{"api_version":"1","generated_at":"2026-08-08T05:48:31+00:00","cve":"CVE-2022-49094","urls":{"html":"https://cve.report/CVE-2022-49094","api":"https://cve.report/api/cve/CVE-2022-49094.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2022-49094","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2022-49094"},"summary":{"title":"net/tls: fix slab-out-of-bounds bug in decrypt_internal","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet/tls: fix slab-out-of-bounds bug in decrypt_internal\n\nThe memory size of tls_ctx->rx.iv for AES128-CCM is 12 setting in\ntls_set_sw_offload(). The return value of crypto_aead_ivsize()\nfor \"ccm(aes)\" is 16. So memcpy() require 16 bytes from 12 bytes\nmemory space will trigger slab-out-of-bounds bug as following:\n\n==================================================================\nBUG: KASAN: slab-out-of-bounds in decrypt_internal+0x385/0xc40 [tls]\nRead of size 16 at addr ffff888114e84e60 by task tls/10911\n\nCall Trace:\n <TASK>\n dump_stack_lvl+0x34/0x44\n print_report.cold+0x5e/0x5db\n ? decrypt_internal+0x385/0xc40 [tls]\n kasan_report+0xab/0x120\n ? decrypt_internal+0x385/0xc40 [tls]\n kasan_check_range+0xf9/0x1e0\n memcpy+0x20/0x60\n decrypt_internal+0x385/0xc40 [tls]\n ? tls_get_rec+0x2e0/0x2e0 [tls]\n ? process_rx_list+0x1a5/0x420 [tls]\n ? tls_setup_from_iter.constprop.0+0x2e0/0x2e0 [tls]\n decrypt_skb_update+0x9d/0x400 [tls]\n tls_sw_recvmsg+0x3c8/0xb50 [tls]\n\nAllocated by task 10911:\n kasan_save_stack+0x1e/0x40\n __kasan_kmalloc+0x81/0xa0\n tls_set_sw_offload+0x2eb/0xa20 [tls]\n tls_setsockopt+0x68c/0x700 [tls]\n __sys_setsockopt+0xfe/0x1b0\n\nReplace the crypto_aead_ivsize() with prot->iv_size + prot->salt_size\nwhen memcpy() iv value in TLS_1_3_VERSION scenario.","state":"PUBLISHED","assigner":"Linux","published_at":"2025-02-26 07:00:46","updated_at":"2026-08-04 10:17:34"},"problem_types":["CWE-125"],"metrics":[{"version":"3.1","source":"nvd@nist.gov","type":"Primary","score":"7.1","severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H","baseScore":7.1,"baseSeverity":"HIGH","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"NONE","availabilityImpact":"HIGH"}},{"version":"3.1","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","type":"Secondary","score":"9.8","severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","baseScore":9.8,"baseSeverity":"CRITICAL","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"}},{"version":"3.1","source":"CNA","type":"DECLARED","score":"9.8","severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","data":{"baseScore":9.8,"baseSeverity":"CRITICAL","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","version":"3.1"}}],"references":[{"url":"https://git.kernel.org/stable/c/589154d0f18945f41d138a5b4e49e518d294474b","name":"https://git.kernel.org/stable/c/589154d0f18945f41d138a5b4e49e518d294474b","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/9381fe8c849cfbe50245ac01fc077554f6eaa0e2","name":"https://git.kernel.org/stable/c/9381fe8c849cfbe50245ac01fc077554f6eaa0e2","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/2304660ab6c425df64d95301b601424c6a50f28b","name":"https://git.kernel.org/stable/c/2304660ab6c425df64d95301b601424c6a50f28b","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/2b7d14c105dd8f6412eda5a91e1e6154653731e3","name":"https://git.kernel.org/stable/c/2b7d14c105dd8f6412eda5a91e1e6154653731e3","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/6e2f1b033b17dedda51d465861b69e58317d6343","name":"https://git.kernel.org/stable/c/6e2f1b033b17dedda51d465861b69e58317d6343","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/29be1816cbab9a0dc6243120939fd10a92753756","name":"https://git.kernel.org/stable/c/29be1816cbab9a0dc6243120939fd10a92753756","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2022-49094","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-49094","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected f295b3ae9f5927e084bd5decdff82390e3471801 2b7d14c105dd8f6412eda5a91e1e6154653731e3 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected f295b3ae9f5927e084bd5decdff82390e3471801 589154d0f18945f41d138a5b4e49e518d294474b git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected f295b3ae9f5927e084bd5decdff82390e3471801 6e2f1b033b17dedda51d465861b69e58317d6343 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected f295b3ae9f5927e084bd5decdff82390e3471801 29be1816cbab9a0dc6243120939fd10a92753756 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected f295b3ae9f5927e084bd5decdff82390e3471801 2304660ab6c425df64d95301b601424c6a50f28b git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected f295b3ae9f5927e084bd5decdff82390e3471801 9381fe8c849cfbe50245ac01fc077554f6eaa0e2 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 5.2","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.2 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.4.189 5.4.