CVE-2026-31471

In CVE-2026-31471, the Linux kernel’s xfrm: iptfs path had a use-after-free-like issue during IPTFS clone state setup. iptfs_clone_state() stored x->mode_data before allocating the reorder window; if allocation failed, the code freed the cloned state but left x->mode_data pointing at freed ...

CVE-2026-31471 xfrm: iptfs: only publish mode_data after clone setup

In the Linux kernel, the following vulnerability has been resolved: xfrm: iptfs: only publish modedata after clone setup iptfsclonestate stores x-modedata before allocating the reorder window. If that allocation fails, the code frees the cloned state and returns -ENOMEM, leaving x-modedata pointi...

CVE-2026-31447 ext4: reject mount if bigalloc with s_first_data_block != 0

In the Linux kernel, the following vulnerability has been resolved: ext4: reject mount if bigalloc with sfirstdatablock != 0 bigalloc with sfirstdatablock != 0 is not supported, reject mounting it...

kernel: macvlan: fix error recovery in macvlan_common_newlink()

A use-after-free vulnerability was found in the macvlan driver. When creating a macvlan interface in source mode fails after the source MAC has been added to the hash table e.g., due to an invalid interface name, the hash entry still references the freed netdevice structure. Subsequent packets...

EUVD-2026-24554

A server-side request forgery SSRF vulnerability was identified in GitHub Enterprise Server that allowed an attacker to extract sensitive environment variables from the instance through a timing side-channel attack against the notebook rendering service. When private mode was disabled, the notebo...

kernel: macvlan: fix error recovery in macvlan_common_newlink()

A use-after-free vulnerability was found in the macvlan driver. When creating a macvlan interface in source mode fails after the source MAC has been added to the hash table e.g., due to an invalid interface name, the hash entry still references the freed netdevice structure. Subsequent packets...

PT-2026-34509

Name of the Vulnerable Software and Affected Versions uutils coreutils affected versions not specified Description A logic error in the ln utility causes the program to reject source paths containing non-UTF-8 filename bytes when using target-directory forms, such as 'ln SOURCE... DIRECTORY'...

pypdf 安全漏洞

pypdf is an open-source, free, and pure Python PDF library developed by py-pdf. It allows for splitting, merging, cropping, and converting pages of PDF files. Prior to version 6.10.2, pypdf had a security vulnerability that could lead to prolonged execution when loading PDF files with large...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-013734)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013734 advisory. In the Linux kernel, the following vulnerability has been resolved: drm: Fix potential null-ptr-deref due to drmmmodeconfiginit drmmmodeconfiginit will call...

Unity Linux 20.1050a / 20.1060a Security Update: kernel (UTSA-2026-013389)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013389 advisory. In the Linux kernel, the following vulnerability has been resolved: scsi: core: Fix scsimodesense buffer length handling Several problems exist with scsimodesense...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-013396)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013396 advisory. In the Linux kernel, the following vulnerability has been resolved: scsi: core: Fix scsimodesense buffer length handling Several problems exist with scsimodesense...

PT-2026-34452

Name of the Vulnerable Software and Affected Versions openvpn-auth-oauth2 versions 1.26.3 through 1.27.2 Description An authentication bypass exists when the software is deployed in experimental plugin mode. Clients that do not support WebAuth/SSO are incorrectly granted full network access witho...

PT-2026-34376

In the Linux kernel, the following vulnerability has been resolved: xfrm: iptfs: only publish mode data after clone setup iptfs clone state stores x-mode data before allocating the reorder window. If that allocation fails, the code frees the cloned state and returns -ENOMEM, leaving x-mode data...

PT-2026-34525

Summary When openvpn-auth-oauth2 is deployed in the experimental plugin mode shared library loaded by OpenVPN via the plugin directive, clients that do not support WebAuth/SSO e.g., the openvpn CLI on Linux are incorrectly admitted to the VPN despite being denied by the authentication logic. The...

Linux kernel 安全漏洞

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from storing x-modedata before the cloning process is completed. This could lead to accessing released...

Linux kernel 安全漏洞

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from an error in DSC validation in the AMD display driver. This error allows bypassing irrelevant mode...

PT-2026-34393

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the amdgpu component where the mode changed flag is incorrectly reset to false during DSC Display Stream Compression validation when recomputing the configuration...

Unity Linux 20.1070a Security Update: kernel (UTSA-2026-013452)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013452 advisory. In the Linux kernel, the following vulnerability has been resolved: scsi: core: Fix scsimodesense buffer length handling Several problems exist with scsimodesense...

CVE-2026-5921

A server-side request forgery SSRF vulnerability was identified in GitHub Enterprise Server that allowed an attacker to extract sensitive environment variables from the instance through a timing side-channel attack against the notebook rendering service. When private mode was disabled, the notebo...

CVE-2026-5921 Server-Side Request Forgery in GitHub Enterprise Server allowed extraction of sensitive environment variables via timing side-channel attack

A server-side request forgery SSRF vulnerability was identified in GitHub Enterprise Server that allowed an attacker to extract sensitive environment variables from the instance through a timing side-channel attack against the notebook rendering service. When private mode was disabled, the notebo...