{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2022-49094", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-02-26T01:49:39.249Z", "datePublished": "2025-02-26T01:54:48.163Z", "dateUpdated": "2025-05-04T08:29:45.881Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-05-04T08:29:45.881Z"}, "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."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/tls/tls_sw.c"], "versions": [{"version": "f295b3ae9f5927e084bd5decdff82390e3471801", "lessThan": "2b7d14c105dd8f6412eda5a91e1e6154653731e3", "status": "affected", "versionType": "git"}, {"version": "f295b3ae9f5927e084bd5decdff82390e3471801", "lessThan": "589154d0f18945f41d138a5b4e49e518d294474b", "status": "affected", "versionType": "git"}, {"version": "f295b3ae9f5927e084bd5decdff82390e3471801", "lessThan": "6e2f1b033b17dedda51d465861b69e58317d6343", "status": "affected", "versionType": "git"}, {"version": "f295b3ae9f5927e084bd5decdff82390e3471801", "lessThan": "29be1816cbab9a0dc6243120939fd10a92753756", "status": "affected", "versionType": "git"}, {"version": "f295b3ae9f5927e084bd5decdff82390e3471801", "lessThan": "2304660ab6c425df64d95301b601424c6a50f28b", "status": "affected", "versionType": "git"}, {"version": "f295b3ae9f5927e084bd5decdff82390e3471801", "lessThan": "9381fe8c849cfbe50245ac01fc077554f6eaa0e2", "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/tls/tls_sw.c"], "versions": [{"version": "5.2", "status": "affected"}, {"version": "0", "lessThan": "5.2", "status": "unaffected", "versionType": "semver"}, {"version": "5.4.189", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.111", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.34", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.16.20", "lessThanOrEqual": "5.16.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.17.3", "lessThanOrEqual": "5.17.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.18", "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": "5.2", "versionEndExcluding": "5.4.189"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.2", "versionEndExcluding": "5.10.111"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.2", "versionEndExcluding": "5.15.34"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.2", "versionEndExcluding": "5.16.20"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.2", "versionEndExcluding": "5.17.3"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.2", "versionEndExcluding": "5.18"}]}]}], "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"}}}}

{}

{"cveTags": [], "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."}], "id": "CVE-2022-49094", "lastModified": "2025-02-26T07:00:46.747", "metrics": {}, "published": "2025-02-26T07:00:46.747", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/2304660ab6c425df64d95301b601424c6a50f28b"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/29be1816cbab9a0dc6243120939fd10a92753756"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/2b7d14c105dd8f6412eda5a91e1e6154653731e3"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/589154d0f18945f41d138a5b4e49e518d294474b"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/6e2f1b033b17dedda51d465861b69e58317d6343"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/9381fe8c849cfbe50245ac01fc077554f6eaa0e2"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: net/tls: fix slab-out-of-bounds bug in decrypt_internal", "id": "2348196", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2348196"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "details": ["In the Linux kernel, the following vulnerability has been resolved:\nnet/tls: fix slab-out-of-bounds bug in decrypt_internal\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==================================================================\nBUG: KASAN: slab-out-of-bounds in decrypt_internal+0x385/0xc40 [tls]\nRead of size 16 at addr ffff888114e84e60 by task tls/10911\nCall Trace:\n<TASK>\ndump_stack_lvl+0x34/0x44\nprint_report.cold+0x5e/0x5db\n? decrypt_internal+0x385/0xc40 [tls]\nkasan_report+0xab/0x120\n? decrypt_internal+0x385/0xc40 [tls]\nkasan_check_range+0xf9/0x1e0\nmemcpy+0x20/0x60\ndecrypt_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]\ndecrypt_skb_update+0x9d/0x400 [tls]\ntls_sw_recvmsg+0x3c8/0xb50 [tls]\nAllocated by task 10911:\nkasan_save_stack+0x1e/0x40\n__kasan_kmalloc+0x81/0xa0\ntls_set_sw_offload+0x2eb/0xa20 [tls]\ntls_setsockopt+0x68c/0x700 [tls]\n__sys_setsockopt+0xfe/0x1b0\nReplace the crypto_aead_ivsize() with prot->iv_size + prot->salt_size\nwhen memcpy() iv value in TLS_1_3_VERSION scenario."], "name": "CVE-2022-49094", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Out of support scope", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-02-26T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-49094\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-49094\nhttps://lore.kernel.org/linux-cve-announce/2025022659-CVE-2022-49094-9749@gregkh/T"], "threat_severity": "Moderate"}