CVE-2026-80697

CVE-2026-80697 affects the Linux kernel in the erofs (Enhanced Read-Only Filesystem) subsystem. Backing files for page cache sharing were previously set up with f_path left as NULL (only f_inode was valid). A recent mincore fix relies on f_path.mnt, triggering a kernel NULL pointer dereference an...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15, Linux-6.1

In the Linux kernel, the following vulnerability has been resolved: SUNRPC: Fixed the issue where the RPC client cleaned up the freed pipefs directories. The cleanup of the RPC client’s pipefs directories is handled in the rpcremovepipedir function, which processes the workqueue. This function...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: vfs: Do not leak disconnected dentrys during umount When the user calls openbyhandleat on an inode that is not cached, we will create a disconnected dentry for it. If such a dentry is a directory, exportfsdecodefhraw will attempt...

SUSE-SU-2026:3156-1 Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP6 kernel was updated to fix various security issues The following security issues were fixed: - CVE-2026-43109: x86: shadow stacks: proper error handling for mmap lock bsc1264484. - CVE-2026-46052: ceph: only dadd negative dentries when they are unhashed bsc1267494....

Important: kernel

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: nfsd: fix heap overflow in NFSv4.0 LOCK replay cache CVE-2026-31402 In the Linux kernel, the following vulnerability has been resolved: ext4: validate pidx bounds in ext4extcorrectindexes CVE-2026-31449 In the Lin...

Amazon Linux 2 : kernel, --advisory ALAS2KERNEL-5.10-2026-124 (ALASKERNEL-5.10-2026-124)

"The version of kernel installed on the remote host is prior to 5.10.259-258.1043. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2KERNEL-5.10-2026-124 advisory. In the Linux kernel, the following vulnerability has been resolved: net/sched: teql: Fix double-free i...

Important: kernel

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: net/sched: teql: Fix double-free in teqlmasterxmit CVE-2026-23449 In the Linux kernel, the following vulnerability has been resolved: ext4: validate pidx bounds in ext4extcorrectindexes CVE-2026-31449 In the Linux...

Important: kernel

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: bonding: fix use-after-free due to enslave fail after slave array update CVE-2026-23171 In the Linux kernel, the following vulnerability has been resolved: smb: client: validate the whole DACL before rewriting it ...

ceph: only d_add() negative dentries when they are unhashed

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SUSE CVE-2026-46052

In the Linux kernel, the following vulnerability has been resolved: ceph: only dadd negative dentries when they are unhashed Ceph can call dadddentry, NULL on a negative dentry that is already present in the primary dcache hash. In the current VFS that is not safe. dadd goes through dadd to...

CVE-2026-46052

In the Linux kernel, the following vulnerability has been resolved: ceph: only dadd negative dentries when they are unhashed Ceph can call dadddentry, NULL on a negative dentry that is already present in the primary dcache hash. In the current VFS that is not safe. dadd goes through dadd to...

UBUNTU-CVE-2026-46052

In the Linux kernel, the following vulnerability has been resolved: ceph: only dadd negative dentries when they are unhashed Ceph can call dadddentry, NULL on a negative dentry that is already present in the primary dcache hash. In the current VFS that is not safe. dadd goes through dadd to...

CVE-2026-46052

The CVE-2026-46052 issue concerns the Linux kernel Ceph filesystem where a negative dentry that is already hashed can be re-added to the dcache, corrupting the d_hash bucket and leading to an RCU stall or system hang. The root cause is that d_add() can rehash and reinstate a dentry that is alread...

CVE-2026-46052 ceph: only d_add() negative dentries when they are unhashed

In the Linux kernel, the following vulnerability has been resolved: ceph: only dadd negative dentries when they are unhashed Ceph can call dadddentry, NULL on a negative dentry that is already present in the primary dcache hash. In the current VFS that is not safe. dadd goes through dadd to...

CVE-2026-46052 ceph: only d_add() negative dentries when they are unhashed

In the Linux kernel, the following vulnerability has been resolved: ceph: only dadd negative dentries when they are unhashed Ceph can call dadddentry, NULL on a negative dentry that is already present in the primary dcache hash. In the current VFS that is not safe. dadd goes through dadd to...

CVE-2026-46052

In the Linux kernel, the following vulnerability has been resolved: ceph: only dadd negative dentries when they are unhashed Ceph can call dadddentry, NULL on a negative dentry that is already present in the primary dcache hash. In the current VFS that is not safe. dadd goes through dadd to...

CVE-2026-46052

In the Linux kernel, the following vulnerability has been resolved: ceph: only dadd negative dentries when they are unhashed Ceph can call dadddentry, NULL on a negative dentry that is already present in the primary dcache hash. In the current VFS that is not safe. dadd goes through dadd to...

Linux Distros Unpatched Vulnerability : CVE-2026-46052

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ceph: only dadd negative dentries when they are unhashed Ceph can call dadddentry, NULL on a negative dentry that is already present in the primary dcache hash...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: cifs: fixed handlecache and multiuser In multiuser mode, each individual user has its own tcon structure for the shared resource, and thus they have their own handle for the cached directory. When unmounting such a shared...

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 the nfs3proccreate function in the NFS component. When dalias is a directory, this function does...