| { |
| "containers": { |
| "cna": { |
| "providerMetadata": { |
| "orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038" |
| }, |
| "descriptions": [ |
| { |
| "lang": "en", |
| "value": "In the Linux kernel, the following vulnerability has been resolved:\n\num: Fix out-of-bounds read in LDT setup\n\nsyscall_stub_data() expects the data_count parameter to be the number of\nlongs, not bytes.\n\n ==================================================================\n BUG: KASAN: stack-out-of-bounds in syscall_stub_data+0x70/0xe0\n Read of size 128 at addr 000000006411f6f0 by task swapper/1\n\n CPU: 0 PID: 1 Comm: swapper Not tainted 5.18.0+ #18\n Call Trace:\n show_stack.cold+0x166/0x2a7\n __dump_stack+0x3a/0x43\n dump_stack_lvl+0x1f/0x27\n print_report.cold+0xdb/0xf81\n kasan_report+0x119/0x1f0\n kasan_check_range+0x3a3/0x440\n memcpy+0x52/0x140\n syscall_stub_data+0x70/0xe0\n write_ldt_entry+0xac/0x190\n init_new_ldt+0x515/0x960\n init_new_context+0x2c4/0x4d0\n mm_init.constprop.0+0x5ed/0x760\n mm_alloc+0x118/0x170\n 0x60033f48\n do_one_initcall+0x1d7/0x860\n 0x60003e7b\n kernel_init+0x6e/0x3d4\n new_thread_handler+0x1e7/0x2c0\n\n The buggy address belongs to stack of task swapper/1\n and is located at offset 64 in frame:\n init_new_ldt+0x0/0x960\n\n This frame has 2 objects:\n [32, 40) 'addr'\n [64, 80) 'desc'\n ==================================================================" |
| } |
| ], |
| "affected": [ |
| { |
| "product": "Linux", |
| "vendor": "Linux", |
| "defaultStatus": "unaffected", |
| "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", |
| "programFiles": [ |
| "arch/x86/um/ldt.c" |
| ], |
| "versions": [ |
| { |
| "version": "858259cf7d1c443c836a2022b78cb281f0a9b95e", |
| "lessThan": "668ca34a428d6ffc0f99a1a6a9b661a288d4183b", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "858259cf7d1c443c836a2022b78cb281f0a9b95e", |
| "lessThan": "ef1dc929a1e5fa1b2d842256db9fb8710d3be910", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "858259cf7d1c443c836a2022b78cb281f0a9b95e", |
| "lessThan": "3549ab4b962cf619e8c55484a0d870a34b3f845f", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "858259cf7d1c443c836a2022b78cb281f0a9b95e", |
| "lessThan": "9caad70819aef3431abaf73ba5163b55b161aba0", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "858259cf7d1c443c836a2022b78cb281f0a9b95e", |
| "lessThan": "cf0dabc37446c5ee538ae7b4c467ab0e53fa5463", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "858259cf7d1c443c836a2022b78cb281f0a9b95e", |
| "lessThan": "10995a382271254bd276627ec74136da4a23c4a6", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "858259cf7d1c443c836a2022b78cb281f0a9b95e", |
| "lessThan": "24ca648bf5f72ed8878cf09b5d4431935779681e", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "858259cf7d1c443c836a2022b78cb281f0a9b95e", |
| "lessThan": "91e5ba2af2d729d5126aefd5aa3eadc69b8426e5", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "858259cf7d1c443c836a2022b78cb281f0a9b95e", |
| "lessThan": "2a4a62a14be1947fa945c5c11ebf67326381a568", |
| "status": "affected", |
| "versionType": "git" |
| } |
| ] |
| }, |
| { |
| "product": "Linux", |
| "vendor": "Linux", |
| "defaultStatus": "affected", |
| "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", |
| "programFiles": [ |
| "arch/x86/um/ldt.c" |
| ], |
| "versions": [ |
| { |
| "version": "2.6.15", |
| "status": "affected" |
| }, |
| { |
| "version": "0", |
| "lessThan": "2.6.15", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "4.9.318", |
| "lessThanOrEqual": "4.9.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "4.14.283", |
| "lessThanOrEqual": "4.14.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "4.19.247", |
| "lessThanOrEqual": "4.19.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "5.4.198", |
| "lessThanOrEqual": "5.4.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "5.10.121", |
| "lessThanOrEqual": "5.10.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "5.15.46", |
| "lessThanOrEqual": "5.15.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "5.17.14", |
| "lessThanOrEqual": "5.17.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "5.18.3", |
| "lessThanOrEqual": "5.18.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "5.19", |
| "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": "2.6.15", |
| "versionEndExcluding": "4.9.318" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "2.6.15", |
| "versionEndExcluding": "4.14.283" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "2.6.15", |
| "versionEndExcluding": "4.19.247" |
| }, |
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| "versionStartIncluding": "2.6.15", |
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| }, |
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| }, |
| { |
| "vulnerable": true, |
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| "versionEndExcluding": "5.17.14" |
| }, |
| { |
| "vulnerable": true, |
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| "versionStartIncluding": "2.6.15", |
| "versionEndExcluding": "5.18.3" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "2.6.15", |
| "versionEndExcluding": "5.19" |
| } |
| ] |
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| ] |
| } |
| ], |
| "references": [ |
| { |
| "url": "https://git.kernel.org/stable/c/668ca34a428d6ffc0f99a1a6a9b661a288d4183b" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/ef1dc929a1e5fa1b2d842256db9fb8710d3be910" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/3549ab4b962cf619e8c55484a0d870a34b3f845f" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/9caad70819aef3431abaf73ba5163b55b161aba0" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/cf0dabc37446c5ee538ae7b4c467ab0e53fa5463" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/10995a382271254bd276627ec74136da4a23c4a6" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/24ca648bf5f72ed8878cf09b5d4431935779681e" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/91e5ba2af2d729d5126aefd5aa3eadc69b8426e5" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/2a4a62a14be1947fa945c5c11ebf67326381a568" |
| } |
| ], |
| "title": "um: Fix out-of-bounds read in LDT setup", |
| "x_generator": { |
| "engine": "bippy-1.2.0" |
| } |
| } |
| }, |
| "cveMetadata": { |
| "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038", |
| "cveID": "CVE-2022-49395", |
| "requesterUserId": "gregkh@kernel.org", |
| "serial": "1", |
| "state": "PUBLISHED" |
| }, |
| "dataType": "CVE_RECORD", |
| "dataVersion": "5.0" |
| } |
