CVE-2021-47082: Double Free

In the Linux kernel, the following vulnerability has been resolved: tun: avoid double free in tunfreenetdev Avoid double free in tunfreenetdev by moving the dev-tstats and tun-security allocs to a new ndoinit routine tunnetinit that will be called by registernetdevice. ndoinit is paired with the...

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

An update for kernel is now available for Red Hat Enterprise Linux 8.8 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...

kernel: tun: bugs for oversize packet when napi frags enabled in tun_napi_alloc_frags

An out-of-bounds memory access flaw was found in the Linux kernel’s TUN/TAP device driver functionality in how a user generates a malicious too big networking packet when napi frags is enabled. This flaw allows a local user to crash or potentially escalate their privileges on the system...

kernel: tun: bugs for oversize packet when napi frags enabled in tun_napi_alloc_frags

An out-of-bounds memory access flaw was found in the Linux kernel’s TUN/TAP device driver functionality in how a user generates a malicious too big networking packet when napi frags is enabled. This flaw allows a local user to crash or potentially escalate their privileges on the system...

kernel: tun: bugs for oversize packet when napi frags enabled in tun_napi_alloc_frags

An out-of-bounds memory access flaw was found in the Linux kernel’s TUN/TAP device driver functionality in how a user generates a malicious too big networking packet when napi frags is enabled. This flaw allows a local user to crash or potentially escalate their privileges on the system...

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

An update for kernel is now available for Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support, Red Hat Enterprise Linux 8.4 Telecommunications Update Service, and Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions. Red Hat Product Security has rated this update as...

kernel: tun: bugs for oversize packet when napi frags enabled in tun_napi_alloc_frags

An out-of-bounds memory access flaw was found in the Linux kernel’s TUN/TAP device driver functionality in how a user generates a malicious too big networking packet when napi frags is enabled. This flaw allows a local user to crash or potentially escalate their privileges on the system...

kernel: tun: bugs for oversize packet when napi frags enabled in tun_napi_alloc_frags

An out-of-bounds memory access flaw was found in the Linux kernel’s TUN/TAP device driver functionality in how a user generates a malicious too big networking packet when napi frags is enabled. This flaw allows a local user to crash or potentially escalate their privileges on the system...

kernel security update

5.14.0-362.18.0.13.OL9 - nfp: fix use-after-free in areacacheget Jialiang Wang CVE-2022-3545 - drivers: net: slip: fix NPD bug in sltxtimeout Duoming Zhou CVE-2022-41858 - can: afcan: fix NULL pointer dereference in canrcvfilter Oliver Hartkopp CVE-2023-2166 - RDMA/core: Fix resolvepreparesrc...

kernel: tun: bugs for oversize packet when napi frags enabled in tun_napi_alloc_frags

An out-of-bounds memory access flaw was found in the Linux kernel’s TUN/TAP device driver functionality in how a user generates a malicious too big networking packet when napi frags is enabled. This flaw allows a local user to crash or potentially escalate their privileges on the system...

Important: Red Hat Security Advisory: kernel security update

An update for kernel is now available for Red Hat Enterprise Linux 9. 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 each vulnerability from th...

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

An update for kernel is now available for Red Hat Enterprise Linux 8.6 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...

kernel: tun: bugs for oversize packet when napi frags enabled in tun_napi_alloc_frags

An out-of-bounds memory access flaw was found in the Linux kernel’s TUN/TAP device driver functionality in how a user generates a malicious too big networking packet when napi frags is enabled. This flaw allows a local user to crash or potentially escalate their privileges on the system...

RHEL 9 : kpatch-patch (RHSA-2024:0340)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2024:0340 advisory. This is a kernel live patch module which is automatically loaded by the RPM post-install script to modify the code of a running kernel...

kernel: tun: bugs for oversize packet when napi frags enabled in tun_napi_alloc_frags

An out-of-bounds memory access flaw was found in the Linux kernel’s TUN/TAP device driver functionality in how a user generates a malicious too big networking packet when napi frags is enabled. This flaw allows a local user to crash or potentially escalate their privileges on the system...

kernel: tun: bugs for oversize packet when napi frags enabled in tun_napi_alloc_frags

An out-of-bounds memory access flaw was found in the Linux kernel’s TUN/TAP device driver functionality in how a user generates a malicious too big networking packet when napi frags is enabled. This flaw allows a local user to crash or potentially escalate their privileges on the system...

EulerOS Virtualization 2.11.0 : kernel (EulerOS-SA-2023-2755)

According to the versions of the kernel packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : The Linux kernel before 6.2.9 has a race condition and resultant use-after-free in drivers/net/ethernet/qualcomm/emac/emac.c if a...

EulerOS 2.0 SP11 : kernel (EulerOS-SA-2023-3033)

According to the versions of the kernel packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : Improper access control in the IntelR Ethernet Controller RDMA driver for linux before version 1.9.30 may allow an unauthenticated user to...

EulerOS 2.0 SP10 : kernel (EulerOS-SA-2023-3182)

According to the versions of the kernel packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : An array indexing vulnerability was found in the netfilter subsystem of the Linux kernel. A missing macro could lead to a miscalculation of the...

EulerOS Virtualization 2.11.0 : kernel (EulerOS-SA-2023-3378)

According to the versions of the kernel packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : Improper access control in the IntelR Ethernet Controller RDMA driver for linux before version 1.9.30 may allow an unauthenticated...