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.10.111 5.10.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.15.34 5.15.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.16.20 5.16.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.17.3 5.17.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.18 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2022","cve_id":"49094","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"linux","cpe5":"linux_kernel","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["net/tls/tls_sw.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"2b7d14c105dd8f6412eda5a91e1e6154653731e3","status":"affected","version":"f295b3ae9f5927e084bd5decdff82390e3471801","versionType":"git"},{"lessThan":"589154d0f18945f41d138a5b4e49e518d294474b","status":"affected","version":"f295b3ae9f5927e084bd5decdff82390e3471801","versionType":"git"},{"lessThan":"6e2f1b033b17dedda51d465861b69e58317d6343","status":"affected","version":"f295b3ae9f5927e084bd5decdff82390e3471801","versionType":"git"},{"lessThan":"29be1816cbab9a0dc6243120939fd10a92753756","status":"affected","version":"f295b3ae9f5927e084bd5decdff82390e3471801","versionType":"git"},{"lessThan":"2304660ab6c425df64d95301b601424c6a50f28b","status":"affected","version":"f295b3ae9f5927e084bd5decdff82390e3471801","versionType":"git"},{"lessThan":"9381fe8c849cfbe50245ac01fc077554f6eaa0e2","status":"affected","version":"f295b3ae9f5927e084bd5decdff82390e3471801","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["net/tls/tls_sw.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"5.2"},{"lessThan":"5.2","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.4.*","status":"unaffected","version":"5.4.189","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.111","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.34","versionType":"semver"},{"lessThanOrEqual":"5.16.*","status":"unaffected","version":"5.16.20","versionType":"semver"},{"lessThanOrEqual":"5.17.*","status":"unaffected","version":"5.17.3","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"5.18","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.4.189","versionStartIncluding":"5.2","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.10.111","versionStartIncluding":"5.2","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.15.34","versionStartIncluding":"5.2","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.16.20","versionStartIncluding":"5.2","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.17.3","versionStartIncluding":"5.2","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.18","versionStartIncluding":"5.2","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet/tls: fix slab-out-of-bounds bug in decrypt_internal\n\nThe memory size of tls_ctx->rx.iv for AES128-CCM is 12 setting in\ntls_set_sw_offload(). The return value of crypto_aead_ivsize()\nfor \"ccm(aes)\" is 16. So memcpy() require 16 bytes from 12 bytes\nmemory space will trigger slab-out-of-bounds bug as following:\n\n==================================================================\nBUG: KASAN: slab-out-of-bounds in decrypt_internal+0x385/0xc40 [tls]\nRead of size 16 at addr ffff888114e84e60 by task tls/10911\n\nCall Trace:\n <TASK>\n dump_stack_lvl+0x34/0x44\n print_report.cold+0x5e/0x5db\n ? decrypt_internal+0x385/0xc40 [tls]\n kasan_report+0xab/0x120\n ? decrypt_internal+0x385/0xc40 [tls]\n kasan_check_range+0xf9/0x1e0\n memcpy+0x20/0x60\n decrypt_internal+0x385/0xc40 [tls]\n ? tls_get_rec+0x2e0/0x2e0 [tls]\n ? process_rx_list+0x1a5/0x420 [tls]\n ? tls_setup_from_iter.constprop.0+0x2e0/0x2e0 [tls]\n decrypt_skb_update+0x9d/0x400 [tls]\n tls_sw_recvmsg+0x3c8/0xb50 [tls]\n\nAllocated by task 10911:\n kasan_save_stack+0x1e/0x40\n __kasan_kmalloc+0x81/0xa0\n tls_set_sw_offload+0x2eb/0xa20 [tls]\n tls_setsockopt+0x68c/0x700 [tls]\n __sys_setsockopt+0xfe/0x1b0\n\nReplace the crypto_aead_ivsize() with prot->iv_size + prot->salt_size\nwhen memcpy() iv value in TLS_1_3_VERSION scenario."