EUVD-2026-45499

In the Linux kernel, the following vulnerability has been resolved: ntfs3: reject direct userspace writes to reserved $LX xattrs NTFS3 uses $LXUID, $LXGID, $LXMOD and $LXDEV as internal WSL permission metadata and reloads them into iuid, igid and imode from ntfsgetwslperm. Because the empty-prefi...

CVE-2026-63814 f2fs: validate ACL entry sizes in f2fs_acl_from_disk()

In the Linux kernel, the following vulnerability has been resolved: f2fs: validate ACL entry sizes in f2fsaclfromdisk f2fsaclcount only validates the aggregate ACL xattr length. A malformed ACL can still place ACLUSER or ACLGROUP in a slot that only contains struct f2fsaclentryshort bytes, and...

CVE-2026-63796

CVE-2026-63796 concerns the Linux kernel’s OCFS2 filesystem. The issue arises when a malicious group descriptor can claim a bg_size/bg_bits pair that exceeds the on-disk group bitmap capacity, allowing bitmap scans and bit updates to run past bg_bitmap. The fix adds a physical-capacity check (bas...

EUVD-2026-45462

In the Linux kernel, the following vulnerability has been resolved: ocfs2: reject oversized group bitmap descriptors ocfs2validategdparent only bounds bgbits against the parent allocator's chain geometry. A malicious descriptor can still claim a bgsize/bgbits pair that exceeds the bitmap bytes th...

CVE-2026-63796 ocfs2: reject oversized group bitmap descriptors

In the Linux kernel, the following vulnerability has been resolved: ocfs2: reject oversized group bitmap descriptors ocfs2validategdparent only bounds bgbits against the parent allocator's chain geometry. A malicious descriptor can still claim a bgsize/bgbits pair that exceeds the bitmap bytes th...

CVE-2026-63796

In the Linux kernel, the following vulnerability has been resolved: ocfs2: reject oversized group bitmap descriptors ocfs2validategdparent only bounds bgbits against the parent allocator's chain geometry. A malicious descriptor can still claim a bgsize/bgbits pair that exceeds the bitmap bytes th...

CVE-2026-63796 ocfs2: reject oversized group bitmap descriptors

In the Linux kernel, the following vulnerability has been resolved: ocfs2: reject oversized group bitmap descriptors ocfs2validategdparent only bounds bgbits against the parent allocator's chain geometry. A malicious descriptor can still claim a bgsize/bgbits pair that exceeds the bitmap bytes th...

CVE-2026-63796

In the Linux kernel, the following vulnerability has been resolved: ocfs2: reject oversized group bitmap descriptors ocfs2validategdparent only bounds bgbits against the parent allocator's chain geometry. A malicious descriptor can still claim a bgsize/bgbits pair that exceeds the bitmap bytes th...

OESA-2026-3020 sssd security update

Provides a set of daemons to manage access to remote directories and authentication mechanisms. It provides an NSS and PAM interface toward the system and a pluggable back end system to connect to multiple different account sources. It is also the basis to provide client auditing and policy...

OESA-2026-3021 sssd security update

Provides a set of daemons to manage access to remote directories and authentication mechanisms. It provides an NSS and PAM interface toward the system and a pluggable back end system to connect to multiple different account sources. It is also the basis to provide client auditing and policy...

EUVD-2026-45406

A security flaw has been discovered in Sipeed PicoClaw up to 0.2.9. This issue affects the function dispatchIncoming of the file pkg/channels/wecom/wecom.go of the component Group Message Handler. The manipulation results in incorrect authorization. It is possible to launch the attack remotely. T...

EUVD-2026-45408

A security vulnerability has been detected in Sipeed PicoClaw up to 0.2.9. The affected element is the function handleMessageReceive of the file pkg/channels/feishu/feishu64.go of the component Group Message Handler. Such manipulation leads to missing authorization. The attack can be launched...

PT-2026-61455

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the ksmbd module where the Owner SID and Group SID within the NT Security Descriptor smb ntsd retrieved from the parent directory are not properly validated during ACL...

PT-2026-61376

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the netfs perform write function where folio-private is not correctly manipulated between NULL, NETFS FOLIO COPY TO CACHE, group pointers, and netfs folio structures...

PT-2026-61454

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A flaw exists in the SMB client where the CIFS GENL CMD SWN NOTIFY userspace witness-notify command lacks a capability flag. This allows any local process to send RESOURCE CHANGE or CLIE...

PT-2026-61112

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the ocfs2 component where the ocfs2 validate gd parent function fails to properly validate group bitmap descriptors. A malicious descriptor can specify a bg size or bg...

PT-2026-61371

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A flaw exists in the network shaper component where the net shaper nl group doit function fails to deduplicate NET SHAPER A LEAVES entries. If a user provides the same leaf handle multip...

Linux Distros Unpatched Vulnerability : CVE-2026-63796

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ocfs2: reject oversized group bitmap descriptors ocfs2validategdparent only bounds bgbits against the parent allocator's chain geometry. A malicious descriptor...

CVE-2026-16197

A security vulnerability has been detected in Sipeed PicoClaw up to 0.2.9. The affected element is the function handleMessageReceive of the file pkg/channels/feishu/feishu64.go of the component Group Message Handler. Such manipulation leads to missing authorization. The attack can be launched...

CVE-2026-16197 Sipeed PicoClaw Group Message feishu_64.go handleMessageReceive authorization

A security vulnerability has been detected in Sipeed PicoClaw up to 0.2.9. The affected element is the function handleMessageReceive of the file pkg/channels/feishu/feishu64.go of the component Group Message Handler. Such manipulation leads to missing authorization. The attack can be launched...