CVE-2026-6406 Docker Desktop Enhanced Container Isolation bypass via --use-api-socket CLI flag

The Docker CLI --use-api-socket flag bypasses Enhanced Container Isolation ECI restrictions in Docker Desktop. When ECI is enabled, Docker socket mounts from containers are denied unless explicitly allowed via the admin-settings configuration. However, the --use-api-socket flag adds the Docker...

CVE-2026-6406

The Docker CLI --use-api-socket flag bypasses Enhanced Container Isolation ECI restrictions in Docker Desktop. When ECI is enabled, Docker socket mounts from containers are denied unless explicitly allowed via the admin-settings configuration. However, the --use-api-socket flag adds the Docker...

OESA-2026-2419 kernel security update

The Linux Kernel, the operating system core itself. Security Fixes: In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Validate L2CAPINFORSP payload length before access l2capinformationrsp checks that cmdlen covers the fixed l2capinforsp header type + result, 4...

SUSE-SU-2026:21742-1 Security update for util-linux

This update for util-linux fixes the following issue - CVE-2026-27456: TOCTOU in the mount program when setting up loop devices bsc1261606...

SUSE-SU-2026:21727-1 Security update for util-linux

This update for util-linux fixes the following issue - CVE-2026-27456: TOCTOU in the mount program when setting up loop devices bsc1261606...

PT-2026-42624

Summary Boxlite is a sandbox service that allows users to create lightweight virtual machines Boxes and launch OCI containers within them to run untrusted code. One of the core security features claimed by Boxlite is the ability to mount host directories in read-only mode read only=True into the ...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: gfs2: Check sbbsizeshift after reading the superblock. Fuzzers often modify sbbsizeshift, but in reality it’s very unlikely that this field would be corrupted on its own. Nevertheless, it should still be checked to avoid potentia...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: cifs: fixed a double-free race that occurs when the mount operation fails in cifsgetroot When cifsgetroot fails during cifssmb3domount, we call deactivatelockedsuper, which will eventually call delayedfree, which will free the...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ext4: Turn quotas off if mount fails after enabling quotas Yi discovered during a review of the patch “ext4: Don’t report errors with inconsistent journal features” that when ext4markrecoverycomplete returns an error value, the...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: Fixed a NULL dereference in ntfsupdatemftmirr. If ntfsfillsuper is not called, then sbi-sb will be equal to NULL. The code should check this pointer before dereferencing it. The Syzbot encountered this issue by passing...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: LSM: General protection fault in legacyparseparam The usual LSM hook mechanism of “bailing on failure” doesn’t work in cases where a security module returns an error code indicating that it doesn’t recognize an input. In this...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: btrfs: Zoned – Initialize the zone info of the device for seeding. When performing seeding on a zoned filesystem, it is necessary to initialize the btrfszoneddeviceinfo structure of each zoned device. Otherwise, mounting the...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: ubifs: A memory leak was fixed in allocwbufs. kmemleak reported a series of memory leaks, as follows: - Unreferenced object 0xffff8881575f8400 size 1024: Command: “mount”, PID: 19625, Jiffies: 4297119604 Age: 20.383 seconds He...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: NFS: Fixed an error in nfsdautomount When mounting from an NFSv4 reference, path-dentry may end up being a negative dentry. Therefore, the struct nfsserver structure is derived from the dentry itself instead...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: exfat: Use kvmallocarray/kvfree instead of kmallocarray/kfree. The call stack shown below represents a scenario in the Linux 4.19 kernel. Memory allocation failed for the exfat file system, due to system memory fragmentation...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: Fixed a memory leak in the ntfsfillsuper error path. syzbot reported the following regarding kmemleak: Bug: Memory leak Unreferenced object: 0xffff8880122f1540 size: 32 bytes Command: "a.out", PID: 6664; Jiffies:...

Astra Linux – Vulnerability in Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: selinux: Avoid dereferencing garbage after a mount failure. In the case where kernmount fails and returns an error pointer in the error branch instead of continuing and dereferencing the error pointer. Also, remove the “never rea...

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

In the Linux kernel, the following vulnerabilities have been resolved: ocfs2: A memory leak has been fixed in ocfs2mountvolume. There is a memory leak reported by kmemleak: - Unreferenced object: 0xffff88810cc65e60 size 32 Command: “mount.ocfs2”, PID: 23753, Jiffies: 4302528942 Age: 34735.105s He...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Fuse: Abort on fatal signal during sync init When sync init is used and the server exits for some reason e.g., error, crash, the filesystem creation will hang during the processing of FUSEINIT. The reason for this issue is that...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: xfs: Fixed undersized liclogroundoff values. If the superblock does not list a log stripe unit, we set the incore log roundoff value to 512. This can lead to corrupted logs and unmountable file systems in generic/617 on a disk...