CVE-2026-90135

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-90135", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-09-11T19:38:34.788Z", "datePublished": "2026-09-17T16:06:34.543Z", "dateUpdated": "2026-10-30T12:34:18.512Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-30T12:34:18.512Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: add missing ref_tracker_dir_exit() to alloc_netdev_mqs()\n\nsashiko is reporting that trying to read /sys/kernel/debug/ref_tracker/*\ncauses use-afer-free crash when either alloc_percpu() or dev_addr_init()\nin alloc_netdev_mqs() failed, for commit 4d92b95ff2f9 (\"net: add net device\nrefcount tracker infrastructure\") added ref_tracker_dir_exit() to only\nfree_netdev() path."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/core/dev.c"], "versions": [{"version": "4d92b95ff2f95f13df9bad0b5a25a9f60e72758d", "lessThan": "b0859020cab4ea6101478141aeec1b052ed80bdd", "status": "affected", "versionType": "git"}, {"version": "4d92b95ff2f95f13df9bad0b5a25a9f60e72758d", "lessThan": "45be87c5195f34c0a51598bc91186f600be5c4c9", "status": "affected", "versionType": "git"}, {"version": "4d92b95ff2f95f13df9bad0b5a25a9f60e72758d", "lessThan": "2775bf36be7872834a7f8c0a0d9681a1a3e1cd4c", "status": "affected", "versionType": "git"}, {"version": "4d92b95ff2f95f13df9bad0b5a25a9f60e72758d", "lessThan": "5fe03b5257095e2beef0bc79e1f068fbd09a24c7", "status": "affected", "versionType": "git"}, {"version": "4d92b95ff2f95f13df9bad0b5a25a9f60e72758d", "lessThan": "63ab05e8f9654aa100d366c0236399fda6ffaab1", "status": "affected", "versionType": "git"}, {"version": "4d92b95ff2f95f13df9bad0b5a25a9f60e72758d", "lessThan": "0b1c2af8a22c35cb099c735c2f63ea3ba757557d", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/core/dev.c"], "versions": [{"version": "5.17", "status": "affected"}, {"version": "0", "lessThan": "5.17", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.191", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.160", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.110", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.52", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2.6", "lessThanOrEqual": "7.2.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.3", "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": "5.17", "versionEndExcluding": "6.1.191"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.17", "versionEndExcluding": "6.6.160"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.17", "versionEndExcluding": "6.12.110"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.17", "versionEndExcluding": "6.18.52"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.17", "versionEndExcluding": "7.2.6"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.17", "versionEndExcluding": "7.3"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/b0859020cab4ea6101478141aeec1b052ed80bdd"}, {"url": "https://git.kernel.org/stable/c/45be87c5195f34c0a51598bc91186f600be5c4c9"}, {"url": "https://git.kernel.org/stable/c/2775bf36be7872834a7f8c0a0d9681a1a3e1cd4c"}, {"url": "https://git.kernel.org/stable/c/5fe03b5257095e2beef0bc79e1f068fbd09a24c7"}, {"url": "https://git.kernel.org/stable/c/63ab05e8f9654aa100d366c0236399fda6ffaab1"}, {"url": "https://git.kernel.org/stable/c/0b1c2af8a22c35cb099c735c2f63ea3ba757557d"}], "title": "net: add missing ref_tracker_dir_exit() to alloc_netdev_mqs()", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["net/core/dev.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "b0859020cab4ea6101478141aeec1b052ed80bdd", "status": "affected", "version": "4d92b95ff2f95f13df9bad0b5a25a9f60e72758d", "versionType": "git"}, {"lessThan": "45be87c5195f34c0a51598bc91186f600be5c4c9", "status": "affected", "version": "4d92b95ff2f95f13df9bad0b5a25a9f60e72758d", "versionType": "git"}, {"lessThan": "2775bf36be7872834a7f8c0a0d9681a1a3e1cd4c", "status": "affected", "version": "4d92b95ff2f95f13df9bad0b5a25a9f60e72758d", "versionType": "git"}, {"lessThan": "5fe03b5257095e2beef0bc79e1f068fbd09a24c7", "status": "affected", "version": "4d92b95ff2f95f13df9bad0b5a25a9f60e72758d", "versionType": "git"}, {"lessThan": "63ab05e8f9654aa100d366c0236399fda6ffaab1", "status": "affected", "version": "4d92b95ff2f95f13df9bad0b5a25a9f60e72758d", "versionType": "git"}, {"lessThan": "0b1c2af8a22c35cb099c735c2f63ea3ba757557d", "status": "affected", "version": "4d92b95ff2f95f13df9bad0b5a25a9f60e72758d", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["net/core/dev.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "5.17"}, {"lessThan": "5.17", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.1.*", "status": "unaffected", "version": "6.1.191", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.160", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.110", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.52", "versionType": "semver"}, {"lessThanOrEqual": "7.2.*", "status": "unaffected", "version": "7.2.6", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.3", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: add missing ref_tracker_dir_exit() to alloc_netdev_mqs()\n\nsashiko is reporting that trying to read /sys/kernel/debug/ref_tracker/*\ncauses use-afer-free crash when either alloc_percpu() or dev_addr_init()\nin alloc_netdev_mqs() failed, for commit 4d92b95ff2f9 (\"net: add net device\nrefcount tracker infrastructure\") added ref_tracker_dir_exit() to only\nfree_netdev() path."}], "id": "CVE-2026-90135", "lastModified": "2026-10-30T13:20:42.770", "metrics": {}, "published": "2026-09-17T17:17:06.053", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/0b1c2af8a22c35cb099c735c2f63ea3ba757557d"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/2775bf36be7872834a7f8c0a0d9681a1a3e1cd4c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/45be87c5195f34c0a51598bc91186f600be5c4c9"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/5fe03b5257095e2beef0bc79e1f068fbd09a24c7"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/63ab05e8f9654aa100d366c0236399fda6ffaab1"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/b0859020cab4ea6101478141aeec1b052ed80bdd"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[4d92b95ff2f95f13df9bad0b5a25a9f60e72758d,2775bf36be7872834a7f8c0a0d9681a1a3e1cd4c)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[4d92b95ff2f95f13df9bad0b5a25a9f60e72758d,5fe03b5257095e2beef0bc79e1f068fbd09a24c7)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[4d92b95ff2f95f13df9bad0b5a25a9f60e72758d,63ab05e8f9654aa100d366c0236399fda6ffaab1)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[4d92b95ff2f95f13df9bad0b5a25a9f60e72758d,0b1c2af8a22c35cb099c735c2f63ea3ba757557d)"}}], "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": "generic", "value": "5.17"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,5.17)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.12.110,6.13.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.52,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.2.6,7.3.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.3-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": "2026-09-18T16:15:10.597742+00:00", "updated": "2026-09-18T22:30:15.639847+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"], "weaknesses": ["CWE-416"]}