{"id":"CVE-2026-99047","state":"PUBLISHED","title":"gve: fix XSK buffer leak when rings are stopped","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ngve: fix XSK buffer leak when rings are stopped\n\nGVE does not free XSK buffers when resetting ring state as a part of\nstopping queues. This causes all XSK buffers which are posted to the\nNIC to be leaked.\n\nFree XSK buffers attached to an allocated buf_state when stopping rings.\n\nThis issue was hit in production.","publishedAt":"2026-10-23T12:22:12.104Z","updatedAt":"2026-10-23T12:22:12.104Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"c1fffc5d66a7147d557736c2341a511e0896d9ff","status":"affected","lessThan":"506f9de069d07a72b9887ce3edd2fdf32f4953aa","versionType":"git"},{"version":"c1fffc5d66a7147d557736c2341a511e0896d9ff","status":"affected","lessThan":"7a7e6bbbf0586c1f62f0cc7d9a2877d8a5e5aaf7","versionType":"git"},{"version":"c1fffc5d66a7147d557736c2341a511e0896d9ff","status":"affected","lessThan":"73670ddb91a4d22e1deb3efd962242de1ec48e90","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/google/gve/gve_rx_dqo.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.17","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.17","versionType":"semver"},{"version":"6.18.57","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.11","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/google/gve/gve_rx_dqo.c"]}],"references":["https://git.kernel.org/stable/c/506f9de069d07a72b9887ce3edd2fdf32f4953aa","https://git.kernel.org/stable/c/7a7e6bbbf0586c1f62f0cc7d9a2877d8a5e5aaf7","https://git.kernel.org/stable/c/73670ddb91a4d22e1deb3efd962242de1ec48e90"],"weaknesses":[],"ingestedAt":"2026-10-29T20:13:43.249Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/99xxx/CVE-2026-99047.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-99047","state":"PUBLISHED","datePublished":"2026-10-23T12:22:12.104Z","dateUpdated":"2026-10-23T12:22:12.104Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-09-25T10:25:14.388Z"},"containers":{"cna":{"title":"gve: fix XSK buffer leak when rings are stopped","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ngve: fix XSK buffer leak when rings are stopped\n\nGVE does not free XSK buffers when resetting ring state as a part of\nstopping queues. This causes all XSK buffers which are posted to the\nNIC to be leaked.\n\nFree XSK buffers attached to an allocated buf_state when stopping rings.\n\nThis issue was hit in production."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"c1fffc5d66a7147d557736c2341a511e0896d9ff","status":"affected","lessThan":"506f9de069d07a72b9887ce3edd2fdf32f4953aa","versionType":"git"},{"version":"c1fffc5d66a7147d557736c2341a511e0896d9ff","status":"affected","lessThan":"7a7e6bbbf0586c1f62f0cc7d9a2877d8a5e5aaf7","versionType":"git"},{"version":"c1fffc5d66a7147d557736c2341a511e0896d9ff","status":"affected","lessThan":"73670ddb91a4d22e1deb3efd962242de1ec48e90","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/google/gve/gve_rx_dqo.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.17","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.17","versionType":"semver"},{"version":"6.18.57","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.11","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/google/gve/gve_rx_dqo.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/506f9de069d07a72b9887ce3edd2fdf32f4953aa"},{"url":"https://git.kernel.org/stable/c/7a7e6bbbf0586c1f62f0cc7d9a2877d8a5e5aaf7"},{"url":"https://git.kernel.org/stable/c/73670ddb91a4d22e1deb3efd962242de1ec48e90"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-10-23T12:22:12.104Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.17","versionEndExcluding":"6.18.57"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.17","versionEndExcluding":"7.2.11"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.17","versionEndExcluding":"7.3"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}