{"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":"2026-06-14T17:58:29.635Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-06-14T17:58:29.635Z"},"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","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"}]}]}],"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"}}}}