CVE-2026-43283

In the Linux kernel, the following vulnerability has been resolved: net: ethernet: ecbhf: Fix dmafreecoherent dma handle dmafreecoherent in error path takes priv-rxbuf.alloclen as the dma handle. This would lead to improper unmapping of the buffer. Change the dma handle to priv-rxbuf.allocphys...

CVE-2026-43283

The CVE-2026-43283 issue is in the Linux kernel's ec_bhf Ethernet driver where error-path handling used priv->rx_buf.alloc_len as the DMA handle in dma_free_coherent(), risking improper unmapping and potential memory corruption or DoS. The fix changes the DMA handle to priv->rx_buf.alloc_ph...

CVE-2026-43283 net: ethernet: ec_bhf: Fix dma_free_coherent() dma handle

In the Linux kernel, the following vulnerability has been resolved: net: ethernet: ecbhf: Fix dmafreecoherent dma handle dmafreecoherent in error path takes priv-rxbuf.alloclen as the dma handle. This would lead to improper unmapping of the buffer. Change the dma handle to priv-rxbuf.allocphys...

CVE-2026-43283 net: ethernet: ec_bhf: Fix dma_free_coherent() dma handle

In the Linux kernel, the following vulnerability has been resolved: net: ethernet: ecbhf: Fix dmafreecoherent dma handle dmafreecoherent in error path takes priv-rxbuf.alloclen as the dma handle. This would lead to improper unmapping of the buffer. Change the dma handle to priv-rxbuf.allocphys...

CVE-2026-43283

In the Linux kernel, the following vulnerability has been resolved: net: ethernet: ecbhf: Fix dmafreecoherent dma handle dmafreecoherent in error path takes priv-rxbuf.alloclen as the dma handle. This would lead to improper unmapping of the buffer. Change the dma handle to priv-rxbuf.allocphys...

CVE-2026-43173 net: ethernet: xscale: Check for PTP support properly

In the Linux kernel, the following vulnerability has been resolved: net: ethernet: xscale: Check for PTP support properly In ixp4xxgettsinfo ixp46xptpfind is called unconditionally despite this feature only existing on ixp46x, leading to the following splat from tcpdump: root@OpenWrt: tcpdump -vv...

CVE-2026-43173

In the Linux kernel, the following vulnerability has been resolved: net: ethernet: xscale: Check for PTP support properly In ixp4xxgettsinfo ixp46xptpfind is called unconditionally despite this feature only existing on ixp46x, leading to the following splat from tcpdump: root@OpenWrt: tcpdump -vv...

CVE-2026-43103

In the Linux kernel, the following vulnerability has been resolved: net: lapbether: handle NETDEVPRETYPECHANGE lapbethdatatransmit expects the underlying device type to be ARPHRDETHER. Returning NOTIFYBAD from lapbethdeviceevent makes sure bonding driver can not break this expectation...

CVE-2026-43103 net: lapbether: handle NETDEV_PRE_TYPE_CHANGE

In the Linux kernel, the following vulnerability has been resolved: net: lapbether: handle NETDEVPRETYPECHANGE lapbethdatatransmit expects the underlying device type to be ARPHRDETHER. Returning NOTIFYBAD from lapbethdeviceevent makes sure bonding driver can not break this expectation...

CVE-2026-43103

In the Linux kernel, the following vulnerability has been resolved: net: lapbether: handle NETDEVPRETYPECHANGE lapbethdatatransmit expects the underlying device type to be ARPHRDETHER. Returning NOTIFYBAD from lapbethdeviceevent makes sure bonding driver can not break this expectation...

CVE-2026-43103

CVE-2026-43103 affects the Linux kernel net/lapbether driver: lapbeth_data_transmit() assumes the underlying device type is ARPHRD_ETHER, and returning NOTIFY_BAD from lapbeth_device_event() prevents the bonding driver from violating this expectation. The vulnerability is resolved in upstream ker...

CVE-2026-43103 net: lapbether: handle NETDEV_PRE_TYPE_CHANGE

In the Linux kernel, the following vulnerability has been resolved: net: lapbether: handle NETDEVPRETYPECHANGE lapbethdatatransmit expects the underlying device type to be ARPHRDETHER. Returning NOTIFYBAD from lapbethdeviceevent makes sure bonding driver can not break this expectation...

CVE-2026-43093

In the Linux kernel, the following vulnerability has been resolved: xsk: tighten UMEM headroom validation to account for tailroom and min frame The current headroom validation in xdpumemreg could leave us with insufficient space dedicated to even receive minimum-sized ethernet frame. Furthermore ...

CVE-2026-43093

CVE-2026-43093 is a Linux kernel issue in the xsk (AF_XDP) subsystem where headroom validation for UMEM was tightened in xdp_umem_reg(), addressing potential memory corruption of skb_shared_info and insufficient space for minimum-sized Ethernet frames. The fix accounts for 128-byte alignment as a...

CVE-2026-43093 xsk: tighten UMEM headroom validation to account for tailroom and min frame

In the Linux kernel, the following vulnerability has been resolved: xsk: tighten UMEM headroom validation to account for tailroom and min frame The current headroom validation in xdpumemreg could leave us with insufficient space dedicated to even receive minimum-sized ethernet frame. Furthermore ...

PT-2026-37513

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A kernel NULL pointer dereference occurs in the xscale ethernet component. The function ixp4xx get ts info calls ixp46x ptp find unconditionally, even though PTP Precision Time Protocol...

Linux Distros Unpatched Vulnerability : CVE-2026-43283

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - net: ethernet: ecbhf: Fix dmafreecoherent dma handle dmafreecoherent in error path takes priv-rxbuf.alloclen as the dma handle. This would lead to improper...

PT-2026-37623

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the ec bhf ethernet driver where the dma free coherent function in the error path incorrectly uses priv-rx buf.alloc len as the DMA handle. This results in the imprope...

PT-2026-37413

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A flaw exists in the lapbether network driver where the lapbeth data transmit function expects the underlying device type to be ARPHRD ETHER. The issue is addressed by returning NOTIFY B...

Important: Red Hat Security Advisory: kernel security update

An update for kernel is now available for Red Hat Enterprise Linux 8. 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...