CVE-2022-50321 wifi: brcmfmac: fix potential memory leak in brcmf_netdev_start_xmit()

In the Linux kernel, the following vulnerability has been resolved: wifi: brcmfmac: fix potential memory leak in brcmfnetdevstartxmit The brcmfnetdevstartxmit returns NETDEVTXOK without freeing skb in case of pskbexpandhead fails, add devkfreeskb to fix it. Compile tested only...

CVE-2022-50321

CVE-2022-50321 corresponds to a Linux kernel wifi flaw in brcmfmac where brcmf_netdev_start_xmit() could leak memory when pskb_expand_head() fails, returning NETDEV_TX_OK without freeing the skb. The fix adds dev_kfree_skb() to properly free skb and was compile-tested; multiple Unity/Linux adviso...

CVE-2023-53221 bpf: Fix memleak due to fentry attach failure

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix memleak due to fentry attach failure If it fails to attach fentry, the allocated bpf trampoline image will be left in the system. That can be verified by checking /proc/kallsyms. This meamleak can be verified by a simple...

CVE-2023-53199 wifi: ath9k: hif_usb: clean up skbs if ath9k_hif_usb_rx_stream() fails

In the Linux kernel, the following vulnerability has been resolved: wifi: ath9k: hifusb: clean up skbs if ath9khifusbrxstream fails Syzkaller detected a memory leak of skbs in ath9khifusbrxstream. While processing skbs in ath9khifusbrxstream, the already allocated skbs in skbpool are not freed if...

CVE-2022-50253

In the Linux kernel, the following vulnerability has been resolved: bpf: make sure skb-len != 0 when redirecting to a tunneling device syzkaller managed to trigger another case where skb-len == 0 when we enter devqueuexmit: WARNING: CPU: 0 PID: 2470 at include/linux/skbuff.h:2576 skbassertlen...

DEBIAN-CVE-2022-50253

In the Linux kernel, the following vulnerability has been resolved: bpf: make sure skb-len != 0 when redirecting to a tunneling device syzkaller managed to trigger another case where skb-len == 0 when we enter devqueuexmit: WARNING: CPU: 0 PID: 2470 at include/linux/skbuff.h:2576 skbassertlen...

UBUNTU-CVE-2022-50253

In the Linux kernel, the following vulnerability has been resolved: bpf: make sure skb-len != 0 when redirecting to a tunneling device syzkaller managed to trigger another case where skb-len == 0 when we enter devqueuexmit: WARNING: CPU: 0 PID: 2470 at include/linux/skbuff.h:2576 skbassertlen...

CVE-2022-50253 bpf: make sure skb->len != 0 when redirecting to a tunneling device

In the Linux kernel, the following vulnerability has been resolved: bpf: make sure skb-len != 0 when redirecting to a tunneling device syzkaller managed to trigger another case where skb-len == 0 when we enter devqueuexmit: WARNING: CPU: 0 PID: 2470 at include/linux/skbuff.h:2576 skbassertlen...

kernel: net: usb: smsc75xx: Limit packet length to skb->len

In the Linux kernel, the following vulnerability has been resolved: net: usb: smsc75xx: Limit packet length to skb-len Packet length retrieved from skb data may be larger than the actual socket buffer length up to 9026 bytes. In such case the cloned skb passed up the network stack will leak kerne...

Cyber Attack Mitigation Framework for Denial of Service (DoS) Attacks in Fog Computing

Innovative solutions to cyber security issues are shaped by the ever-changing landscape of cyber threats. Automating the mitigation of these threats can be achieved through a new methodology that addresses the domain of mitigation automation, which is often overlooked. This literature overview...

Important: kernel security update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: net: usb: smsc75xx: Limit packet length to skb-len CVE-2023-53125 kernel: net/sched: Always pass notifications when child class becomes empty CVE-2025-38350 kernel: idpf: convert control...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from the brcmfnetdevstartxmit function failing to free the skb when pskbexpandhead fails, which could lead to a...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from not properly validating packet boundaries, which could lead to out-of-bounds reads and integer underflows...

Linux Distros Unpatched Vulnerability : CVE-2025-39766

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - net/sched: Make cakeenqueue return NETXMITCN when past bufferlimit The following setup can trigger a WARNING in htbactivate due to the condition:...

Linux Distros Unpatched Vulnerability : CVE-2025-39797

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - xfrm: Duplicate SPI Handling The issue originates when Strongswan initiates an XFRMMSGALLOCSPI Netlink message, which triggers the kernel function xfrmallocspi...

SUSE CVE-2025-39797

In the Linux kernel, the following vulnerability has been resolved: xfrm: Duplicate SPI Handling The issue originates when Strongswan initiates an XFRMMSGALLOCSPI Netlink message, which triggers the kernel function xfrmallocspi. This function is expected to ensure uniqueness of the Security...

bpf: Forget ranges when refining tnum after JSET

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SUSE CVE-2025-39766

In the Linux kernel, the following vulnerability has been resolved: net/sched: Make cakeenqueue return NETXMITCN when past bufferlimit The following setup can trigger a WARNING in htbactivate due to the condition: !cl-leaf.q-q.qlen tc qdisc del dev lo root tc qdisc add dev lo root handle 1: htb...

CVE-2025-39797 xfrm: Duplicate SPI Handling

In the Linux kernel, the following vulnerability has been resolved: xfrm: Duplicate SPI Handling The issue originates when Strongswan initiates an XFRMMSGALLOCSPI Netlink message, which triggers the kernel function xfrmallocspi. This function is expected to ensure uniqueness of the Security...

CVE-2025-39797

CVE-2025-39797 concerns the Linux kernel xfrm duplicate SPI handling. The vulnerability arises when Strongswan triggers an XFRM_NETLINK_ALLOC_SPI request, enabling xfrm_alloc_spi() to return success for an SPI already in use, causing multiple inbound SAs to share the same SPI (distinguished only ...