{"cve":"CVE-2026-53132","nvd":{"published":"2026-06-25T09:16:30.437","modified":"2026-10-19T20:19:04.973","status":"Modified","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nvsock/virtio: fix potential unbounded skb queue\n\nvirtio_transport_inc_rx_pkt() checks vvs->rx_bytes + len > vvs->buf_alloc.\n\nvirtio_transport_recv_enqueue() skips coalescing for packets\nwith VIRTIO_VSOCK_SEQ_EOM.\n\nIf fed with packets with len == 0 and VIRTIO_VSOCK_SEQ_EOM,\na very large number of packets can be queued\nbecause vvs->rx_bytes stays at 0.\n\nFix this by estimating the skb metadata size:\n\n\t(Number of skbs in the queue) * SKB_TRUESIZE(0)","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H","score":7.1},"cwes":["CWE-401","CWE-400"],"references":["https://git.kernel.org/stable/c/059b7dbd20a6f0c539a45ddff1573cb8946685b5","https://git.kernel.org/stable/c/100d5b2ffdc6468b9e48532641f29e83efdcb63c","https://git.kernel.org/stable/c/1eca304f97a34ed5e921e1f0e06c8b241f25bf12","https://git.kernel.org/stable/c/9bdc637fde66b63d6cad0caacd034888bb7bf5f5"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-21T03:43:09.190223697+00:00"},"epss":{"cve":"CVE-2026-53132","score":0.00139,"percentile":0.03218,"date":"2026-10-25"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}