{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-46153", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-05-13T15:03:33.101Z", "datePublished": "2026-05-28T09:36:09.415Z", "dateUpdated": "2026-05-28T09:36:09.415Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-28T09:36:09.415Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\n8021q: delete cleared egress QoS mappings\n\nvlan_dev_set_egress_priority() currently keeps cleared egress\npriority mappings in the hash as tombstones. Repeated set/clear cycles\nwith distinct skb priorities therefore accumulate mapping nodes until\ndevice teardown and leak memory.\n\nDelete mappings when vlan_prio is cleared instead of keeping tombstones.\nNow that the egress mapping lists are RCU protected, the node can be\nunlinked safely and freed after a grace period."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/8021q/vlan_dev.c", "net/8021q/vlan_netlink.c"], "versions": [{"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "a52e122c9e4d56ad9a03b32c915a199276d989c3", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "7dddc74af369478ba7f9bc136d0fc1dc4570cb66", "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/8021q/vlan_dev.c", "net/8021q/vlan_netlink.c"], "versions": [{"version": "2.6.12", "status": "affected"}, {"version": "0", "lessThan": "2.6.12", "status": "unaffected", "versionType": "semver"}, {"version": "7.0.7", "lessThanOrEqual": "7.0.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1-rc1", "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": "2.6.12", "versionEndExcluding": "7.0.7"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.12", "versionEndExcluding": "7.1-rc1"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/a52e122c9e4d56ad9a03b32c915a199276d989c3"}, {"url": "https://git.kernel.org/stable/c/7dddc74af369478ba7f9bc136d0fc1dc4570cb66"}], "title": "8021q: delete cleared egress QoS mappings", "x_generator": {"engine": "bippy-1.2.0"}}}}