CVE-2026-64322

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But the table is walked as an array of 8-byte\nsparingEntry elements:\n\n\tfor (i = 0; i < le16_to_cpu(st->reallocationTableLen); i++) {\n\t\tstruct sparingEntry *entry = &st->mapEntry[i];\n\t\t... entry->origLocation ...\n\t}\n\nin udf_get_pblock_spar15() and udf_relocate_blocks(). A\nreallocationTableLen of N therefore passes the check whenever\nsizeof(*st) + N <= blocksize, yet the consumers index\nsizeof(*st) + N * sizeof(struct sparingEntry) bytes -- up to ~8x the\nblock. On a crafted UDF image this is an out-of-bounds read in\nudf_get_pblock_spar15(); udf_relocate_blocks() additionally feeds the\nsame length to udf_update_tag(), whose crc_itu_t() reads far past the\nblock, and its memmove() through st->mapEntry[] is an out-of-bounds\nwrite.\n\nValidate reallocationTableLen as the entry count it is, with\nstruct_size()."}], "metrics": [{"cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "baseScore": 7.8, "baseSeverity": "HIGH"}, "scenarios": [{"lang": "en", "value": "AV:L - A crafted UDF image must be presented and mounted as local loop or removable block media; no network-facing path reaches this parser.\nAC:L - The attacker deterministically controls the entry count, table contents, block size, and accessed packet, with no race or condition outside attacker control.\nPR:L - Direct mounting requires initial-namespace CAP_SYS_ADMIN and user namespaces do not help, but common UDisks/polkit configurations let an active unprivileged local user mount attacker-controlled loop or removable media through a privileged broker.\nUI:N - The local attacker can request the brokered mount and trigger block translation themselves, requiring no action by a separate victim.\nS:U - Exploitation compromises the host kernel within its existing security authority and does not inherently cross a VM, IOMMU, or other scope boundary.\nC:H - The malformed count permits reads up to roughly eight times beyond the block, and relocation can expose adjacent kernel data through copied entries or returned mapping values.\nI:H - udf_relocate_blocks performs an out-of-bounds origLocation store and attacker-sized memmove through mapEntry[], potentially corrupting adjacent kernel pages and enabling control-flow hijacking.\nA:H - The extensive out-of-bounds reads and writes can reliably cause a kernel oops, panic, or fatal memory corruption."}]}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["fs/udf/super.c"], "versions": [{"version": "1df2ae31c724e57be9d7ac00d78db8a5dabdd050", "lessThan": "eeb0f3e193f8e523d03e4c9e084f6b4875f50e8e", "status": "affected", "versionType": "git"}, {"version": "1df2ae31c724e57be9d7ac00d78db8a5dabdd050", "lessThan": "0a9b79a951cfd70a9d31ca01ae2d08a20bb730e9", "status": "affected", "versionType": "git"}, {"version": "1df2ae31c724e57be9d7ac00d78db8a5dabdd050", "lessThan": "2d726135099313958f8975532a2e15322ff150ce", "status": "affected", "versionType": "git"}, {"version": "1df2ae31c724e57be9d7ac00d78db8a5dabdd050", "lessThan": "7285276aa50d2839afb5957ffd491ad282dc8f72", "status": "affected", "versionType": "git"}, {"version": "1df2ae31c724e57be9d7ac00d78db8a5dabdd050", "lessThan": "2a219acb2ce674d99bbd1b7b35ed8c384dac7200", "status": "affected", "versionType": "git"}, {"version": "1df2ae31c724e57be9d7ac00d78db8a5dabdd050", "lessThan": "04f4599a9efb90992d072a814960edf0cd62805d", "status": "affected", "versionType": "git"}, {"version": "1df2ae31c724e57be9d7ac00d78db8a5dabdd050", "lessThan": "7f7774b9da0ef17b87bfa238cf966ad0b3376150", "status": "affected", "versionType": "git"}, {"version": "1df2ae31c724e57be9d7ac00d78db8a5dabdd050", "lessThan": "3ec997bd5508e9b25210b5bbec89031629cdb093", "status": "affected", "versionType": "git"}, {"version": "e240873cb4a9fd18de60a817100a96fe670d4359", "status": "affected", "versionType": "git"}, {"version": "9ae30e324a96d0328a575329d7a95a09b3318601", "status": "affected", "versionType": "git"}, {"version": "b1c5701ad6b3e5d21d16f65475651cfaaa41e7aa", "status": "affected", "versionType": "git"}, {"version": "a9f1af04f086656246f30354fb4564ce3b08c4a0", "status": "affected", "versionType": "git"}, {"version": "4836ee563d65bb492f907cbe267a5761b9693e4d", "status": "affected", "versionType": "git"}, {"version": "2.6.32.60", "lessThan": "2.6.33", "status": "affected", "versionType": "semver"}, {"version": "2.6.34.14", "lessThan": "2.6.35", "status": "affected", "