K000163099: Linux kernel vulnerability CVE-2026-53253

Security Advisory Description In the Linux kernel, the following vulnerability has been resolved: Bluetooth: bnep: reject short frames before parsing A BNEP peer can send a short BNEP SDU. bneprxframe reads the packet type byte immediately and, for control packets, reads the control opcode and...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Wifi: brcmfnotifyauthframerx – A heap overflow occurs when a short auth frame is processed. The function brcmfnotifyauthframerx retrieves the frame length from the firmware event and copies the frame body by subtracting the offse...

AZL-90465 CVE-2026-53253 affecting package kernel for versions less than 6.6.143.1-1

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: bnep: reject short frames before parsing A BNEP peer can send a short BNEP SDU. bneprxframe reads the packet type byte immediately and, for control packets, reads the control opcode and setup UUID-size byte before...

tun: free page on short-frame rejection in tun_xdp_one()

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CVE-2026-46321

In the Linux kernel, the following vulnerability has been resolved: tun: free page on short-frame rejection in tunxdpone tunxdpone returns -EINVAL on a frame shorter than ETHHLEN without freeing the page that vhostnetbuildxdp allocated for it. tunsendmsg discards that -EINVAL and still returns...

UBUNTU-CVE-2026-46321

In the Linux kernel, the following vulnerability has been resolved: tun: free page on short-frame rejection in tunxdpone tunxdpone returns -EINVAL on a frame shorter than ETHHLEN without freeing the page that vhostnetbuildxdp allocated for it. tunsendmsg discards that -EINVAL and still returns...

CVE-2026-46321

In the Linux kernel, the following vulnerability has been resolved: tun: free page on short-frame rejection in tunxdpone tunxdpone returns -EINVAL on a frame shorter than ETHHLEN without freeing the page that vhostnetbuildxdp allocated for it. tunsendmsg discards that -EINVAL and still returns...

CVE-2026-46321

Summary. CVE-2026-46321 concerns the Linux kernel tun/tap with vhost-net, where a short-frame rejection path in tun_xdp_one() can leak memory pages. Specifically, when a frame is shorter than ETH_HLEN, tun_xdp_one() returns -EINVAL without freeing the page allocated by vhost_net_build_xdp(). tun_...

CVE-2026-46321 tun: free page on short-frame rejection in tun_xdp_one()

In the Linux kernel, the following vulnerability has been resolved: tun: free page on short-frame rejection in tunxdpone tunxdpone returns -EINVAL on a frame shorter than ETHHLEN without freeing the page that vhostnetbuildxdp allocated for it. tunsendmsg discards that -EINVAL and still returns...

CVE-2026-46321 tun: free page on short-frame rejection in tun_xdp_one()

In the Linux kernel, the following vulnerability has been resolved: tun: free page on short-frame rejection in tunxdpone tunxdpone returns -EINVAL on a frame shorter than ETHHLEN without freeing the page that vhostnetbuildxdp allocated for it. tunsendmsg discards that -EINVAL and still returns...

CVE-2026-46321

In the Linux kernel, the following vulnerability has been resolved: tun: free page on short-frame rejection in tunxdpone tunxdpone returns -EINVAL on a frame shorter than ETHHLEN without freeing the page that vhostnetbuildxdp allocated for it. tunsendmsg discards that -EINVAL and still returns...

CVE-2026-46321

In the Linux kernel, the following vulnerability has been resolved: tun: free page on short-frame rejection in tunxdpone tunxdpone returns -EINVAL on a frame shorter than ETHHLEN without freeing the page that vhostnetbuildxdp allocated for it. tunsendmsg discards that -EINVAL and still returns...

PT-2026-47758

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A memory leak occurs in the Linux kernel when the tun xdp one function returns -EINVAL for frames shorter than ETH HLEN without freeing the page allocated by vhost net build xdp. Because...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-990239)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-990239 advisory. In the Linux kernel, the following vulnerability has been resolved: tap: add missing verification for short frame The cited commit missed to check against the validi...

Unity Linux 20.1070e Security Update: kernel (UTSA-2025-989975)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-989975 advisory. In the Linux kernel, the following vulnerability has been resolved: tun: add missing verification for short frame The cited commit missed to check against the validi...

Unity Linux 20.1070e Security Update: kernel (UTSA-2025-989978)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-989978 advisory. In the Linux kernel, the following vulnerability has been resolved: tap: add missing verification for short frame The cited commit missed to check against the validi...

AZL-69631 CVE-2025-12464 affecting package qemu for versions less than 8.2.0-25

A stack-based buffer overflow was found in the QEMU e1000 network device. The code for padding short frames was dropped from individual network devices and moved to the net core code. The issue stems from the device's receive code still being able to process a short frame in loopback mode. This...

DEBIAN-CVE-2025-12464

A stack-based buffer overflow was found in the QEMU e1000 network device. The code for padding short frames was dropped from individual network devices and moved to the net core code. The issue stems from the device's receive code still being able to process a short frame in loopback mode. This...

EUVD-2018-19060

Malware in sbrugna...

Security update for the Linux Kernel (Live Patch 45 for SLE 15 SP3)

This update for the Linux Kernel 5.3.18-15030059164 fixes several issues. The following security issues were fixed: CVE-2022-49014: net: tun: Fix use-after-free in tundetach bsc1232818. CVE-2022-49563: crypto: qat - add param check for RSA bsc1238788. CVE-2022-49564: crypto: qat - add param check...