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-2023-53180

In the Linux kernel, the following vulnerability has been resolved: wifi: ath12k: Avoid NULL pointer access during management transmit cleanup Currently 'ar' reference is not added in skbcb. Though this is generally not used during transmit completion callbacks, on interface removal the remaining...

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...

UBUNTU-CVE-2022-50248

In the Linux kernel, the following vulnerability has been resolved: wifi: iwlwifi: mvm: fix double free on tx path. We see kernel crashes and lockups and KASAN errors related to ax210 firmware crashes. One of the KASAN dumps pointed at the tx path, and it appears there is indeed a way to...

CVE-2023-53180 wifi: ath12k: Avoid NULL pointer access during management transmit cleanup

In the Linux kernel, the following vulnerability has been resolved: wifi: ath12k: Avoid NULL pointer access during management transmit cleanup Currently 'ar' reference is not added in skbcb. Though this is generally not used during transmit completion callbacks, on interface removal the remaining...

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...

CVE-2022-50253

CVE-2022-50253 is a Linux kernel issue where bpf code did not ensure skb->len was non-zero when redirecting to a tunneling device, leading to a length underflow/invalid skb handling path after __skb_pull in certain redirect paths. The vulnerability is exploited via BPF/XDP filtering paths that...

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: tcp: Correct signedness in skb remaining space calculation

In the Linux kernel, the following vulnerability has been resolved: tcp: Correct signedness in skb remaining space calculation Syzkaller reported a bug 1 where sk-skforwardalloc can overflow. When we send data, if an skb exists at the tail of the write queue, the kernel will attempt to append the...

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 misperceiving the state of pfmemalloc in the skbappendpagefrags function, which could lead to data contentio...

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 handling the case where skb-len is zero, which could cause a warning to be triggered when the...

PT-2025-37623

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: A memory leak exists in the brcmf netdev start xmit function within the brcmfmac module. The function may return NETDEV TX OK without freeing the skb socket buffer if pskb expand head...

ALSA-2025:15782 Moderate: kernel security update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: ublk: make sure ubq-canceling is set when queue is frozen CVE-2025-22068 kernel: scsi: lpfc: Use memcpy for BIOS version CVE-2025-38332 kernel: idpf: convert control queue mutex to a...

PT-2025-37507

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A flaw was discovered in the Linux kernel related to the handling of socket buffers skb when redirecting packets to a tunneling device. Specifically, the issue arises when the skb-len...

SUSE CVE-2025-38732

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfreject: don't leak dst refcount for loopback packets recent patches to add a WARN when replacing skb dst entry found an old bug: WARNING: include/linux/skbuff.h:1165 skbdstcheckunset include/linux/skbuff.h:1164 inlin...

Linux Distros Unpatched Vulnerability : CVE-2025-39703

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - net, hsr: reject HSR frame if skb can't hold tag Receiving HSR frame with insufficient space to hold HSR tag in the skb can result in a crash kernel BUG:...

CVE-2025-39718

In the Linux kernel, the following vulnerability has been resolved: vsock/virtio: Validate length in packet header before skbput When receiving a vsock packet in the guest, only the virtqueue buffer size is validated prior to virtiovsockskbrxput. Unfortunately, virtiovsockskbrxput uses the length...

CVE-2025-39703

In the Linux kernel, the following vulnerability has been resolved: net, hsr: reject HSR frame if skb can't hold tag Receiving HSR frame with insufficient space to hold HSR tag in the skb can result in a crash kernel BUG: 45.390915 skbuff: skbunderpanic: text:ffffffff86f32cac len:26 put:14...

AZL-73722 CVE-2025-39703 affecting package kernel for versions less than 5.15.200.1-1

In the Linux kernel, the following vulnerability has been resolved: net, hsr: reject HSR frame if skb can't hold tag Receiving HSR frame with insufficient space to hold HSR tag in the skb can result in a crash kernel BUG: 45.390915 skbuff: skbunderpanic: text:ffffffff86f32cac len:26 put:14...

AZL-66923 CVE-2025-39703 affecting package kernel for versions less than 6.6.104.2-1

In the Linux kernel, the following vulnerability has been resolved: net, hsr: reject HSR frame if skb can't hold tag Receiving HSR frame with insufficient space to hold HSR tag in the skb can result in a crash kernel BUG: 45.390915 skbuff: skbunderpanic: text:ffffffff86f32cac len:26 put:14...