Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: Net: tun: Update napi-skb after the XDP process. The syzbot report a UAF issue: BUG: KASAN: slab-use-after-free in skbresetmacheader include/linux/skbuff.h:3150 inline BUG: KASAN: slab-use-after-free in napifragsskb...

ROS-20260112-7340

A vulnerability in the tun.c component of the Linux kernel is related to insufficient input validation. Exploitation of the vulnerability could allow an attacker to cause a denial of service...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-000251)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-000251 advisory. A memory leak in the qrtrtunwriteiter function in net/qrtr/tun.c in the Linux kernel before 5.3 allows attackers to cause a denial of service memory consumption, aka...

AlmaLinux 10 : kernel (ALSA-2025:23279)

The remote AlmaLinux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2025:23279 advisory. kernel: cloneprivatemnt: make sure that caller has CAPSYSADMIN in the right userns CVE-2025-38499 kernel: net: tun: Update napi-skb after XDP process...

PT-2026-26114

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A flaw exists in the Linux kernel's UDP GRO Generic Receive Offload complete stage. The UDP GRO complete stage incorrectly assumes that the encapsulation flag is zeroed for all packets...

EUVD-2023-60290

In the Linux kernel, the following vulnerability has been resolved: net: core: remove unnecessary framesz check in bpfxdpadjusttail Syzkaller reported the following issue: ======================================= Too BIG xdp-framesz = 131072 WARNING: CPU: 0 PID: 5020 at net/core/filter.c:4121...

CVE-2023-54155

The CVE relates to the Linux kernel net/xdp path. Root cause: a previous check enforcing xdp.frame_sz > PAGE_SIZE was removed in the context of allowing bpf_xdp_adjust_tail() to grow packet size, after xdp_init_buff() was introduced. This can allow excessive frame sizes (e.g., xdp->frame_sz...

CVE-2023-54155 net: core: remove unnecessary frame_sz check in bpf_xdp_adjust_tail()

In the Linux kernel, the following vulnerability has been resolved: net: core: remove unnecessary framesz check in bpfxdpadjusttail Syzkaller reported the following issue: ======================================= Too BIG xdp-framesz = 131072 WARNING: CPU: 0 PID: 5020 at net/core/filter.c:4121...

kernel: net: tun: Update napi->skb after XDP process

A use-after-free flaw was found in tungetuser in drivers/net/tun.c in network TUNnel module in Linux kernel. This flaw could allow an attacker to crash the system at device disconnect. This vulnerability could even lead to a kernel information leak problem...

kernel: net: tun: Update napi->skb after XDP process

A use-after-free flaw was found in tungetuser in drivers/net/tun.c in network TUNnel module in Linux kernel. This flaw could allow an attacker to crash the system at device disconnect. This vulnerability could even lead to a kernel information leak problem...

CVE-2023-53798

CVE-2023-53798 affects the Linux kernel’s ethtool path for setting link modes via the legacy IOCTL interface. The root cause is an uninitialized struct ethtool_link_ksettings in the IOCTL/set_link_ksettings path, causing the lanes field to be read as uninitialized memory, which can influence driv...

CVE-2023-53798

In the Linux kernel, the following vulnerability has been resolved: ethtool: Fix uninitialized number of lanes It is not possible to set the number of lanes when setting link modes using the legacy IOCTL ethtool interface. Since 'struct ethtoollinkksettings' is not initialized in this path, drive...

DEBIAN-CVE-2025-40271

In the Linux kernel, the following vulnerability has been resolved: fs/proc: fix uaf in procreaddirde Pde is erased from subdir rbtree through rberase, but not set the node to EMPTY, which may result in uaf access. We should use RBCLEARNODE set the erased node to EMPTY, then pdesubdirnext will...

SUSE-SU-2025:4123-1 Security update for the Linux Kernel (Live Patch 61 for SUSE Linux Enterprise 12 SP5)

This update for the SUSE Linux Enterprise kernel 4.12.14-122.231 fixes various security issues The following security issues were fixed: - CVE-2022-48956: ipv6: avoid use-after-free in ip6fragment bsc1232637. - CVE-2022-49014: net: tun: Fix use-after-free in tundetach bsc1232818. - CVE-2022-49053...

Siemens SCALANCE and RUGGEDCOM Devices Improper Input Validation (CVE-2024-41091)

tun: add missing verification for short frame. Missing to check against the validity of the frame length in the tunxdpone path could cause a corrupted skb to be sent downstack. Even before the skb is transmitted, the tunxdpone--ethtypetrans may access the Ethernet header although it can be less...

Malicious code in munir-terd-tun (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 2fdbd28c086638b2a48a5220dbcc9aa8eb4e4aa77dd84d7af9feb53615f15bee This package appears to be part of the tea.xyz token reward campaign that flooded npm. These packages typically contain autopublish scripts auto.js,...

kernel: net: tun: unlink NAPI from device on destruction

In the Linux kernel, the following vulnerability has been resolved: net: tun: unlink NAPI from device on destruction Syzbot found a race between tun file and device destruction. NAPIs live in struct tunfile which can get destroyed before the netdev so we have to del them explicitly. The current...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-990563)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-990563 advisory. In the Linux kernel, the following vulnerability has been resolved: net: tun: unlink NAPI from device on destruction Syzbot found a race between tun file and device...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-990478)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-990478 advisory. In the Linux kernel, the following vulnerability has been resolved: llc: verify mac len before reading mac header LLC reads the mac header with ethhdr without...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-989955)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-989955 advisory. In the Linux kernel, the following vulnerability has been resolved: net: tun: unlink NAPI from device on destruction Syzbot found a race between tun file and device...