{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2025-21874", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-12-29T08:45:45.781Z", "datePublished": "2025-03-27T14:57:05.496Z", "dateUpdated": "2026-05-11T21:08:11.622Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T21:08:11.622Z" }, "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndm-integrity: Avoid divide by zero in table status in Inline mode\n\nIn Inline mode, the journal is unused, and journal_sectors is zero.\n\nCalculating the journal watermark requires dividing by journal_sectors,\nwhich should be done only if the journal is configured.\n\nOtherwise, a simple table query (dmsetup table) can cause OOPS.\n\nThis bug did not show on some systems, perhaps only due to\ncompiler optimization.\n\nOn my 32-bit testing machine, this reliably crashes with the following:\n\n : Oops: divide error: 0000 [#1] PREEMPT SMP\n : CPU: 0 UID: 0 PID: 2450 Comm: dmsetup Not tainted 6.14.0-rc2+ #959\n : EIP: dm_integrity_status+0x2f8/0xab0 [dm_integrity]\n ..." } ], "affected": [ { "product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "drivers/md/dm-integrity.c" ], "versions": [ { "version": "fb0987682c629c1d2c476f35f6fde405a5e304a4", "lessThan": "22c6f577b3cb184857b440ae5e5916f6c9e7021d", "status": "affected", "versionType": "git" }, { "version": "fb0987682c629c1d2c476f35f6fde405a5e304a4", "lessThan": "06d9895f265282e939a8933bb18de82eba2b4dda", "status": "affected", "versionType": "git" }, { "version": "fb0987682c629c1d2c476f35f6fde405a5e304a4", "lessThan": "7fb39882b20c98a9a393c244c86b56ef6933cff8", "status": "affected", "versionType": "git" } ] }, { "product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "drivers/md/dm-integrity.c" ], "versions": [ { "version": "6.11", "status": "affected" }, { "version": "0", "lessThan": "6.11", "status": "unaffected", "versionType": "semver" }, { "version": "6.12.18", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.13.6", "lessThanOrEqual": "6.13.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.14", "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": "6.11", "versionEndExcluding": "6.12.18" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.11", "versionEndExcluding": "6.13.6" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.11", "versionEndExcluding": "6.14" } ] } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/22c6f577b3cb184857b440ae5e5916f6c9e7021d" }, { "url": "https://git.kernel.org/stable/c/06d9895f265282e939a8933bb18de82eba2b4dda" }, { "url": "https://git.kernel.org/stable/c/7fb39882b20c98a9a393c244c86b56ef6933cff8" } ], "title": "dm-integrity: Avoid divide by zero in table status in Inline mode", "x_generator": { "engine": "bippy-1.2.0" } } } }