Unity Linux 20.1070e Security Update: kernel (UTSA-2026-000482)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-000482 advisory. An issue was discovered in the Linux kernel before 5.4.7. The prbcalcretireblktmo function in net/packet/afpacket.c can result in a denial of service CPU consumption...

EUVD-2019-11349

Malware in sbrugna...

Denial Of Service (DoS)

linux is vulnerable to denial of service DoS. The vulnerability exists as the prbcalcretireblktmo function in net/packet/afpacket.c through parsing TPACKETV3...

Oracle Linux 6 / 7 : Unbreakable Enterprise kernel (ELSA-2020-5841)

The remote Oracle Linux 6 / 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2020-5841 advisory. - sunrpc: use SVCNET in svcauthgss functions Vasily Averin Orabug: 31351996 CVE-2018-16884 - sunrpc: use-after-free in svcprocesscommon Vasily Aver...

CVE-2019-20812

An issue was discovered in the Linux kernel before 5.4.7. The prbcalcretireblktmo function in net/packet/afpacket.c can result in a denial of service CPU consumption and soft lockup in a certain failure case involving TPACKETV3, aka CID-b43d1f9f7067...

Design/Logic Flaw

An issue was discovered in the Linux kernel before 5.4.7. The prbcalcretireblktmo function in net/packet/afpacket.c can result in a denial of service CPU consumption and soft lockup in a certain failure case involving TPACKETV3, aka CID-b43d1f9f7067...

CVE-2019-20812

An issue was discovered in the Linux kernel before 5.4.7. The prbcalcretireblktmo function in net/packet/afpacket.c can result in a denial of service CPU consumption and soft lockup in a certain failure case involving TPACKETV3, aka CID-b43d1f9f7067...

CVE-2016-8655

A race condition issue leading to a use-after-free flaw was found in the way the raw packet sockets implementation in the Linux kernel networking subsystem handled synchronization while creating the TPACKETV3 ring buffer. A local user able to open a raw packet socket requires the CAPNETRAW...

Use-After-Free

Linux kernel is vulnerable to privilege escalation. A race condition issue leading to a use-after-free flaw was found in the way the raw packet sockets implementation in the Linux kernel networking subsystem handled synchronization while creating the TPACKETV3 ring buffer. A local user able to op...

Exploiting the Linux kernel via packet sockets

Guest blog post, posted by Andrey Konovalov Introduction Lately I’ve been spending some time fuzzing network-related Linux kernel interfaces with syzkaller. Besides the recently discovered vulnerability in DCCP sockets, I also found another one, this time in packet sockets. This post describes ho...

Linux af_packet.c race condition (local root) (CVE-2016-8655)

To create AFPACKET sockets you need CAPNETRAW in your network namespace, which can be acquired by unprivileged processes on systems where unprivileged namespaces are enabled Ubuntu, Fedora, etc. It can be triggered from within containers to compromise the host kernel. On Android, processes with...