Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: ext4: fixed the iloc.bh leak in ext4xattr inodeupdateref. The error branch of ext4xattr inodeupdateref forgot to release the refcount for iloc.bh. This issue was discovered during code review...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: NFSv4/pNFS: The NFSINOLAYOUTCOMMIT field was cleared in pnfsmarklayoutstateidInvalidial. This fix prevents a crash occurring when the layout is null during this call stack: write inode - nfs4write inode - pnfslayoutcommit inode...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: xfs: check the return value of xchkscrubcreatesubord. This function should be fixed to return NULL instead of the mangled ENOMEM value. Additionally, the calling functions should be corrected to actually check for a null pointer...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: NFS: Fixed a deadlock involving nfsreleasefolio Wang Zhaolong reported a deadlock involving NFSv4.1 state recovery, waiting on kthreadd, which attempts to reclaim memory by calling nfsreleasefolio. The latter cannot proceed due t...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: pNFS: Fixed a deadlock that occurred when returning a delegation during the open function. Ben Coddington reported seeing a hang in the following stack trace: 0 ffffd0b50e1774e0 schedule at ffffffff9ca05415 1 ffffd0b50e177548...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: nfsd: Check that the server is running in unlockfilesystem mode. If we attempt to unlock the filesystem via an administrative interface, and nfsd is not running, it will cause the server to crash. This issue occurs currently...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: fs: ntfs3: fixed an infinite loop in attrloadrunsrange when there are inconsistencies in metadata. We have identified a bug in the ntfs3 file system where a malformed NTFS image can cause an infinite loop. This occurs when an...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: xfs: Check for deleted cursors when revalidating two btrees. The free space and inode btree repair functions will rebuild both btrees at the same time. After that, it is necessary to evaluate both btrees to confirm that the...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: nfsd: Fixed a cred reference leak in nfsdnlthreadssetdoit. syzbot reported a memory leak of the struct cred. 0 nfsdnlthreadssetdoit passes getcurrentcred to nfsdsvc, but putcred is not called afterward. The cred is finally...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: This issue prevents infinite loops that occur when the next valid value is the same. When processing the valid field within the range valid : pos, if the valid value cannot be retrieved correctly—for example, if the...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: bfs: Reconstructing the file type when loading from disk syzbot reports that the SIFMT bits of the inode-imode field can become invalid when: 1. The 32-bit “mode” field loaded from disk is corrupted; 2. The 32-bit “attributes”...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: ocfs2: fixed the issue with preserving cleanup for reflinks. The commit c06c303832ec “ocfs2: fixed the error where xattr array entries were not properly handled” does not handle all cases, and the cleanup of preserved xattr...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: btrfs: Fixed a race condition related to bitfield writes in btrfsclearspaceinfofull. According to the memory-barriers.txt document regarding memory barrier ordering guarantees: - These guarantees do not apply to bitfields, as...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: ocfs2: The BUG function was replaced with ocfs2error in ocfs2MoveExtent. In ocfs2MoveExtent, the BUG function was changed to ocfs2error simply to avoid causing the entire kernel to crash due to filesystem corruption...

CVE-2026-52944

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix FSCTL permission bypass by adding a permission check for FSCTLSETSPARSE FSCTLSETSPARSE in fsctlsetsparse modifies the file's sparse attribute and saves it through xattr without any permission checks. This exposes two...

SUSE-SU-2026:22488-1 Security update for the Linux Kernel RT (Live Patch 20 for SUSE Linux Enterprise Micro 6.0)

This update for the SUSE Linux Enterprise Kernel 6.4.0-42.1 fixes various security issues The following security issues were fixed: - CVE-2025-54518: AMD-SN-7052: CPU OP Cache Corruption bsc1264096. - CVE-2026-31402: nfsd: fix heap overflow in NFSv4.0 LOCK replay cache bsc1261640. - CVE-2026-3150...

SUSE-SU-2026:22411-1 Security update for the Linux Kernel RT (Live Patch 20 for SUSE Linux Enterprise Micro 6.0)

This update for the SUSE Linux Enterprise Kernel 6.4.0-42.1 fixes various security issues The following security issues were fixed: - CVE-2025-54518: AMD-SN-7052: CPU OP Cache Corruption bsc1264096. - CVE-2026-31402: nfsd: fix heap overflow in NFSv4.0 LOCK replay cache bsc1261640. - CVE-2026-3150...

SUSE-SU-2026:22420-1 Security update for the Linux Kernel (Live Patch 16 for SUSE Linux Enterprise Micro 6.0)

This update for the SUSE Linux Enterprise Kernel 6.4.0-39.1 fixes various security issues The following security issues were fixed: - CVE-2026-23278: netfilter: nftables: always walk all pending catchall elements bsc1260907. - CVE-2026-31402: nfsd: fix heap overflow in NFSv4.0 LOCK replay cache...

SUSE-SU-2026:22464-1 Security update for the Linux Kernel (Live Patch 8 for SUSE Linux Enterprise Micro 6.0)

This update for the SUSE Linux Enterprise Kernel 6.4.0-30.1 fixes various security issues The following security issues were fixed: - CVE-2026-23278: netfilter: nftables: always walk all pending catchall elements bsc1260907. - CVE-2026-31402: nfsd: fix heap overflow in NFSv4.0 LOCK replay cache...

PT-2026-51909

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the erofs component where the lcn variable was typed as unsigned long or unsigned int. On 32-bit platforms, this variable is only 32 bits wide, leading to the truncati...