{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-53323", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-06-09T07:44:35.398Z", "datePublished": "2026-06-26T19:41:13.926Z", "dateUpdated": "2026-06-26T19:41:13.926Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-06-26T19:41:13.926Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: dsa: remove redundant netdev_lock_ops() from conduit ethtool ops\n\nDSA replaces the conduit (master) device's ethtool_ops with its own\nwrappers that aggregate stats from both the conduit and DSA switch\nports. Taking the lock again inside the DSA wrappers causes a deadlock.\n\nStumbled upon this when booting qemu with fbnic and CONFIG_NET_DSA_LOOP=y\n(which looks like some kind of testing device that auto-populates the ports\nof eth0). `ethtool -i` is enough to deadlock. This means we have basically zero\ncoverage for DSA stuff with real ops locked devs.\n\nRemove the redundant netdev_lock_ops()/netdev_unlock_ops() calls from\nthe DSA conduit ethtool wrappers."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/dsa/conduit.c"], "versions": [{"version": "2bcf4772e45adb00649a4e9cbff14b08a144f9e3", "lessThan": "74d64ae4254e99ef8c8215b057a76edac82c5f99", "status": "affected", "versionType": "git"}, {"version": "2bcf4772e45adb00649a4e9cbff14b08a144f9e3", "lessThan": "abe91fd045874d21834482adcd7a9693e7377056", "status": "affected", "versionType": "git"}, {"version": "2bcf4772e45adb00649a4e9cbff14b08a144f9e3", "lessThan": "0f99e0c3e19badaf3fdced0d3feba623e59eed41", "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/dsa/conduit.c"], "versions": [{"version": "6.15", "status": "affected"}, {"version": "0", "lessThan": "6.15", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.33", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.0.10", "lessThanOrEqual": "7.0.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1", "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": "6.15", "versionEndExcluding": "6.18.33"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.15", "versionEndExcluding": "7.0.10"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.15", "versionEndExcluding": "7.1"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/74d64ae4254e99ef8c8215b057a76edac82c5f99"}, {"url": "https://git.kernel.org/stable/c/abe91fd045874d21834482adcd7a9693e7377056"}, {"url": "https://git.kernel.org/stable/c/0f99e0c3e19badaf3fdced0d3feba623e59eed41"}], "title": "net: dsa: remove redundant netdev_lock_ops() from conduit ethtool ops", "x_generator": {"engine": "bippy-1.2.0"}}}}

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