{"uuid": "cbf024f8-b304-44fc-90b2-7c3d121b7693", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "2a075640-a300-48a4-bb44-bc6130783b9b", "vulnerability": "CVE-2025-21669", "type": "seen", "source": "https://t.me/DarkWebInformer_CVEAlerts/3659", "content": "\ud83d\udd17 DarkWebInformer.com - Cyber Threat Intelligence\n\ud83d\udccc CVE ID: CVE-2025-21669\n\ud83d\udd25 CVSS Score: N/A\n\ud83d\udd39 Description: In the Linux kernel, the following vulnerability has been resolved:\n\nvsock/virtio: discard packets if the transport changes\n\nIf the socket has been de-assigned or assigned to another transport,\nwe must discard any packets received because they are not expected\nand would cause issues when we access vsk->transport.\n\nA possible scenario is described by Hyunwoo Kim in the attached link,\nwhere after a first connect() interrupted by a signal, and a second\nconnect() failed, we can find `vsk->transport` at NULL, leading to a\nNULL pointer dereference.\n\ud83d\udccf Published: 2025-01-31T12:33:02Z\n\ud83d\udccf Modified: 2025-01-31T12:33:02Z\n\ud83d\udd17 References:\n1. https://nvd.nist.gov/vuln/detail/CVE-2025-21669\n2. https://git.kernel.org/stable/c/2cb7c756f605ec02ffe562fb26828e4bcc5fdfc1\n3. https://git.kernel.org/stable/c/6486915fa661584d70e8e7e4068c6c075c67dd6d\n4. https://git.kernel.org/stable/c/677579b641af109613564460a4e3bdcb16850b61\n5. https://git.kernel.org/stable/c/88244163bc7e7b0ce9dd7bf4c8a563b41525c3ee\n6. https://git.kernel.org/stable/c/d88b249e14bd0ee1e46bbe4f456e22e01b8c68de", "creation_timestamp": "2025-01-31T13:15:15.000000Z"}