| { |
| "containers": { |
| "cna": { |
| "providerMetadata": { |
| "orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038" |
| }, |
| "descriptions": [ |
| { |
| "lang": "en", |
| "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: nftables: clone set element expression template\n\nmemcpy() breaks when using connlimit in set elements. Use\nnft_expr_clone() to initialize the connlimit expression list, otherwise\nconnlimit garbage collector crashes when walking on the list head copy.\n\n[ 493.064656] Workqueue: events_power_efficient nft_rhash_gc [nf_tables]\n[ 493.064685] RIP: 0010:find_or_evict+0x5a/0x90 [nf_conncount]\n[ 493.064694] Code: 2b 43 40 83 f8 01 77 0d 48 c7 c0 f5 ff ff ff 44 39 63 3c 75 df 83 6d 18 01 48 8b 43 08 48 89 de 48 8b 13 48 8b 3d ee 2f 00 00 <48> 89 42 08 48 89 10 48 b8 00 01 00 00 00 00 ad de 48 89 03 48 83\n[ 493.064699] RSP: 0018:ffffc90000417dc0 EFLAGS: 00010297\n[ 493.064704] RAX: 0000000000000000 RBX: ffff888134f38410 RCX: 0000000000000000\n[ 493.064708] RDX: 0000000000000000 RSI: ffff888134f38410 RDI: ffff888100060cc0\n[ 493.064711] RBP: ffff88812ce594a8 R08: ffff888134f38438 R09: 00000000ebb9025c\n[ 493.064714] R10: ffffffff8219f838 R11: 0000000000000017 R12: 0000000000000001\n[ 493.064718] R13: ffffffff82146740 R14: ffff888134f38410 R15: 0000000000000000\n[ 493.064721] FS: 0000000000000000(0000) GS:ffff88840e440000(0000) knlGS:0000000000000000\n[ 493.064725] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n[ 493.064729] CR2: 0000000000000008 CR3: 00000001330aa002 CR4: 00000000001706e0\n[ 493.064733] Call Trace:\n[ 493.064737] nf_conncount_gc_list+0x8f/0x150 [nf_conncount]\n[ 493.064746] nft_rhash_gc+0x106/0x390 [nf_tables]" |
| } |
| ], |
| "affected": [ |
| { |
| "product": "Linux", |
| "vendor": "Linux", |
| "defaultStatus": "unaffected", |
| "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", |
| "programFiles": [ |
| "net/netfilter/nf_tables_api.c" |
| ], |
| "versions": [ |
| { |
| "version": "4094445229760d0d31a4190dfe88fe815c9fc34e", |
| "lessThan": "e51ff3ffc316377cca21de8b80404eed0c37b3c3", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "4094445229760d0d31a4190dfe88fe815c9fc34e", |
| "lessThan": "47d8de3c226574a3ddb8b87d0c152028d1bafef4", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "4094445229760d0d31a4190dfe88fe815c9fc34e", |
| "lessThan": "4d8f9065830e526c83199186c5f56a6514f457d2", |
| "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/netfilter/nf_tables_api.c" |
| ], |
| "versions": [ |
| { |
| "version": "5.7", |
| "status": "affected" |
| }, |
| { |
| "version": "0", |
| "lessThan": "5.7", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "5.10.64", |
| "lessThanOrEqual": "5.10.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "5.11.16", |
| "lessThanOrEqual": "5.11.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "5.12", |
| "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": "5.7", |
| "versionEndExcluding": "5.10.64" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "5.7", |
| "versionEndExcluding": "5.11.16" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "5.7", |
| "versionEndExcluding": "5.12" |
| } |
| ] |
| } |
| ] |
| } |
| ], |
| "references": [ |
| { |
| "url": "https://git.kernel.org/stable/c/e51ff3ffc316377cca21de8b80404eed0c37b3c3" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/47d8de3c226574a3ddb8b87d0c152028d1bafef4" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/4d8f9065830e526c83199186c5f56a6514f457d2" |
| } |
| ], |
| "title": "netfilter: nftables: clone set element expression template", |
| "x_generator": { |
| "engine": "bippy-1.2.0" |
| } |
| } |
| }, |
| "cveMetadata": { |
| "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038", |
| "cveID": "CVE-2021-46913", |
| "requesterUserId": "gregkh@kernel.org", |
| "serial": "1", |
| "state": "PUBLISHED" |
| }, |
| "dataType": "CVE_RECORD", |
| "dataVersion": "5.0" |
| } |