versionType": "semver"}, {"version": "3.0.37", "lessThan": "3.1", "status": "affected", "versionType": "semver"}, {"version": "3.2.23", "lessThan": "3.3", "status": "affected", "versionType": "semver"}, {"version": "3.4.5", "lessThan": "3.5", "status": "affected", "versionType": "semver"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["fs/udf/super.c"], "versions": [{"version": "3.5", "status": "affected"}, {"version": "0", "lessThan": "3.5", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.261", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.212", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.178", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.145", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.96", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.39", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1.4", "lessThanOrEqual": "7.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2", "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": "3.5", "versionEndExcluding": "5.10.261"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.5", "versionEndExcluding": "5.15.212"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", 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"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.34.14"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.0.37"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.2.23"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.4.5"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/eeb0f3e193f8e523d03e4c9e084f6b4875f50e8e"}, {"url": "https://git.kernel.org/stable/c/0a9b79a951cfd70a9d31ca01ae2d08a20bb730e9"}, {"url": "https://git.kernel.org/stable/c/2d726135099313958f8975532a2e15322ff150ce"}, {"url": "https://git.kernel.org/stable/c/7285276aa50d2839afb5957ffd491ad282dc8f72"}, {"url": "https://git.kernel.org/stable/c/2a219acb2ce674d99bbd1b7b35ed8c384dac7200"}, {"url": "https://git.kernel.org/stable/c/04f4599a9efb90992d072a814960edf0cd62805d"}, {"url": "https://git.kernel.org/stable/c/7f7774b9da0ef17b87bfa238cf966ad0b3376150"}, {"url": "https://git.kernel.org/stable/c/3ec997bd5508e9b25210b5bbec89031629cdb093"}], "title": "udf: validate sparing table length as an entry count, not a byte count", "x_generator": {"engine": "bippy-1.2.0"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-64322", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-10-16T15:39:07.495740Z"}}}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-787", "description": "CWE-787 Out-of-bounds Write"}]}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-19T20:38:23.865Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-64322", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-10-16T15:39:07.495740Z"}}}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-787", "description": "CWE-787 Out-of-bounds Write"}]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-16T15:39:08.063Z"}}], "cna": {"title": "udf: validate sparing table length as an entry count, not a byte count", "metrics": [{"cvssV3_1": {"version": "3.1", "baseScore": 7.8, "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}, "scenarios": [{"lang": "en", "value": "AV:L - A crafted UDF image must be presented and mounted as local loop or removable block media; no network-facing path reaches this parser.\nAC:L - The attacker deterministically controls the entry count, table contents, block size, and accessed packet, with no race or condition outside attacker control.\nPR:L - Direct mounting requires initial-namespace CAP_SYS_ADMIN and user namespaces do not help, but common UDisks/polkit configurations let an active unprivileged local user mount attacker-controlled loop or removable media through a privileged broker.\nUI:N - The local attacker can request the brokered mount and trigger block translation themselves, requiring no action by a separate victim.\nS:U - Exploitation compromises the host kernel within its existing security authority and does not inherently cross a VM, IOMMU, or other scope boundary.\nC:H - The malformed count permits reads up to roughly eight times beyond the block, and relocation can expose adjacent kernel data through copied entries or returned mapping values.\nI:H - udf_relocate_blocks performs an out-of-bounds origLocation store and attacker-sized memmove through mapEntry[], potentially corrupting adjacent kernel pages and enabling control-flow hijacking.