{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2022-49058", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-02-26T01:49:39.243Z", "datePublished": "2025-02-26T01:54:29.195Z", "dateUpdated": "2025-02-26T01:54:29.195Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-02-26T01:54:29.195Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncifs: potential buffer overflow in handling symlinks\n\nSmatch printed a warning:\n\tarch/x86/crypto/poly1305_glue.c:198 poly1305_update_arch() error:\n\t__memcpy() 'dctx->buf' too small (16 vs u32max)\n\nIt's caused because Smatch marks 'link_len' as untrusted since it comes\nfrom sscanf(). Add a check to ensure that 'link_len' is not larger than\nthe size of the 'link_str' buffer."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["fs/cifs/link.c"], "versions": [{"version": "c69c1b6eaea1b3e1eecf7ad2fba0208ac4a11131", "lessThan": "3e582749e742e662a8e9bb37cffac62dccaaa1e2", "status": "affected", "versionType": "git"}, {"version": "c69c1b6eaea1b3e1eecf7ad2fba0208ac4a11131", "lessThan": "1316c28569a80ab3596eeab05bf5e01991e7e739", "status": "affected", "versionType": "git"}, {"version": "c69c1b6eaea1b3e1eecf7ad2fba0208ac4a11131", "lessThan": "eb5f51756944735ac70cd8bb38637cc202e29c91", "status": "affected", "versionType": "git"}, {"version": "c69c1b6eaea1b3e1eecf7ad2fba0208ac4a11131", "lessThan": "22d658c6c5affed10c8907e67160cef0b6c92186", "status": "affected", "versionType": "git"}, {"version": "c69c1b6eaea1b3e1eecf7ad2fba0208ac4a11131", "lessThan": "4e166a41180be2f1e66bbb6d46448e80a9a5ec05", "status": "affected", "versionType": "git"}, {"version": "c69c1b6eaea1b3e1eecf7ad2fba0208ac4a11131", "lessThan": "9901b07ba42b39266b34a888e48d7306fd707bee", "status": "affected", "versionType": "git"}, {"version": "c69c1b6eaea1b3e1eecf7ad2fba0208ac4a11131", "lessThan": "515e7ba11ef043d6febe69389949c8ef5f25e9d0", "status": "affected", "versionType": "git"}, {"version": "c69c1b6eaea1b3e1eecf7ad2fba0208ac4a11131", "lessThan": "64c4a37ac04eeb43c42d272f6e6c8c12bfcf4304", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["fs/cifs/link.c"], "versions": [{"version": "2.6.37", "status": "affected"}, {"version": "0", "lessThan": "2.6.37", "status": "unaffected", "versionType": "semver"}, {"version": "4.9.311", "lessThanOrEqual": "4.9.*", "status": "unaffected", "versionType": "semver"}, {"version": "4.14.276", "lessThanOrEqual": "4.14.*", "status": "unaffected", "versionType": "semver"}, {"version": "4.19.239", "lessThanOrEqual": "4.19.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.4.190", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.112", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.35", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.17.4", "lessThanOrEqual": "5.17.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.18", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "references": [{"url": "https://git.kernel.org/stable/c/3e582749e742e662a8e9bb37cffac62dccaaa1e2"}, {"url": "https://git.kernel.org/stable/c/1316c28569a80ab3596eeab05bf5e01991e7e739"}, {"url": "https://git.kernel.org/stable/c/eb5f51756944735ac70cd8bb38637cc202e29c91"}, {"url": "https://git.kernel.org/stable/c/22d658c6c5affed10c8907e67160cef0b6c92186"}, {"url": "https://git.kernel.org/stable/c/4e166a41180be2f1e66bbb6d46448e80a9a5ec05"}, {"url": "https://git.kernel.org/stable/c/9901b07ba42b39266b34a888e48d7306fd707bee"}, {"url": "https://git.kernel.org/stable/c/515e7ba11ef043d6febe69389949c8ef5f25e9d0"}, {"url": "https://git.kernel.org/stable/c/64c4a37ac04eeb43c42d272f6e6c8c12bfcf4304"}], "title": "cifs: potential buffer overflow in handling symlinks", "x_generator": {"engine": "bippy-5f407fcff5a0"}}}}

