SUSE-SU-2026:22388-1 Security update for the Linux Kernel (Live Patch 7 for SUSE Linux Enterprise 16)

This update for the SUSE Linux Enterprise Kernel 6.12.0-160000.28.1 fixes various security issues The following security issues were fixed: - CVE-2026-31402: nfsd: fix heap overflow in NFSv4.0 LOCK replay cache bsc1261640. - CVE-2026-31504: net: fix fanout UAF in packetrelease via NETDEVUP race...

CVE-2026-53026

In the Linux kernel, the following vulnerability has been resolved: NFSD: fix nfs4file access extra count in nfsd4addrdaccesstowrdeleg In nfsd4addrdaccesstowrdeleg, if fp-fifdsORDONLY is already set by another thread, nfs4filegetaccess should not be called to increment the nfs4file access count...

CVE-2026-53026

In the Linux kernel, the following vulnerability has been resolved: NFSD: fix nfs4file access extra count in nfsd4addrdaccesstowrdeleg In nfsd4addrdaccesstowrdeleg, if fp-fifdsORDONLY is already set by another thread, nfs4filegetaccess should not be called to increment the nfs4file access count...

CVE-2026-53026 NFSD: fix nfs4_file access extra count in nfsd4_add_rdaccess_to_wrdeleg

In the Linux kernel, the following vulnerability has been resolved: NFSD: fix nfs4file access extra count in nfsd4addrdaccesstowrdeleg In nfsd4addrdaccesstowrdeleg, if fp-fifdsORDONLY is already set by another thread, nfs4filegetaccess should not be called to increment the nfs4file access count...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: NFSD: NFSv4 file creation neglects setting the ACL. A NFSv4 client that sets an ACL with a named principal during file creation retrieves the ACL later. It finds that the ACL is only a default ACL based on the mode bits, not the...

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: nfsd: Check that the server is running in unlockfilesystem. If we try to unlock the filesystem via an administrative interface, and nfsd is not running, it will cause the server to crash. This occurs currently because the...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: nfsd: Locking is provided for v4endgrace. Writing to v4endgrace can cause a race condition with server shutdown, resulting in memory being accessed after it has been freed—especially in the case of reclaimstrhashtbl. We cannot...

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...

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-2026:22420-1 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-2026-51920

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the nfsd4 add rdaccess to wrdeleg function where the nfs4 file get access function may be incorrectly called to increment the nfs4 file access count if fp-fi fdsO RDON...

SUSE-SU-2026:2603-1 Security update for the Linux Kernel (Live Patch 80 for SUSE Linux Enterprise 12 SP5)

This update for the SUSE Linux Enterprise Kernel 4.12.14-122.302 fixes various security issues The following security issues were fixed: - CVE-2026-31402: nfsd: fix heap overflow in NFSv4.0 LOCK replay cache bsc1261640. - CVE-2026-31504: net: fix fanout UAF in packetrelease via NETDEVUP race...

Security update for the Linux Kernel (Live Patch 38 for SUSE Linux Enterprise 15 SP5)

This update for the SUSE Linux Enterprise Kernel 5.14.21-150500.55.149 fixes various security issues The following security issues were fixed: CVE-2026-31402: nfsd: fix heap overflow in NFSv4.0 LOCK replay cache bsc1261640. CVE-2026-31504: net: fix fanout UAF in packetrelease via NETDEVUP race...

SUSE-SU-2026:2601-1 Security update for the Linux Kernel (Live Patch 38 for SUSE Linux Enterprise 15 SP5)

This update for the SUSE Linux Enterprise Kernel 5.14.21-150500.55.149 fixes various security issues The following security issues were fixed: - CVE-2026-31402: nfsd: fix heap overflow in NFSv4.0 LOCK replay cache bsc1261640. - CVE-2026-31504: net: fix fanout UAF in packetrelease via NETDEVUP rac...

USN-8464-1: LIBNFS vulnerability

It was discovered that LIBNFS incorrectly handled certain string sizes when connecting to an NFS server. An attacker could use this issue to cause LIBNFS to crash, resulting in a denial of service, or possibly execute arbitrary code...

USN-8464-1 libnfs vulnerability

It was discovered that LIBNFS incorrectly handled certain string sizes when connecting to an NFS server. An attacker could use this issue to cause LIBNFS to crash, resulting in a denial of service, or possibly execute arbitrary code...

SUSE-SU-2026:2567-1 Security update for the Linux Kernel (Live Patch 26 for SUSE Linux Enterprise 15 SP5)

This update for the SUSE Linux Enterprise Kernel 5.14.21-150500.55.103 fixes various security issues The following security issues were fixed: - CVE-2026-31402: nfsd: fix heap overflow in NFSv4.0 LOCK replay cache bsc1261640. - CVE-2026-31504: net: fix fanout UAF in packetrelease via NETDEVUP rac...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: NFS/localio: Prevent direct reclaim recursion into NFS via nfswritepages. LOCALIO is an NFS loopback mount optimization that avoids using the network for READ, WRITE, and COMMIT operations when the NFS client and server are...