kernel: memory corruption in net/packet/af_packet.c leads to elevation of privilege

A flaw was found in the Linux kernel. Memory corruption can be exploited to gain root privileges from unprivileged processes. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability...

kernel: af_packet: TPACKET_V3: invalid timer timeout on error

A flaw was found in the way the afpacket functionality in the Linux kernel handled the retirement timer setting for TPACKETv3 when getting settings from the underlying network device errors out. This flaw allows a local user who can open the afpacket domain socket and who can hit the error path, ...

Debian DLA-2420-2 : linux regression update

This update corrects a regression in some Xen virtual machine environments. For reference the original advisory text follows. Several vulnerabilities have been discovered in the Linux kernel that may lead to the execution of arbitrary code, privilege escalation, denial of service or information...

kernel: memory corruption in net/packet/af_packet.c leads to elevation of privilege

A flaw was found in the Linux kernel. Memory corruption can be exploited to gain root privileges from unprivileged processes. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability...

LSN-0072-1: Kernel Live Patch Security Notice

It was discovered that the F2FS file system implementation in the Linux kernel did not properly perform bounds checking on xattrs in some situations. A local attacker could possibly use this to expose sensitive information kernel memory. CVE-2020-0067 It was discovered that the Serial CAN interfa...

LSN-0072-1 Kernel Live Patch Security Notice

It was discovered that the F2FS file system implementation in the Linux kernel did not properly perform bounds checking on xattrs in some situations. A local attacker could possibly use this to expose sensitive information kernel memory. CVE-2020-0067 It was discovered that the Serial CAN interfa...

USN-4489-1: Linux kernel vulnerability | Cloud Foundry

Severity High Vendor Canonical Ubuntu Versions Affected Canonical Ubuntu 16.04 Description Or Cohen discovered that the AFPACKET implementation in the Linux kernel did not properly perform bounds checking in some situations. A local attacker could use this to cause a denial of service system cras...

Microsoft Azure Sphere Normal World application PACKET_MMAP unsigned code execution vulnerability

Talos Vulnerability Report TALOS-2020-1134 Microsoft Azure Sphere Normal World application PACKETMMAP unsigned code execution vulnerability September 23, 2020 CVE Number None SUMMARY A code execution vulnerability exists in the normal world’s signed code execution functionality of Microsoft Azure...

openSUSE: Security Advisory for the (openSUSE-SU-2020:1382-1)

The remote host is missing an update for the Copyright C 2020 Greenbone Networks GmbH Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-or-later This program is free software; you can...

openSUSE Security Update : the Linux Kernel (openSUSE-2020-1382)

The openSUSE Leap 15.2 kernel was updated to receive various security and bugfixes. The following security bugs were fixed : - CVE-2020-14314: Fixed potential negative array index in dosplit in ext4 bsc1173798. - CVE-2020-14386: Fixed an overflow in afpacket, which could lead to local privilege...

Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS : Linux kernel vulnerability (USN-4489-1)

The remote Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS host has a package installed that is affected by a vulnerability as referenced in the USN-4489-1 advisory. Or Cohen discovered that the AFPACKET implementation in the Linux kernel did not properly perform bounds checking in some situations. A...

USN-4489-1: Linux kernel vulnerability

Or Cohen discovered that the AFPACKET implementation in the Linux kernel did not properly perform bounds checking in some situations. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary code...

openSUSE: Security Advisory for the (openSUSE-SU-2020:1379-1)

The remote host is missing an update for the Copyright C 2020 Greenbone Networks GmbH Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-or-later This program is free software; you can...

FastNetMon Community - Very Fast DDoS Analyzer With Sflow/Netflow/Mirror Support

FastNetMon - A high performance DoS/DDoS load analyzer built on top of multiple packet capture engines NetFlow, IPFIX, sFlow, AFPACKET, SnabbSwitch, netmap, PFRING obsoleted, PCAP. What do we do? We detect hosts in the deployed network sending or receiving large volumes of traffic,...

Vulnerability of the prb_calc_retire_blk_tmo() function (net/packet/af_packet.c) in the Linux kernel, allowing a hacker to cause a service failure

The vulnerability of the prbcalcretireblktmo function net/packet/afpacket.c in the Linux kernel involves an uncontrolled consumption of resources. Exploiting this vulnerability could allow an attacker to cause a service failure...

CVE-2019-20812

A flaw was found in the way the afpacket functionality in the Linux kernel handled the retirement timer setting for TPACKETv3 when getting settings from the underlying network device errors out. This flaw allows a local user who can open the afpacket domain socket and who can hit the error path, ...

DEBIAN-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-2018-18559

A use-after-free flaw can occur in the Linux kernel due to a race condition between packetdobind and packetnotifier functions called for an AFPACKET socket. An unprivileged, local user could use this flaw to induce kernel memory corruption on the system, leading to an unresponsive system or to a...

Important: Red Hat Security Advisory: kernel security and bug fix update

An update for kernel is now available for Red Hat Enterprise Linux 7.5 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for...

F5 Networks BIG-IP : Linux kernel vulnerability (K28241423)

In the Linux kernel through 4.19, a use-after-free can occur due to a race condition between fanoutadd from setsockopt and bind on an AFPACKET socket. This issue exists because of the 15fe076edea787807a7cdc168df832544b58eba6 incomplete fix for a race condition. The code mishandles a certain...