\nA:H - The extensive out-of-bounds reads and writes can reliably cause a kernel oops, panic, or fatal memory corruption."}]}], "affected": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "1df2ae31c724e57be9d7ac00d78db8a5dabdd050", "lessThan": "eeb0f3e193f8e523d03e4c9e084f6b4875f50e8e", "versionType": "git"}, {"status": "affected", "version": "1df2ae31c724e57be9d7ac00d78db8a5dabdd050", "lessThan": "0a9b79a951cfd70a9d31ca01ae2d08a20bb730e9", "versionType": "git"}, {"status": "affected", "version": "1df2ae31c724e57be9d7ac00d78db8a5dabdd050", "lessThan": "2d726135099313958f8975532a2e15322ff150ce", "versionType": "git"}, {"status": "affected", "version": "1df2ae31c724e57be9d7ac00d78db8a5dabdd050", "lessThan": "7285276aa50d2839afb5957ffd491ad282dc8f72", "versionType": "git"}, {"status": "affected", "version": "1df2ae31c724e57be9d7ac00d78db8a5dabdd050", "lessThan": "2a219acb2ce674d99bbd1b7b35ed8c384dac7200", "versionType": "git"}, {"status": "affected", "version": "1df2ae31c724e57be9d7ac00d78db8a5dabdd050", "lessThan": "04f4599a9efb90992d072a814960edf0cd62805d", "versionType": "git"}, {"status": "affected", "version": "1df2ae31c724e57be9d7ac00d78db8a5dabdd050", "lessThan": "7f7774b9da0ef17b87bfa238cf966ad0b3376150", "versionType": "git"}, {"status": "affected", "version": "1df2ae31c724e57be9d7ac00d78db8a5dabdd050", "lessThan": "3ec997bd5508e9b25210b5bbec89031629cdb093", "versionType": "git"}, {"status": "affected", "version": "e240873cb4a9fd18de60a817100a96fe670d4359", "versionType": "git"}, {"status": "affected", "version": "9ae30e324a96d0328a575329d7a95a09b3318601", "versionType": "git"}, {"status": "affected", "version": "b1c5701ad6b3e5d21d16f65475651cfaaa41e7aa", "versionType": "git"}, {"status": "affected", "version": "a9f1af04f086656246f30354fb4564ce3b08c4a0", "versionType": "git"}, {"status": "affected", "version": "4836ee563d65bb492f907cbe267a5761b9693e4d", "versionType": "git"}, {"status": "affected", "version": "2.6.32.60", "lessThan": "2.6.33", "versionType": "semver"}, {"status": "affected", "version": "2.6.34.14", "lessThan": "2.6.35", "versionType": "semver"}, {"status": "affected", "version": "3.0.37", "lessThan": "3.1", "versionType": "semver"}, {"status": "affected", "version": "3.2.23", "lessThan": "3.3", "versionType": "semver"}, {"status": "affected", "version": "3.4.5", "lessThan": "3.5", "versionType": "semver"}], "programFiles": ["fs/udf/super.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "3.5"}, {"status": "unaffected", "version": "0", "lessThan": "3.5", "versionType": "semver"}, {"status": "unaffected", "version": "5.10.261", "versionType": "semver", "lessThanOrEqual": "5.10.*"}, {"status": "unaffected", "version": "5.15.212", "versionType": "semver", "lessThanOrEqual": "5.15.*"}, {"status": "unaffected", "version": "6.1.178", "versionType": "semver", "lessThanOrEqual": "6.1.*"}, {"status": "unaffected", "version": "6.6.145", "versionType": "semver", "lessThanOrEqual": "6.6.*"}, {"status": "unaffected", "version": "6.12.96", "versionType": "semver", "lessThanOrEqual": "6.12.*"}, {"status": "unaffected", "version": "6.18.39", "versionType": "semver", "lessThanOrEqual": "6.18.*"}, {"status": "unaffected", "version": "7.1.4", "versionType": "semver", "lessThanOrEqual": "7.1.*"}, {"status": "unaffected", "version": "7.2", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["fs/udf/super.c"], "defaultStatus": "affected"}], "references": [{"url": "https://git.kernel.org/stable/c/eeb0f3e193f8e523d03e4c9e084f6b4875f50e8e"}, {"url": "https://git.kernel.org/stable/c/0a9b79a951cfd70a9d31ca01ae2d08a20bb730e9"}, {"url": "https://git.kernel.org/stable/c/2d726135099313958f8975532a2e15322ff150ce"}, {"url": "https://git.kernel.org/stable/c/7285276aa50d2839afb5957ffd491ad282dc8f72"}, {"url": "https://git.kernel.org/stable/c/2a219acb2ce674d99bbd1b7b35ed8c384dac7200"}, {"url": "https://git.kernel.org/stable/c/04f4599a9efb90992d072a814960edf0cd62805d"}, {"url": "https://git.kernel.org/stable/c/7f7774b9da0ef17b87bfa238cf966ad0b3376150"}, {"url": "https://git.kernel.org/stable/c/3ec997bd5508e9b25210b5bbec89031629cdb093"}], "x_generator": {"engine": "bippy-1.2.0"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nudf: validate sparing table length as an entry count, not a byte count\n\nudf_load_sparable_map() accepts a sparing table when\n\n\tsizeof(*st) + le16_to_cpu(st->reallocationTableLen) > sb->s_blocksize\n\nis false, i.e. it treats reallocationTableLen as a number of BYTES that\nmust fit in the block. But the table is walked as an array of 8-byte\nsparingEntry elements:\n\n\tfor (i = 0; i < le16_to_cpu(st->reallocationTableLen); i++) {\n\t\tstruct sparingEntry *entry = &st->mapEntry[i];\n\t\t... entry->origLocation ...