{}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "4ECFAA1B-4193-4D30-B7CA-C57E2AFD1132", "versionEndExcluding": "4.9.311", "versionStartIncluding": "2.6.37", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "6D9B028C-6313-47F9-94B7-5F8122345E49", "versionEndExcluding": "4.14.276", "versionStartIncluding": "4.10", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "712D9B45-4B53-4563-94B5-F758AFBBFB0D", "versionEndExcluding": "4.19.239", "versionStartIncluding": "4.15", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "E0ADBA6D-47D8-4518-8D10-9B9196DE680B", "versionEndExcluding": "5.4.190", "versionStartIncluding": "4.20", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "0460A5D2-3024-497A-B799-23E025B91972", "versionEndExcluding": "5.10.112", "versionStartIncluding": "5.5", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "05ABCC3F-88A9-47F9-9D40-8665747B2E43", "versionEndExcluding": "5.15.35", "versionStartIncluding": "5.11", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "E22C86CB-06CD-4D16-AB2A-F21EE8199262", "versionEndExcluding": "5.17.4", "versionStartIncluding": "5.16", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.18:rc1:*:*:*:*:*:*", "matchCriteriaId": "6AD94161-84BB-42E6-9882-4FC0C42E9FC1", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.18:rc2:*:*:*:*:*:*", "matchCriteriaId": "7AB06DDF-3C2B-416D-B448-E990D8FF67A9", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncifs: potential buffer overflow in handling symlinks\n\nSmatch printed a warning:\n\tarch/x86/crypto/poly1305_glue.c:198 poly1305_update_arch() error:\n\t__memcpy() 'dctx->buf' too small (16 vs u32max)\n\nIt's caused because Smatch marks 'link_len' as untrusted since it comes\nfrom sscanf(). Add a check to ensure that 'link_len' is not larger than\nthe size of the 'link_str' buffer."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: cifs: desbordamiento de b\u00fafer potencial al manejar enlaces simb\u00f3licos Smatch imprimi\u00f3 una advertencia: arch/x86/crypto/poly1305_glue.c:198 poly1305_update_arch() error: __memcpy() 'dctx->buf' demasiado peque\u00f1o (16 vs u32max) Esto se debe a que Smatch marca 'link_len' como no confiable ya que proviene de sscanf(). Agregue una verificaci\u00f3n para asegurarse de que 'link_len' no sea m\u00e1s grande que el tama\u00f1o del b\u00fafer 'link_str'."}], "id": "CVE-2022-49058", "lastModified": "2025-03-18T19:08:08.200", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2025-02-26T07:00:43.047", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/1316c28569a80ab3596eeab05bf5e01991e7e739"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/22d658c6c5affed10c8907e67160cef0b6c92186"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/3e582749e742e662a8e9bb37cffac62dccaaa1e2"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/4e166a41180be2f1e66bbb6d46448e80a9a5ec05"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/515e7ba11ef043d6febe69389949c8ef5f25e9d0"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/64c4a37ac04eeb43c42d272f6e6c8c12bfcf4304"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/9901b07ba42b39266b34a888e48d7306fd707bee"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/eb5f51756944735ac70cd8bb38637cc202e29c91"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-120"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: cifs: potential buffer overflow in handling symlinks", "id": "2348254", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2348254"}, "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"}, "cwe": "CWE-120", "details": ["In the Linux kernel, the following vulnerability has been resolved:\ncifs: potential buffer overflow in handling symlinks\nSmatch printed a warning:\narch/x86/crypto/poly1305_glue.c:198 poly1305_update_arch() error:\n__memcpy() 'dctx->buf' too small (16 vs u32max)\nIt's caused because Smatch marks 'link_len' as untrusted since it comes\nfrom sscanf(). Add a check to ensure that 'link_len' is not larger than\nthe size of the 'link_str' buffer."], "name": "CVE-2022-49058", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "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-2022-49058\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-49058\nhttps://lore.kernel.org/linux-cve-announce/2025022653-CVE-2022-49058-5df2@gregkh/T"], "threat_severity": "Moderate"}