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...

K000161823: Linux kernel vulnerability CVE-2025-71095

Security Advisory Description In the Linux kernel, the following vulnerability has been resolved: net: stmmac: fix the crash issue for zero copy XDPTX action There is a crash issue when running zero copy XDPTX action, the crash log is shown below. 216.122464 Unable to handle kernel paging request...

Amazon Linux 2023 : bpftool6.18, kernel6.18, kernel6.18-devel (ALAS2023-2026-1864)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2026-1864 advisory. In the Linux kernel, the following vulnerability has been resolved: smb: client: reject userspace cifs.spnego descriptions CVE-2026-46243 In the Linux kernel, the following vulnerability has...

Amazon Linux 2023 : bpftool, kernel, kernel-devel (ALAS2023-2026-1865)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2026-1865 advisory. In the Linux kernel, the following vulnerability has been resolved: smb: client: reject userspace cifs.spnego descriptions CVE-2026-46243 In the Linux kernel, the following vulnerability has...

net: gro: don't merge zcopy skbs

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CVE-2026-46323

A flaw was found in the Linux kernel's Generic Receive Offload GRO networking subsystem. This vulnerability occurs when skbgroreceive attempts to merge zerocopy socket buffers skbs without properly managing page reference counts, specifically when the SKBFLMANAGEDFRAGREFS flag is set. An attacker...

UBUNTU-CVE-2026-46323

In the Linux kernel, the following vulnerability has been resolved: net: gro: don't merge zcopy skbs skbgroreceive can currently copy frags between the source and GRO skb, without checking the zerocopy status, and in particular the SKBFLMANAGEDFRAGREFS flag. When SKBFLMANAGEDFRAGREFS is set, the...

CVE-2026-46323 net: gro: don't merge zcopy skbs

In the Linux kernel, the following vulnerability has been resolved: net: gro: don't merge zcopy skbs skbgroreceive can currently copy frags between the source and GRO skb, without checking the zerocopy status, and in particular the SKBFLMANAGEDFRAGREFS flag. When SKBFLMANAGEDFRAGREFS is set, the...

CVE-2026-46323

In the Linux kernel, the following vulnerability has been resolved: net: gro: don't merge zcopy skbs skbgroreceive can currently copy frags between the source and GRO skb, without checking the zerocopy status, and in particular the SKBFLMANAGEDFRAGREFS flag. When SKBFLMANAGEDFRAGREFS is set, the...

CVE-2026-46323

CVE-2026-46323 affects the Linux kernel’s networking GRO path. The issue occurs in skb_gro_receive() where fragments can be copied between the source and GRO skbs without respecting zerocopy status, notably when SKBFL_MANAGED_FRAG_REFS is set. When this flag is present, pages in shinfo->frags ...

EUVD-2026-35413

In the Linux kernel, the following vulnerability has been resolved: net: gro: don't merge zcopy skbs skbgroreceive can currently copy frags between the source and GRO skb, without checking the zerocopy status, and in particular the SKBFLMANAGEDFRAGREFS flag. When SKBFLMANAGEDFRAGREFS is set, the...

CVE-2026-46323 net: gro: don't merge zcopy skbs

In the Linux kernel, the following vulnerability has been resolved: net: gro: don't merge zcopy skbs skbgroreceive can currently copy frags between the source and GRO skb, without checking the zerocopy status, and in particular the SKBFLMANAGEDFRAGREFS flag. When SKBFLMANAGEDFRAGREFS is set, the...

CVE-2026-46323

In the Linux kernel, the following vulnerability has been resolved: net: gro: don't merge zcopy skbs skbgroreceive can currently copy frags between the source and GRO skb, without checking the zerocopy status, and in particular the SKBFLMANAGEDFRAGREFS flag. When SKBFLMANAGEDFRAGREFS is set, the...

PT-2026-47760

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The skb gro receive function fails to check the zerocopy status, specifically the SKBFL MANAGED FRAG REFS flag, when copying fragments between the source and Generic Receive Offload GRO...