CVE-2026-53132 | In the Linux kernel, the following vulnerability has been re…

Description

In the Linux kernel, the following vulnerability has been resolved: vsock/virtio: fix potential unbounded skb queue virtio_transport_inc_rx_pkt() checks vvs->rx_bytes + len > vvs->buf_alloc. virtio_transport_recv_enqueue() skips coalescing for packets with VIRTIO_VSOCK_SEQ_EOM. If fed with packets with len == 0 and VIRTIO_VSOCK_SEQ_EOM, a very large number of packets can be queued because vvs->rx_bytes stays at 0. Fix this by estimating the skb metadata size: (Number of skbs in the queue) * SKB_TRUESIZE(0)

Metadata

CVE ID: CVE-2026-53132
State: PUBLISHED
Assigner: Linux
Reserved: 2026-06-09 07:44 UTC
Published: 2026-06-25 08:38 UTC
Last updated: 2026-06-25 08:38 UTC
Vendor / Product: Linux / Linux
Sources: cve.org · NVD

Severity & Metrics

No CVSS data available.

Affected products (2)

Vendor	Product	Platform	Versions
Linux	Linux	—	077706165717686a2a6a71405fef036cd5b37ae0 < 1eca304f97a34ed5e921e1f0e06c8b241f25bf12, 077706165717686a2a6a71405fef036cd5b37ae0 < 9bdc637fde66b63d6cad0caacd034888bb7bf5f5, 077706165717686a2a6a71405fef036cd5b37ae0 < 100d5b2ffdc6468b9e48532641f29e83efdcb63c, 077706165717686a2a6a71405fef036cd5b37ae0 < 059b7dbd20a6f0c539a45ddff1573cb8946685b5 …
Linux	Linux	—	6.3, 0 < 6.3, 6.12.94 ≤ 6.12., 6.18.36 ≤ 6.18. …

References (4)