SUSE-SU-2026:22281-1 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-2026-53250

In the Linux kernel, the following vulnerability has been resolved: xsk: cache csumstart/csumoffset to fix TOCTOU in xskskbmetadata The TX metadata area resides in the UMEM buffer which is memory-mapped and concurrently writable by userspace. In xskskbmetadata, csumstart and csumoffset are read...

CVE-2026-53250

In the Linux kernel, the following vulnerability has been resolved: xsk: cache csumstart/csumoffset to fix TOCTOU in xskskbmetadata The TX metadata area resides in the UMEM buffer which is memory-mapped and concurrently writable by userspace. In xskskbmetadata, csumstart and csumoffset are read...

SUSE CVE-2026-52943

In the Linux kernel, the following vulnerability has been resolved: net: skbuff: fix missing zerocopy reference in pskbcarve helpers pskbcarveinsideheader and pskbcarveinsidenonlinear both copy the old skbsharedinfo header into a new buffer via memcpy, which includes the destructorarg pointer uar...

CVE-2026-52994

The CVE-2026-52994 vulnerability affects the Linux kernel’s vsock/virtio code, where the MSG_ZEROCOPY pinned-pages accounting could bypass RLIMIT_MEMLOCK on the last skb due to iter->count being consumed earlier. The fix makes pkt_len (the total bytes sent) the parameter to virtio_transport_in...

CVE-2026-52994 vsock/virtio: fix MSG_ZEROCOPY pinned-pages accounting

In the Linux kernel, the following vulnerability has been resolved: vsock/virtio: fix MSGZEROCOPY pinned-pages accounting virtiotransportinitzcopyskb uses iter-count as the size argument for msgzerocopyrealloc, which in turn passes it to mmaccountpinnedpages for RLIMITMEMLOCK accounting. However,...

CVE-2026-52994

In the Linux kernel, the following vulnerability has been resolved: vsock/virtio: fix MSGZEROCOPY pinned-pages accounting virtiotransportinitzcopyskb uses iter-count as the size argument for msgzerocopyrealloc, which in turn passes it to mmaccountpinnedpages for RLIMITMEMLOCK accounting. However,...

CVE-2026-52943

A flaw was found in the Linux kernel. The pskbcarveinsideheader and pskbcarveinsidenonlinear helper functions, which handle network packet buffers, do not correctly account for zero-copy references. This oversight can lead to a use-after-free vulnerability, where memory is prematurely released...

SUSE-SU-2026:22487-1 Security update for the Linux Kernel RT (Live Patch 19 for SUSE Linux Enterprise Micro 6.0)

This update for the SUSE Linux Enterprise Kernel 6.4.0-41.1 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 bsc126308...

SUSE-SU-2026:22407-1 Security update for the Linux Kernel RT (Live Patch 14 for SUSE Linux Enterprise Micro 6.0)

This update for the SUSE Linux Enterprise Kernel 6.4.0-38.1 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-2026:22409-1 Security update for the Linux Kernel RT (Live Patch 18 for SUSE Linux Enterprise Micro 6.0)

This update for the SUSE Linux Enterprise Kernel 6.4.0-40.1 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-2026:22472-1 Security update for the Linux Kernel (Live Patch 12 for SUSE Linux Enterprise Micro 6.0)

This update for the SUSE Linux Enterprise Kernel 6.4.0-35.1 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-2026:22467-1 Security update for the Linux Kernel (Live Patch 14 for SUSE Linux Enterprise Micro 6.0)

This update for the SUSE Linux Enterprise Kernel 6.4.0-38.1 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-2026:2607-1 Security update for the Linux Kernel (Live Patch 44 for SUSE Linux Enterprise 15 SP4)

This update for the SUSE Linux Enterprise Kernel 5.14.21-150400.24.176 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...

PT-2026-51888

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the vsock/virtio implementation regarding MSG ZEROCOPY pinned-pages accounting. The function virtio transport init zcopy skb uses iter-count as the size argument for m...

Security update for the Linux Kernel (Live Patch 72 for SUSE Linux Enterprise 12 SP5)

This update for the SUSE Linux Enterprise Kernel 4.12.14-122.272 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-2026:2571-1 Security update for the Linux Kernel (Live Patch 30 for SUSE Linux Enterprise 15 SP5)

This update for the SUSE Linux Enterprise Kernel 5.14.21-150500.55.121 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...

SUSE-SU-2026:2592-1 Security update for the Linux Kernel (Live Patch 79 for SUSE Linux Enterprise 12 SP5)

This update for the SUSE Linux Enterprise Kernel 4.12.14-122.299 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...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: rxrpc: DATA/RESPONSE packets are also unshared when paged fragments are present. The DATA-packet handler in rxrpcinputcallevent and the RESPONSE handler in rxrpcverifyresponse copy the skb into a linear sequence before calling...

SUSE-SU-2026:2559-1 Security update for the Linux Kernel (Live Patch 23 for SUSE Linux Enterprise 15 SP6)

This update for the SUSE Linux Enterprise Kernel 6.4.0-150600.23.100 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...