CVE-2026-74324

In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7925: validate skb length in testmode query In mt7925tmquery, the response skb from mt76mcusendandgetmsg is used in a memcpy without validating its length: memcpyevtresp, skb-data + 8, MT7925EVTRSPLEN; where...

CVE-2026-72253

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfconntracksip: validate skbdst before accessing it tc ingress and openvswitch do not guarantee routing information to be available. These subsystems use the conntrack helper infrastructure, and the SIP helper relies o...

CVE-2026-74324 wifi: mt76: mt7925: validate skb length in testmode query

In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7925: validate skb length in testmode query In mt7925tmquery, the response skb from mt76mcusendandgetmsg is used in a memcpy without validating its length: memcpyevtresp, skb-data + 8, MT7925EVTRSPLEN; where...

CVE-2025-39950

In the Linux kernel, the following vulnerability has been resolved: net/tcp: Fix a NULL pointer dereference when using TCP-AO with TCPREPAIR A NULL pointer dereference can occur in tcpaofinishconnect during a connect system call on a socket with a TCP-AO key added and TCPREPAIR enabled. The...

CVE-2025-39950 net/tcp: Fix a NULL pointer dereference when using TCP-AO with TCP_REPAIR

In the Linux kernel, the following vulnerability has been resolved: net/tcp: Fix a NULL pointer dereference when using TCP-AO with TCPREPAIR A NULL pointer dereference can occur in tcpaofinishconnect during a connect system call on a socket with a TCP-AO key added and TCPREPAIR enabled. The...

DEBIAN-CVE-2025-38513

In the Linux kernel, the following vulnerability has been resolved: wifi: zd1211rw: Fix potential NULL pointer dereference in zdmactxtodev There is a potential NULL pointer dereference in zdmactxtodev. For example, the following is possible: T0 T1 zdmactxtodev / len == skbqueuelenq / while len...

CVE-2022-49340

The CVE-2022-49340 entry refers to the Linux kernel GRE/IPGRE path where ipgre_xmit validates csum_start for CHECKSUM_PARTIAL packets. The issue arose when skb_pull and GRE with TUNNEL_CSUM could cause an overflow via lco_csum if skb_checksum_start(skb) was compared against skb->data without p...

DEBIAN-CVE-2024-43897

In the Linux kernel, the following vulnerability has been resolved: net: drop bad gso csumstart and offset in virtionethdr Tighten csumstart and csumoffset checks in virtionethdrtoskb for GSO packets. The function already checks that a checksum requested with VIRTIONETHDRFNEEDSCSUM is in skb...

UBUNTU-CVE-2024-41066

In the Linux kernel, the following vulnerability has been resolved: ibmvnic: Add tx check to prevent skb leak Below is a summary of how the driver stores a reference to an skb during transmit: txbufffreemapconsumerindex-skb = newskb; freemapconsumerindex = IBMVNICINVALIDMAP; consumerindex ++; Whe...

USN-6441-3 linux-iot, linux-raspi, linux-raspi-5.4 vulnerabilities

Ross Lagerwall discovered that the Xen netback backend driver in the Linux kernel did not properly handle certain unusual packets from a paravirtualized network frontend, leading to a buffer overflow. An attacker in a guest VM could use this to cause a denial of service host system crash or...

USN-6439-1 linux, linux-aws, linux-kvm, linux-lts-xenial vulnerabilities

It was discovered that the IPv6 implementation in the Linux kernel contained a high rate of hash collisions in connection lookup table. A remote attacker could use this to cause a denial of service excessive CPU consumption. CVE-2023-1206 Yu Hao and Weiteng Chen discovered that the Bluetooth HCI...

USN-6045-1 linux, linux-aws, linux-kvm, linux-lts-xenial vulnerabilities

It was discovered that the Traffic-Control Index TCINDEX implementation in the Linux kernel did not properly perform filter deactivation in some situations. A local attacker could possibly use this to gain elevated privileges. Please note that with the fix for this CVE, kernel support for the...