\n\t}\n\nin udf_get_pblock_spar15() and udf_relocate_blocks(). A\nreallocationTableLen of N therefore passes the check whenever\nsizeof(*st) + N <= blocksize, yet the consumers index\nsizeof(*st) + N * sizeof(struct sparingEntry) bytes -- up to ~8x the\nblock. On a crafted UDF image this is an out-of-bounds read in\nudf_get_pblock_spar15(); udf_relocate_blocks() additionally feeds the\nsame length to udf_update_tag(), whose crc_itu_t() reads far past the\nblock, and its memmove() through st->mapEntry[] is an out-of-bounds\nwrite.\n\nValidate reallocationTableLen as the entry count it is, with\nstruct_size()."}], "cpeApplicability": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.10.261", "versionStartIncluding": "3.5"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.15.212", "versionStartIncluding": "3.5"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.1.178", "versionStartIncluding": "3.5"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.6.145", "versionStartIncluding": "3.5"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.12.96", "versionStartIncluding": "3.5"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.18.39", "versionStartIncluding": "3.5"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "7.1.4", "versionStartIncluding": "3.5"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "7.2", "versionStartIncluding": "3.5"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionStartIncluding": "2.6.32.60"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionStartIncluding": "2.6.34.14"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionStartIncluding": "3.0.37"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionStartIncluding": "3.2.23"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionStartIncluding": "3.4.5"}], "operator": "OR"}]}], "providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-17T04:53:23.900Z"}}}, "cveMetadata": {"cveId": "CVE-2026-64322", "state": "PUBLISHED", "dateUpdated": "2026-10-19T20:38:23.865Z", "dateReserved": "2026-07-19T15:36:31.780Z", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "datePublished": "2026-07-25T08:49:50.180Z", "assignerShortName": "Linux"}, "dataVersion": "5.2"}

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sparing table length as an entry count, not a byte count\n\nudf_load_sparable_map() accepts a sparing table when\n\n\tsizeof(*st) + le16_to_cpu(st->reallocationTableLen) > sb->s_blocksize\n\nis false, i.e. it treats reallocationTableLen as a number of BYTES that\nmust fit in the block. But the table is walked as an array of 8-byte\nsparingEntry elements:\n\n\tfor (i = 0; i < le16_to_cpu(st->reallocationTableLen); i++) {\n\t\tstruct sparingEntry *entry = &st->mapEntry[i];\n\t\t... entry->origLocation ...\n\t}\n\nin udf_get_pblock_spar15() and udf_relocate_blocks(). A\nreallocationTableLen of N therefore passes the check whenever\nsizeof(*st) + N <= blocksize, yet the consumers index\nsizeof(*st) + N * sizeof(struct sparingEntry) bytes -- up to ~8x the\nblock. On a crafted UDF image this is an out-of-bounds read in\nudf_get_pblock_spar15(); udf_relocate_blocks() additionally feeds the\nsame length to udf_update_tag(), whose crc_itu_t() reads far past the\nblock, and its memmove() through st->mapEntry[] is an out-of-bounds\nwrite.\n\nValidate reallocationTableLen as the entry count it is, with\nstruct_size()."}], "id": "CVE-2026-64322", "lastModified": "2026-10-19T21:17:31.887", "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": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-64322", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-10-16T15:39:07.495740Z", "version": "2.0.3"}}]}, "published": "2026-07-25T10:17:13.640", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/04f4599a9efb90992d072a814960edf0cd62805d"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/0a9b79a951cfd70a9d31ca01ae2d08a20bb730e9"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/2a219acb2ce674d99bbd1b7b35ed8c384dac7200"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/2d726135099313958f8975532a2e15322ff150ce"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/3ec997bd5508e9b25210b5bbec89031629cdb093"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/7285276aa50d2839afb5957ffd491ad282dc8f72"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/7f7774b9da0ef17b87bfa238cf966ad0b3376150"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/eeb0f3e193f8e523d03e4c9e084f6b4875f50e8e"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-787"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-787"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{"bugzilla": {"description": "kernel: udf: validate sparing table length as an entry count, not a byte count", "id": "2507249", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2507249"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.0", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-125", "details": ["A flaw was found in the Linux kernel's Universal Disk Format (UDF) filesystem. The udf_load_sparable_map() function incorrectly validates the length of the sparing table, treating it as a byte count instead of an entry count. This allows a local attacker, by providing a specially crafted UDF image, to trigger an out-of-bounds read and write. This can lead to memory corruption, potentially resulting in a denial of service or arbitrary code execution."], "name": "CVE-2026-64322", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"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": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "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": "2026-07-25T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-64322\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-64322\nhttps://lore.kernel.org/linux-cve-announce/2026072511-CVE-2026-64322-c496@gregkh/T"], "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[1df2ae31c724e57be9d7ac00d78db8a5dabdd050,eeb0f3e193f8e523d03e4c9e084f6b4875f50e8e)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[1df2ae31c724e57be9d7ac00d78db8a5dabdd050,0a9b79a951cfd70a9d31ca01ae2d08a20bb730e9)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[1df2ae31c724e57be9d7ac00d78db8a5dabdd050,2d726135099313958f8975532a2e15322ff150ce)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[1df2ae31c724e57be9d7ac00d78db8a5dabdd050,7285276aa50d2839afb5957ffd491ad282dc8f72)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[1df2ae31c724e57be9d7ac00d78db8a5dabdd050,2a219acb2ce674d99bbd1b7b35ed8c384dac7200)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[1df2ae31c724e57be9d7ac00d78db8a5dabdd050,04f4599a9efb90992d072a814960edf0cd62805d)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[1df2ae31c724e57be9d7ac00d78db8a5dabdd050,7f7774b9da0ef17b87bfa238cf966ad0b3376150)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[1df2ae31c724e57be9d7ac00d78db8a5dabdd050,3ec997bd5508e9b25210b5bbec89031629cdb093)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "e240873cb4a9fd18de60a817100a96fe670d4359"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "9ae30e324a96d0328a575329d7a95a09b3318601"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "b1c5701ad6b3e5d21d16f65475651cfaaa41e7aa"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "a9f1af04f086656246f30354fb4564ce3b08c4a0"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "4836ee563d65bb492f907cbe267a5761b9693e4d"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[2.6.32.60,2.6.33)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[2.6.34.14,2.6.35)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[3.0.37,3.1)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[3.2.23,3.3)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[3.4.5,3.5)"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "3.5"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,3.5)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[5.10.261,5.10.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[5.15.212,5.15.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[6.1.178,6.1.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[6.6.145,6.6.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[6.12.96,6.12.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[6.18.39,6.18.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.1.4,7.1.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.2-rc1,*]"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}], "created": "2026-07-25T13:00:05.594319+00:00", "updated": "2026-09-05T00:00:07.317876+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}