Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ext4: Do not set SBRDONLY after filesystem errors When the filesystem is mounted with errors=remount-ro, we previously set the SBRDONLY flag to prevent any further modifications to the filesystem. We knew that this approach misse...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ext4: Fix for a possible UAF Use-after-Write issue when remounting a read-only mmp-protected file system. After committing the change 618f003199c6 “ext4: Fix memory leak in ext4fillsuper”, there is a race condition where the kmmp...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-021583)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-021583 advisory. In the Linux kernel, the following vulnerability has been resolved: ext4: don't set SBRDONLY after filesystem errors When the filesystem is mounted with...

Unity Linux 20.1050e / 20.1070e Security Update: kernel (UTSA-2026-010809)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-010809 advisory. In the Linux kernel, the following vulnerability has been resolved: btrfs: add handling for RAID1C23/DUP to btrfsreduceallocprofile Callers of btrfsreduceallocprofil...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-007571)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-007571 advisory. In the Linux kernel, the following vulnerability has been resolved: ext4: fix possible UAF when remounting r/o a mmp-protected file system After commit 618f003199c6...

Unity Linux 20.1070a Security Update: kernel (UTSA-2026-005707)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-005707 advisory. In the Linux kernel, the following vulnerability has been resolved: btrfs: add handling for RAID1C23/DUP to btrfsreduceallocprofile Callers of btrfsreduceallocprofil...

Azure Linux 3.0 Security Update: kernel (CVE-2024-57892)

The version of kernel installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2024-57892 advisory. - In the Linux kernel, the following vulnerability has been resolved: ocfs2: fix slab-use-after-free due to...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-989052)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-989052 advisory. In the Linux kernel, the following vulnerability has been resolved: ext4: fix possible UAF when remounting r/o a mmp-protected file system After commit 618f003199c6...

Unity Linux 20.1070e Security Update: kernel (UTSA-2025-414302)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-414302 advisory. In the Linux kernel, the following vulnerability has been resolved: efivarfs: force RO when remounting if SetVariable is not supported If SetVariable at runtime is n...

DEBIAN-CVE-2024-57892

In the Linux kernel, the following vulnerability has been resolved: ocfs2: fix slab-use-after-free due to dangling pointer dqipriv When mounting ocfs2 and then remounting it as read-only, a slab-use-after-free occurs after the user uses a syscall to quotagetnextquota. Specifically, sbdqinfosb,...

SUSE CVE-2024-50191

In the Linux kernel, the following vulnerability has been resolved: ext4: don't set SBRDONLY after filesystem errors When the filesystem is mounted with errors=remount-ro, we were setting SBRDONLY flag to stop all filesystem modifications. We knew this misses proper locking sb-sumount and does no...

DEBIAN-CVE-2024-50191

In the Linux kernel, the following vulnerability has been resolved: ext4: don't set SBRDONLY after filesystem errors When the filesystem is mounted with errors=remount-ro, we were setting SBRDONLY flag to stop all filesystem modifications. We knew this misses proper locking sb-sumount and does no...

UBUNTU-CVE-2024-50191

In the Linux kernel, the following vulnerability has been resolved: ext4: don't set SBRDONLY after filesystem errors When the filesystem is mounted with errors=remount-ro, we were setting SBRDONLY flag to stop all filesystem modifications. We knew this misses proper locking sb-sumount and does no...

SUSE CVE-2024-47689

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to don't set SBRDONLY in f2fshandlecriticalerror syzbot reports a f2fs bug as below: ------------ cut here ------------ WARNING: CPU: 1 PID: 58 at kernel/rcu/sync.c:177 rcusyncdtor+0xcd/0x180 kernel/rcu/sync.c:177 CPU: ...

DEBIAN-CVE-2024-47689

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to don't set SBRDONLY in f2fshandlecriticalerror syzbot reports a f2fs bug as below: ------------ cut here ------------ WARNING: CPU: 1 PID: 58 at kernel/rcu/sync.c:177 rcusyncdtor+0xcd/0x180 kernel/rcu/sync.c:177 CPU: ...

OESA-2024-2255 kernel security update

The Linux Kernel, the operating system core itself. Security Fixes: In the Linux kernel, the following vulnerability has been resolved: drm/i915/gt: Cleanup partial engine discovery failures If we abort driver initialisation in the middle of gt/engine discovery, some engines will be fully setup a...

SUSE CVE-2021-47342

In the Linux kernel, the following vulnerability has been resolved: ext4: fix possible UAF when remounting r/o a mmp-protected file system After commit 618f003199c6 "ext4: fix memory leak in ext4fillsuper", after the file system is remounted read-only, there is a race where the kmmpd thread can...

DEBIAN-CVE-2021-47342

In the Linux kernel, the following vulnerability has been resolved: ext4: fix possible UAF when remounting r/o a mmp-protected file system After commit 618f003199c6 "ext4: fix memory leak in ext4fillsuper", after the file system is remounted read-only, there is a race where the kmmpd thread can...

CVE-2021-47342

In the Linux kernel, the following vulnerability has been resolved: ext4: fix possible UAF when remounting r/o a mmp-protected file system After commit 618f003199c6 "ext4: fix memory leak in ext4fillsuper", after the file system is remounted read-only, there is a race where the kmmpd thread can...

DEBIAN-CVE-2023-52463

In the Linux kernel, the following vulnerability has been resolved: efivarfs: force RO when remounting if SetVariable is not supported If SetVariable at runtime is not supported by the firmware we never assign a callback for that function. At the same time mount the efivarfs as RO so no one can...