": "6.1.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "6.6.36", |
| "lessThanOrEqual": "6.6.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "6.9.7", |
| "lessThanOrEqual": "6.9.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "6.10", |
| "lessThanOrEqual": "*", |
| "status": "unaffected", |
| "versionType": "original_commit_for_fix" |
| } |
| ] |
| } |
| ], |
| "cpeApplicability": [ |
| { |
| "nodes": [ |
| { |
| "operator": "OR", |
| "negate": false, |
| "cpeMatch": [ |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "4.19.272", |
| "versionEndExcluding": "4.19.317" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "5.4.231", |
| "versionEndExcluding": "5.4.279" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "5.10.166", |
| "versionEndExcluding": "5.10.221" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "5.15.91", |
| "versionEndExcluding": "5.15.162" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "6.1.9", |
| "versionEndExcluding": "6.1.96" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "6.2", |
| "versionEndExcluding": "6.6.36" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "6.2", |
| "versionEndExcluding": "6.9.7" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "6.2", |
| "versionEndExcluding": "6.10" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "4.14.305" |
| } |
| ] |
| } |
| ] |
| } |
| ], |
| "references": [ |
| { |
| "url": "https://git.kernel.org/stable/c/d616876256b38ecf9a1a1c7d674192c5346bc69c" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/e07a9c2a850cdebf625e7a1b8171bd23a8554313" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/5391f9db2cab5ef1cb411be1ab7dbec728078fba" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/280cf1173726a7059b628c610c71050d5c0b6937" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/a02fd5d775cf9787ee7698c797e20f2fa13d2e2b" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/b6ebe4fed73eedeb73f4540f8edc4871945474c8" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/d377f5a28332954b19e373d36823e59830ab1712" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/0b9130247f3b6a1122478471ff0e014ea96bb735" |
| } |
| ], |
| "title": "netrom: Fix a memory leak in nr_heartbeat_expiry()", |
| "x_generator": { |
| "engine": "bippy-1.2.0" |
| } |
| } |
| }, |
| "cveMetadata": { |
| "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038", |
| "cveID": "CVE-2024-41006", |
| "requesterUserId": "gregkh@kernel.org", |
| "serial": "1", |
| "state": "PUBLISHED" |
| }, |
| "dataType": "CVE_RECORD", |
| "dataVersion": "5.0" |
| } |
