kernel: veth: ensure skb entering GRO are not cloned.

In the Linux kernel, the following vulnerability has been resolved: veth: ensure skb entering GRO are not cloned. After commit d3256efd8e8b "veth: allow enabling NAPI even without XDP", if GRO is enabled on a veth device and TSO is disabled on the peer device, TCP skbs will go through the NAPI...

kernel: gso: do not skip outer ip header in case of ipip and net_failover

In the Linux kernel, the following vulnerability has been resolved: gso: do not skip outer ip header in case of ipip and netfailover We encounter a tcp drop issue in our cloud environment. Packet GROed in host forwards to a VM virtionet nic with netfailover enabled. VM acts as a IPVS LB with ipip...

kernel: sfc: fix considering that all channels have TX queues

In the Linux kernel, the following vulnerability has been resolved: sfc: fix considering that all channels have TX queues Normally, all channels have RX and TX queues, but this is not true if modparam efxseparatetxchannels=1 is used. In that cases, some channels only have RX queues and others onl...

kernel: tipc: move bc link creation back to tipc_node_create

In the Linux kernel, the following vulnerability has been resolved: tipc: move bc link creation back to tipcnodecreate Shuang Li reported a NULL pointer dereference crash: BUG: kernel NULL pointer dereference, address: 0000000000000068 RIP: 0010:tipclinkisup+0x5/0x10 tipc Call Trace:...

kernel: skbuff: fix coalescing for page_pool fragment recycling

In the Linux kernel, the following vulnerability has been resolved: skbuff: fix coalescing for pagepool fragment recycling Fix a use-after-free when using pagepool with page fragments. We encountered this problem during normal RX in the hns3 driver: 1 Initially we have three descriptors in the RX...

kernel: ath9k: fix use-after-free in ath9k_hif_usb_rx_cb

In the Linux kernel, the following vulnerability has been resolved: ath9k: fix use-after-free in ath9khifusbrxcb Syzbot reported use-after-free Read in ath9khifusbrxcb 0. The problem was in incorrect htchandle-drvpriv initialization. Probable call trace which can trigger use-after-free:...

kernel: vmxnet3: use-after-free in vmxnet3_rq_alloc_rx_buf()

A use-after-free flaw was found in vmxnet3rqallocrxbuf in drivers/net/vmxnet3/vmxnet3drv.c in VMware's vmxnet3 ethernet NIC driver in the Linux Kernel. This issue could allow a local attacker to crash the system due to a double-free while cleaning up vmxnet3rqcleanupall, which could also lead to ...

kernel: net/packet: slab-out-of-bounds access in packet_recvmsg()

An out-of-bounds access issue was found in the Linux kernel networking subsystem in the way raw packet sockets AFPACKET used PACKETCOPYTHRESH and mmap operations. A local attacker with CAPNETRAW capability could use this flaw to trigger a buffer overflow resulting in a system crash or privilege...

PT-2022-35059 · Linux · Linux Kernel

Name of the Vulnerable Software and Affected Versions: Linux Kernel versions prior to v6.0.3 Description: The issue is related to the fsl lpuart serial driver in the Linux Kernel, where the DMA RX/TX use flags are not properly disabled in the lpuart dma shutdown function. This is an automated ID...

PT-2022-35716 · Linux · Linux Kernel

Name of the Vulnerable Software and Affected Versions: Linux Kernel versions prior to v4.19.264 Description: The issue is related to data-races around kcm-rx psock. This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibilit...

PT-2022-35876 · Linux · Linux Kernel

Name of the Vulnerable Software and Affected Versions: Linux Kernel versions prior to v4.9.332 Description: The issue is related to data-races around kcm-rx wait. The actual impact and attack plausibility have not yet been proven. Recommendations: For Linux Kernel versions prior to v4.9.332, upda...

kernel: ice: arfs: fix use-after-free when freeing @rx_cpu_rmap

In the Linux kernel, the following vulnerability has been resolved: ice: arfs: fix use-after-free when freeing @rxcpurmap The CI testing bots triggered the following splat: 718.203054 BUG: KASAN: use-after-free in freeirqcpurmap+0x53/0x80 718.206349 Read of size 4 at addr ffff8881bd127e00 by task...

kernel: sfc: fix considering that all channels have TX queues

In the Linux kernel, the following vulnerability has been resolved: sfc: fix considering that all channels have TX queues Normally, all channels have RX and TX queues, but this is not true if modparam efxseparatetxchannels=1 is used. In that cases, some channels only have RX queues and others onl...

kernel: iavf: Fix adminq error handling

In the Linux kernel, the following vulnerability has been resolved: iavf: Fix adminq error handling iavfallocasqbufs/iavfallocarqbufs allocates with dmaalloccoherent memory for VF mailbox. Free DMA regions for both ASQ and ARQ in case error happens during configuration of ASQ/ARQ registers. Witho...

kernel: net/packet: slab-out-of-bounds access in packet_recvmsg()

An out-of-bounds access issue was found in the Linux kernel networking subsystem in the way raw packet sockets AFPACKET used PACKETCOPYTHRESH and mmap operations. A local attacker with CAPNETRAW capability could use this flaw to trigger a buffer overflow resulting in a system crash or privilege...

kernel: veth: ensure skb entering GRO are not cloned.

In the Linux kernel, the following vulnerability has been resolved: veth: ensure skb entering GRO are not cloned. After commit d3256efd8e8b "veth: allow enabling NAPI even without XDP", if GRO is enabled on a veth device and TSO is disabled on the peer device, TCP skbs will go through the NAPI...

kernel: veth: ensure skb entering GRO are not cloned.

In the Linux kernel, the following vulnerability has been resolved: veth: ensure skb entering GRO are not cloned. After commit d3256efd8e8b "veth: allow enabling NAPI even without XDP", if GRO is enabled on a veth device and TSO is disabled on the peer device, TCP skbs will go through the NAPI...

PT-2025-8597 · Linux +3 · Linux Kernel +3

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: A NULL pointer dereference crash was reported in the Linux kernel. The issue occurs when a bc packet is received before the bc link is created, causing a dereference of a NULL pointer ...

Upgraded Q -> M from 94 [1666365598508]

Judge has assessed an item in Issue 94 as Medium risk. The relevant finding follows: L-04 payEther should use .call instead of .transfer Use of .transfer is no longer encouraged, as it may fail if the receiver has any logic in their receive function, due to the 2300 gas consumption limit. --- The...

CVE-2022-36795

In BIG-IP versions 17.0.x before 17.0.0.1, 16.1.x before 16.1.3.1, 15.1.x before 15.1.7, and 14.1.x before 14.1.5.1, when an LTM TCP profile with Auto Receive Window Enabled is configured on a virtual server, undisclosed traffic can cause the virtual server to stop processing new client connectio...