248 lines
12 KiB
JSON
248 lines
12 KiB
JSON
{
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"dataType": "CVE_RECORD",
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"dataVersion": "5.2",
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"cveMetadata": {
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"cveId": "CVE-2026-98722",
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"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"state": "PUBLISHED",
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"assignerShortName": "Linux",
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"dateReserved": "2026-09-25T10:25:14.366Z",
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"datePublished": "2026-10-18T15:46:58.093Z",
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"dateUpdated": "2026-10-30T12:39:05.611Z"
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},
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"containers": {
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"cna": {
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"providerMetadata": {
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"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"shortName": "Linux",
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"dateUpdated": "2026-10-30T12:39:05.611Z"
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},
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"descriptions": [
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{
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"lang": "en",
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmtd: block2mtd: Fix divide error when erase_size is zero\n\nThe erase size is parsed from the \"block2mtd\" module parameter and can\nbe set to zero. add_device() then evaluates\n\n if (size % erase_size)\n\nwith a zero divisor, which triggers a divide error:\n\ndivide error: 0000 [#1] PREEMPT SMP PTI\nRIP: 0010:add_device drivers/mtd/devices/block2mtd.c:296 [inline]\nRIP: 0010:block2mtd_setup2+0x592/0xda0 drivers/mtd/devices/block2mtd.c:459\nCall Trace:\nblock2mtd_setup+0x27/0xe0 drivers/mtd/devices/block2mtd.c:476\nparam_attr_store+0x214/0x310 kernel/params.c:589\nmodule_attr_store+0x65/0x90 kernel/params.c:904\nkernfs_fop_write_iter+0x3a4/0x540 fs/kernfs/file.c:345\n...\n\nReject a zero erase size before performing the modulo operation so the\nexisting \"erasesize must be a divisor of device size\" error path\nreports the invalid argument and frees the device."
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}
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],
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"affected": [
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{
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"product": "Linux",
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"vendor": "Linux",
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"defaultStatus": "unaffected",
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"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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"programFiles": [
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"drivers/mtd/devices/block2mtd.c"
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],
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"versions": [
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{
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"version": "ea6d833a3fddcd1d60414d48f34c7f4fbe88608f",
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"lessThan": "c8004de07739fa9a39e310e859384f1458d7d076",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "ea6d833a3fddcd1d60414d48f34c7f4fbe88608f",
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"lessThan": "7ad5287e58d7aa1a848105f119e6c5b00446882f",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "ea6d833a3fddcd1d60414d48f34c7f4fbe88608f",
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"lessThan": "fd73c079abc58e10183a4db4dc9dc5012db17476",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "ea6d833a3fddcd1d60414d48f34c7f4fbe88608f",
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"lessThan": "bff83b723e93acc788bd690dc4bc1f6f4356c35b",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "ea6d833a3fddcd1d60414d48f34c7f4fbe88608f",
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"lessThan": "826170a49ca1315af6b293a02200585b1e2186d9",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "ea6d833a3fddcd1d60414d48f34c7f4fbe88608f",
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"lessThan": "a991c28066e7ba4da7450bb04478849f7ac6a14a",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "ea6d833a3fddcd1d60414d48f34c7f4fbe88608f",
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"lessThan": "21d0f05989bf0d5cef57b467a7fa4feefbd7236a",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "ea6d833a3fddcd1d60414d48f34c7f4fbe88608f",
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"lessThan": "b5965c4221165045e19736794ca5f48ae3d67142",
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"status": "affected",
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"versionType": "git"
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}
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]
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},
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{
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"product": "Linux",
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"vendor": "Linux",
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"defaultStatus": "affected",
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"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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"programFiles": [
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"drivers/mtd/devices/block2mtd.c"
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],
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"versions": [
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{
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"version": "3.15",
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"status": "affected"
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},
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{
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"version": "0",
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"lessThan": "3.15",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "5.10.273",
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"lessThanOrEqual": "5.10.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "5.15.224",
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"lessThanOrEqual": "5.15.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "6.1.191",
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"lessThanOrEqual": "6.1.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "6.6.160",
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"lessThanOrEqual": "6.6.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "6.12.113",
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"lessThanOrEqual": "6.12.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "6.18.56",
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"lessThanOrEqual": "6.18.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "7.2.10",
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"lessThanOrEqual": "7.2.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "7.3",
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"lessThanOrEqual": "*",
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"status": "unaffected",
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"versionType": "original_commit_for_fix"
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}
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]
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}
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],
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"cpeApplicability": [
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{
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"nodes": [
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{
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"operator": "OR",
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"negate": false,
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"cpeMatch": [
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "3.15",
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"versionEndExcluding": "5.10.273"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "3.15",
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"versionEndExcluding": "5.15.224"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "3.15",
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"versionEndExcluding": "6.1.191"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "3.15",
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"versionEndExcluding": "6.6.160"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "3.15",
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"versionEndExcluding": "6.12.113"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "3.15",
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"versionEndExcluding": "6.18.56"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "3.15",
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"versionEndExcluding": "7.2.10"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "3.15",
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"versionEndExcluding": "7.3"
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}
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]
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}
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]
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}
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],
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"references": [
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{
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"url": "https://git.kernel.org/stable/c/c8004de07739fa9a39e310e859384f1458d7d076"
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},
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{
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"url": "https://git.kernel.org/stable/c/7ad5287e58d7aa1a848105f119e6c5b00446882f"
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},
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{
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"url": "https://git.kernel.org/stable/c/fd73c079abc58e10183a4db4dc9dc5012db17476"
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},
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{
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"url": "https://git.kernel.org/stable/c/bff83b723e93acc788bd690dc4bc1f6f4356c35b"
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},
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{
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"url": "https://git.kernel.org/stable/c/826170a49ca1315af6b293a02200585b1e2186d9"
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},
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{
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"url": "https://git.kernel.org/stable/c/a991c28066e7ba4da7450bb04478849f7ac6a14a"
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},
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{
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"url": "https://git.kernel.org/stable/c/21d0f05989bf0d5cef57b467a7fa4feefbd7236a"
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},
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{
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"url": "https://git.kernel.org/stable/c/b5965c4221165045e19736794ca5f48ae3d67142"
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}
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],
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"title": "mtd: block2mtd: Fix divide error when erase_size is zero",
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"x_generator": {
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"engine": "bippy-1.2.0"
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}
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}
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}
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} |