CVE-2022-49318

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2022-49318", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-02-26T02:08:31.537Z", "datePublished": "2025-02-26T02:10:44.557Z", "dateUpdated": "2026-08-15T12:22:35.531Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-15T12:22:35.531Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nf2fs: remove WARN_ON in f2fs_is_valid_blkaddr\n\nSyzbot triggers two WARNs in f2fs_is_valid_blkaddr and\n__is_bitmap_valid. For example, in f2fs_is_valid_blkaddr,\nif type is DATA_GENERIC_ENHANCE or DATA_GENERIC_ENHANCE_READ,\nit invokes WARN_ON if blkaddr is not in the right range.\nThe call trace is as follows:\n\n f2fs_get_node_info+0x45f/0x1070\n read_node_page+0x577/0x1190\n __get_node_page.part.0+0x9e/0x10e0\n __get_node_page\n f2fs_get_node_page+0x109/0x180\n do_read_inode\n f2fs_iget+0x2a5/0x58b0\n f2fs_fill_super+0x3b39/0x7ca0\n\nFix these two WARNs by replacing WARN_ON with dump_stack."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["fs/f2fs/checkpoint.c"], "versions": [{"version": "c9b60788fc760d136211853f10ce73dc152d1f4a", "lessThan": "0a7a1fc7e71eecf2e5053a6c312c9f0dcbb9b8fd", "status": "affected", "versionType": "git"}, {"version": "c9b60788fc760d136211853f10ce73dc152d1f4a", "lessThan": "32bea51fe4c6e92c00403739f7547c89219bea88", "status": "affected", 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"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": "4.19", "versionEndExcluding": "5.4.198"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.19", "versionEndExcluding": "5.10.122"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.19", "versionEndExcluding": "5.15.47"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.19", "versionEndExcluding": "5.17.15"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.19", 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"https://git.kernel.org/stable/c/dc2f78e2d4cc844a1458653d57ce1b54d4a29f21"}], "title": "f2fs: remove WARN_ON in f2fs_is_valid_blkaddr", "x_generator": {"engine": "bippy-1.2.0"}}, "adp": [{"metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}}, {"other": {"type": "ssvc", "content": {"id": "CVE-2022-49318", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2025-10-01T19:43:51.397686Z"}}}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "description": "CWE-noinfo Not enough information"}]}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-10-01T19:46:56.972Z"}}]}}