}],"metrics":[{"cvssV3_1":{"baseScore":9.8,"baseSeverity":"CRITICAL","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","version":"3.1"}}],"providerMetadata":{"dateUpdated":"2026-08-04T09:04:08.354Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/2b7d14c105dd8f6412eda5a91e1e6154653731e3"},{"url":"https://git.kernel.org/stable/c/589154d0f18945f41d138a5b4e49e518d294474b"},{"url":"https://git.kernel.org/stable/c/6e2f1b033b17dedda51d465861b69e58317d6343"},{"url":"https://git.kernel.org/stable/c/29be1816cbab9a0dc6243120939fd10a92753756"},{"url":"https://git.kernel.org/stable/c/2304660ab6c425df64d95301b601424c6a50f28b"},{"url":"https://git.kernel.org/stable/c/9381fe8c849cfbe50245ac01fc077554f6eaa0e2"}],"title":"net/tls: fix slab-out-of-bounds bug in decrypt_internal","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2022-49094","datePublished":"2025-02-26T01:54:48.163Z","dateReserved":"2025-02-26T01:49:39.249Z","dateUpdated":"2026-08-04T09:04:08.354Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2025-02-26 07:00:46","lastModifiedDate":"2026-08-04 10:17:34","problem_types":["CWE-125"],"metrics":{"cvssMetricV31":[{"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","baseScore":9.8,"baseSeverity":"CRITICAL","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":3.9,"impactScore":5.9},{"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:H/I:N/A:H","baseScore":7.1,"baseSeverity":"HIGH","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":1.8,"impactScore":5.2}]},"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.2","versionEndExcluding":"5.4.189","matchCriteriaId":"1C388193-E002-43D1-9296-FE6FEC623F34"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.5","versionEndExcluding":"5.10.111","matchCriteriaId":"96258501-7BCE-4C55-8A38-8AC9D327626D"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.11","versionEndExcluding":"5.15.34","matchCriteriaId":"D25878D3-7761-4E9F-8919-E92CD53896E0"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.16","versionEndExcluding":"5.16.20","matchCriteriaId":"ABBBA66E-0244-4621-966B-9790AF1EEB00"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.17","versionEndExcluding":"5.17.3","matchCriteriaId":"AE420AC7-1E59-4398-B84F-71F4B4337762"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:5.18:rc1:*:*:*:*:*:*","matchCriteriaId":"6AD94161-84BB-42E6-9882-4FC0C42E9FC1"}]}]}]},"legacy_mitre":{"record":{"CveYear":"2022","CveId":"49094","Ordinal":"1","Title":"net/tls: fix slab-out-of-bounds bug in decrypt_internal","CVE":"CVE-2022-49094","Year":"2022"},"notes":[{"CveYear":"2022","CveId":"49094","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet/tls: fix slab-out-of-bounds bug in decrypt_internal\n\nThe memory size of tls_ctx->rx.iv for AES128-CCM is 12 setting in\ntls_set_sw_offload(). The return value of crypto_aead_ivsize()\nfor \"ccm(aes)\" is 16. So memcpy() require 16 bytes from 12 bytes\nmemory space will trigger slab-out-of-bounds bug as following:\n\n==================================================================\nBUG: KASAN: slab-out-of-bounds in decrypt_internal+0x385/0xc40 [tls]\nRead of size 16 at addr ffff888114e84e60 by task tls/10911\n\nCall Trace:\n <TASK>\n dump_stack_lvl+0x34/0x44\n print_report.cold+0x5e/0x5db\n ? decrypt_internal+0x385/0xc40 [tls]\n kasan_report+0xab/0x120\n ? decrypt_internal+0x385/0xc40 [tls]\n kasan_check_range+0xf9/0x1e0\n memcpy+0x20/0x60\n decrypt_internal+0x385/0xc40 [tls]\n ? tls_get_rec+0x2e0/0x2e0 [tls]\n ? process_rx_list+0x1a5/0x420 [tls]\n ? tls_setup_from_iter.constprop.0+0x2e0/0x2e0 [tls]\n decrypt_skb_update+0x9d/0x400 [tls]\n tls_sw_recvmsg+0x3c8/0xb50 [tls]\n\nAllocated by task 10911:\n kasan_save_stack+0x1e/0x40\n __kasan_kmalloc+0x81/0xa0\n tls_set_sw_offload+0x2eb/0xa20 [tls]\n tls_setsockopt+0x68c/0x700 [tls]\n __sys_setsockopt+0xfe/0x1b0\n\nReplace the crypto_aead_ivsize() with prot->iv_size + prot->salt_size\nwhen memcpy() iv value in TLS_1_3_VERSION scenario.","Type":"Description","Title":"net/tls: fix slab-out-of-bounds bug in decrypt_internal"}]}}}