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-2026-89552",
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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": "2026-09-11T19:38:34.723Z",
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"datePublished": "2026-09-11T19:44:26.091Z",
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"dateUpdated": "2026-10-30T12:32:11.008Z"
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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": "2026-10-30T12:32:11.008Z"
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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\nparams: fix charp corruption on allocation failure\n\nparam_set_charp() stores charp parameters in allocated memory after slab is\navailable, and releases the previous value when the parameter is updated.\n\nThe previous value is released before the replacement allocation succeeds.\nIf kmalloc_parameter() fails, the setter returns -ENOMEM with the parameter\nleft as NULL.\n\nFailing zswap's compressor update before zswap is initialized can later\ntrigger:\n\n BUG: kernel NULL pointer dereference, address: 0000000000000000\n RIP: 0010:strcmp+0x10/0x30\n Call Trace:\n zswap_setup+0x3b1/0x490\n zswap_enabled_param_set+0x5b/0xa0\n param_attr_store+0x93/0xe0\n module_attr_store+0x1c/0x30\n kernfs_fop_write_iter+0x116/0x1f0\n\nAllocate and copy the replacement first, then replace the parameter value\nonly after allocation succeeds."
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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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"kernel/params.c"
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],
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"versions": [
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{
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"version": "e180a6b7759a99a28cbcce3547c4c80822cb6c2a",
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"lessThan": "72835d539ed3eb4c4b85b85a3f3976c7bdc70b91",
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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": "e180a6b7759a99a28cbcce3547c4c80822cb6c2a",
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"lessThan": "c7cc1edf3c0de948abcb3e4a44ee86a82403ce2f",
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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": "e180a6b7759a99a28cbcce3547c4c80822cb6c2a",
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"lessThan": "32c1f305cfad192cd98468140beedeffe4792f53",
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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": "e180a6b7759a99a28cbcce3547c4c80822cb6c2a",
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"lessThan": "31b41ea8383d51992d6b0dfe3a99da1dec8ce1c1",
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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": "e180a6b7759a99a28cbcce3547c4c80822cb6c2a",
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"lessThan": "614f873268c5b172804c9af6639bd17b7e1e2359",
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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": "e180a6b7759a99a28cbcce3547c4c80822cb6c2a",
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"lessThan": "704ecd010d4a9b33160e40b74eb402f6b86a18e0",
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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": "e180a6b7759a99a28cbcce3547c4c80822cb6c2a",
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"lessThan": "0d8e2404925a0607ffec79a53170715a46936896",
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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": "e180a6b7759a99a28cbcce3547c4c80822cb6c2a",
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"lessThan": "3dfaae04243cde460d82dfc2a7dd0bb6664d20ae",
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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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"kernel/params.c"
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],
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"versions": [
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{
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"version": "2.6.30",
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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": "2.6.30",
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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": "6.12.109",
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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": "6.18.50",
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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": "7.2.4",
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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": "2.6.30",
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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": "2.6.30",
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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": "2.6.30",
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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": "2.6.30",
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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": "2.6.30",
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"versionEndExcluding": "6.12.109"
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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": "2.6.30",
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"versionEndExcluding": "6.18.50"
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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": "2.6.30",
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"versionEndExcluding": "7.2.4"
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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": "2.6.30",
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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/72835d539ed3eb4c4b85b85a3f3976c7bdc70b91"
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},
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{
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"url": "https://git.kernel.org/stable/c/c7cc1edf3c0de948abcb3e4a44ee86a82403ce2f"
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},
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{
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"url": "https://git.kernel.org/stable/c/32c1f305cfad192cd98468140beedeffe4792f53"
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},
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{
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"url": "https://git.kernel.org/stable/c/31b41ea8383d51992d6b0dfe3a99da1dec8ce1c1"
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},
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{
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"url": "https://git.kernel.org/stable/c/614f873268c5b172804c9af6639bd17b7e1e2359"
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},
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{
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"url": "https://git.kernel.org/stable/c/704ecd010d4a9b33160e40b74eb402f6b86a18e0"
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},
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{
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"url": "https://git.kernel.org/stable/c/0d8e2404925a0607ffec79a53170715a46936896"
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},
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{
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"url": "https://git.kernel.org/stable/c/3dfaae04243cde460d82dfc2a7dd0bb6664d20ae"
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}
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],
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"title": "params: fix charp corruption on allocation failure",
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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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} |