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For example, in f2fs_is_valid_blkaddr,\nif type is DATA_GENERIC_ENHANCE or DATA_GENERIC_ENHANCE_READ,\nit invokes WARN_ON if blkaddr is not in the right range.\nThe call trace is as follows:\n\n f2fs_get_node_info+0x45f/0x1070\n read_node_page+0x577/0x1190\n __get_node_page.part.0+0x9e/0x10e0\n __get_node_page\n f2fs_get_node_page+0x109/0x180\n do_read_inode\n f2fs_iget+0x2a5/0x58b0\n f2fs_fill_super+0x3b39/0x7ca0\n\nFix these two WARNs by replacing WARN_ON with dump_stack."}], "cpeApplicability": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.4.198", "versionStartIncluding": "4.19"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.10.122", "versionStartIncluding": "4.19"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.15.47", "versionStartIncluding": "4.19"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.17.15", "versionStartIncluding": "4.19"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.18.4", "versionStartIncluding": "4.19"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.19", "versionStartIncluding": "4.19"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionStartIncluding": "4.4.172"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionStartIncluding": "4.9.144"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionStartIncluding": "4.14.86"}], "operator": "OR"}]}], "providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-15T12:22:35.531Z"}}}, "cveMetadata": {"cveId": "CVE-2022-49318", "state": "PUBLISHED", "dateUpdated": "2026-08-15T12:22:35.531Z", "dateReserved": "2025-02-26T02:08:31.537Z", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "datePublished": "2025-02-26T02:10:44.557Z", "assignerShortName": "Linux"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["fs/f2fs/checkpoint.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "0a7a1fc7e71eecf2e5053a6c312c9f0dcbb9b8fd", "status": "affected", "version": "c9b60788fc760d136211853f10ce73dc152d1f4a", "versionType": "git"}, {"lessThan": "32bea51fe4c6e92c00403739f7547c89219bea88", "status": "affected", "version": "c9b60788fc760d136211853f10ce73dc152d1f4a", "versionType": "git"}, {"lessThan": "99c09b298e47ebbe345a6da9f268b32a6b0f4582", "status": "affected", "version": "c9b60788fc760d136211853f10ce73dc152d1f4a", "versionType": "git"}, {"lessThan": "cd6374af36cc548464d8c47a93fdba7303bb82a4", "status": "affected", "version": "c9b60788fc760d136211853f10ce73dc152d1f4a", "versionType": "git"}, {"lessThan": "8c62c5e26345c34d199b4b8c8e69255ba3d0e751", "status": "affected", "version": "c9b60788fc760d136211853f10ce73dc152d1f4a", "versionType": "git"}, {"lessThan": "dc2f78e2d4cc844a1458653d57ce1b54d4a29f21", "status": "affected", "version": "c9b60788fc760d136211853f10ce73dc152d1f4a", "versionType": "git"}, {"status": "affected", "version": "bdffda8db8d9e0125b9a41edc420c39f9905c6ab", "versionType": "git"}, {"status": "affected", "version": "aafb371575161e315a98dee978b72f9d5357791b", "versionType": "git"}, {"status": "affected", "version": "ad19d1e78fd51f5b4bf3ebbcbf3a133c8c03c49d", "versionType": "git"}, {"lessThan": "4.5", "status": "affected", "version": "4.4.172", "versionType": "semver"}, {"lessThan": "4.10", "status": "affected", "version": "4.9.144", "versionType": "semver"}, {"lessThan": "4.15", "status": "affected", "version": "4.14.86", "versionType": "semver"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["fs/f2fs/checkpoint.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "4.19"}, {"lessThan": "4.19", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "5.4.*", "status": "unaffected", "version": "5.4.198", "versionType": "semver"}, {"lessThanOrEqual": "5.10.*", "status": "unaffected", "version": "5.10.122", "versionType": "semver"}, {"lessThanOrEqual": "5.15.*", "status": "unaffected", "version": "5.15.47", "versionType": "semver"}, {"lessThanOrEqual": "5.17.*", "status": "unaffected", "version": "5.17.15", "versionType": "semver"}, {"lessThanOrEqual": "5.18.*", "status": "unaffected", "version": "5.18.4", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "5.19", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "C1C86ABC-337F-46B3-BCD8-22DC5A66E45A", "versionEndExcluding": "5.4.198", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "1B42AA01-44D8-4572-95E6-FF8E374CF9C5", "versionEndExcluding": "5.10.122", "versionStartIncluding": "5.5", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "FC042EE3-4864-4325-BE0B-4BCDBF11AA61", "versionEndExcluding": "5.15.47", "versionStartIncluding": "5.11", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "53E7AA2E-2FB4-45CA-A22B-08B4EDBB51AD", "versionEndExcluding": "5.17.15", "versionStartIncluding": "5.16", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "FA6D643C-6D6A-4821-8A8D-B5776B8F0103", "versionEndExcluding": "5.18.4", "versionStartIncluding": "5.18", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nf2fs: remove WARN_ON in f2fs_is_valid_blkaddr\n\nSyzbot triggers two WARNs in f2fs_is_valid_blkaddr and\n__is_bitmap_valid. For example, in f2fs_is_valid_blkaddr,\nif type is DATA_GENERIC_ENHANCE or DATA_GENERIC_ENHANCE_READ,\nit invokes WARN_ON if blkaddr is not in the right range.\nThe call trace is as follows:\n\n f2fs_get_node_info+0x45f/0x1070\n read_node_page+0x577/0x1190\n __get_node_page.part.0+0x9e/0x10e0\n __get_node_page\n f2fs_get_node_page+0x109/0x180\n do_read_inode\n f2fs_iget+0x2a5/0x58b0\n f2fs_fill_super+0x3b39/0x7ca0\n\nFix these two WARNs by replacing WARN_ON with dump_stack."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: f2fs: eliminar WARN_ON en f2fs_is_valid_blkaddr Syzbot activa dos WARN en f2fs_is_valid_blkaddr y __is_bitmap_valid. Por ejemplo, en f2fs_is_valid_blkaddr, si el tipo es DATA_GENERIC_ENHANCE o DATA_GENERIC_ENHANCE_READ, invoca WARN_ON si blkaddr no est\u00e1 en el rango correcto. El seguimiento de la llamada es el siguiente: f2fs_get_node_info+0x45f/0x1070 read_node_page+0x577/0x1190 __get_node_page.part.0+0x9e/0x10e0 __get_node_page f2fs_get_node_page+0x109/0x180 do_read_inode f2fs_iget+0x2a5/0x58b0 f2fs_fill_super+0x3b39/0x7ca0 Corrija estas dos ADVERTENCIAS reemplazando WARN_ON con dump_stack."}], "id": "CVE-2022-49318", "lastModified": "2026-08-15T13:17:18.803", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2022-49318", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2025-10-01T19:43:51.397686Z", "version": "2.0.3"}}]}, "published": "2025-02-26T07:01:08.660", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/0a7a1fc7e71eecf2e5053a6c312c9f0dcbb9b8fd"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/32bea51fe4c6e92c00403739f7547c89219bea88"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/8c62c5e26345c34d199b4b8c8e69255ba3d0e751"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/99c09b298e47ebbe345a6da9f268b32a6b0f4582"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/cd6374af36cc548464d8c47a93fdba7303bb82a4"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/dc2f78e2d4cc844a1458653d57ce1b54d4a29f21"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: f2fs: remove WARN_ON in f2fs_is_valid_blkaddr", "id": "2347905", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2347905"}, "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:\nf2fs: remove WARN_ON in f2fs_is_valid_blkaddr\nSyzbot triggers two WARNs in f2fs_is_valid_blkaddr and\n__is_bitmap_valid. For example, in f2fs_is_valid_blkaddr,\nif type is DATA_GENERIC_ENHANCE or DATA_GENERIC_ENHANCE_READ,\nit invokes WARN_ON if blkaddr is not in the right range.\nThe call trace is as follows:\nf2fs_get_node_info+0x45f/0x1070\nread_node_page+0x577/0x1190\n__get_node_page.part.0+0x9e/0x10e0\n__get_node_page\nf2fs_get_node_page+0x109/0x180\ndo_read_inode\nf2fs_iget+0x2a5/0x58b0\nf2fs_fill_super+0x3b39/0x7ca0\nFix these two WARNs by replacing WARN_ON with dump_stack."], "name": "CVE-2022-49318", "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": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not 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-2022-49318\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-49318\nhttps://lore.kernel.org/linux-cve-announce/2025022637-CVE-2022-49318-732e@gregkh/T"], "threat_severity": "Moderate"}

{}