CVE-2026-31402

🛡️ CVE-2026-31402 – NFSv4 LOCK 重放缓存堆溢出 CVE-2026-31402：Linux NFS 中隐藏了 23 年的 Bug 📌 概述 CVE-2026-31402 是 Linux 内核 NFSv4.0 LOCK 重放缓存 中的一个 堆溢出漏洞 ，源于对大于固定缓冲区大小的响应处理不当，可能导致 内存损坏 。 🛠 受影响组件 组件： NFSv4 LOCK 重放缓存 受影响系统： 支持 NFS 服务器的 Linux 内核 漏洞类型： 堆溢出 / 内存损坏 ⚠️ 描述 该漏洞的产生原因是 NFSv4 重放缓存将响应存储在固定大小的 112 字节缓冲区中。某些...

Unity Linux 20.1050a Security Update: kernel (UTSA-2026-098790)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-098790 advisory. In the Linux kernel, the following vulnerability has been resolved: nfsd: fix heap overflow in NFSv4.0 LOCK replay cache The NFSv4.0 replay cache uses a fixed 112-by...

SUSE-SU-2026:3123-1 Security update for shibboleth-sp

This update for shibboleth-sp fixes the following issue: - CVE-2025-9943: SQL injection in the 'ID' attribute of the SAML response when the replay cache of the Shibboleth Service Provider SP is configured to use an SQL database as storage service bsc1249394...

SUSE-SU-2026:3098-1 Security update for shibboleth-sp

This update for shibboleth-sp fixes the following issue: - CVE-2025-9943: SQL injection in the 'ID' attribute of the SAML response when the replay cache of the Shibboleth Service Provider SP is configured to use an SQL database as storage service bsc1249394...

kernel: nfsd: fix heap overflow in NFSv4.0 LOCK replay cache

A flaw was found in the Linux kernel's NFSv4.0 server nfsd. A remote, unauthenticated attacker can exploit this heap overflow vulnerability in the NFSv4.0 LOCK replay cache. By using two cooperating NFSv4.0 clients, where one sets a lock with a large owner string and another requests a conflictin...

kernel: nfsd: fix heap overflow in NFSv4.0 LOCK replay cache

A flaw was found in the Linux kernel's NFSv4.0 server nfsd. A remote, unauthenticated attacker can exploit this heap overflow vulnerability in the NFSv4.0 LOCK replay cache. By using two cooperating NFSv4.0 clients, where one sets a lock with a large owner string and another requests a conflictin...

Important: Red Hat Security Advisory: kpatch-patch-5_14_0-427_100_1, kpatch-patch-5_14_0-427_113_1, kpatch-patch-5_14_0-427_126_1, kpatch-patch-5_14_0-427_68_2, and kpatch-patch-5_14_0-427_84_1 security update

An update for multiple packages is now available for Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity...

kernel: nfsd: fix heap overflow in NFSv4.0 LOCK replay cache

A flaw was found in the Linux kernel's NFSv4.0 server nfsd. A remote, unauthenticated attacker can exploit this heap overflow vulnerability in the NFSv4.0 LOCK replay cache. By using two cooperating NFSv4.0 clients, where one sets a lock with a large owner string and another requests a conflictin...

kernel: nfsd: fix heap overflow in NFSv4.0 LOCK replay cache

A flaw was found in the Linux kernel's NFSv4.0 server nfsd. A remote, unauthenticated attacker can exploit this heap overflow vulnerability in the NFSv4.0 LOCK replay cache. By using two cooperating NFSv4.0 clients, where one sets a lock with a large owner string and another requests a conflictin...

ANT-2026-M3T0RBQ8 · torvalds/linux · Heap Buffer Overflow

heap-buffer-overflow high Severity Claude high · Security research firm - · Maintainer - REPORT Anthropic's analysis of this finding, sealed at approval. ANT-2026-M3T0RBQ8: NFSD: remotely exploitable heap buffer overflow in NFSv4.0 LOCK replay cache The NFSv4.0 seqid replay cache embeds a fixed...

SUSE SLES15: kernel-livepatch-6_4_0-150600_23_95-default / etc (SUSE-SU-2026:2520-1)

The remote SUSE Linux SLES15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:2520-1 advisory. This update for the SUSE Linux Enterprise Kernel 6.4.0-150600.23.95 fixes various security issues The following security issues were fixed: -...

SUSE SLES12 Security Update : kernel (Live Patch 69 for SUSE Linux Enterprise 12 SP5) (SUSE-SU-2026:2494-1)

The remote SUSE Linux SLES12 host has a package installed that is affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:2494-1 advisory. This update for the SUSE Linux Enterprise Kernel 4.12.14-122.261 fixes various security issues The following security issues were fixed: -...

SUSE-SU-2026:22476-1 Security update for the Linux Kernel (Live Patch 23 for SUSE Linux Enterprise Micro 6.0)

This update for the SUSE Linux Enterprise Kernel 6.4.0-46.1 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-2026:22388-1 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...

SUSE-SU-2026:22390-1 Security update for the Linux Kernel (Live Patch 3 for SUSE Linux Enterprise 16)

This update for the SUSE Linux Enterprise Kernel 6.12.0-160000.8.1 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...

CVE-2026-41000

A flaw was found in Spring Web Services. The security interceptor in the affected component did not properly integrate replay cache mechanisms. This vulnerability could allow a remote attacker to bypass replay protections for security tokens, such as UsernameToken nonces and SAML one-time-use...

SUSE-SU-2026:22491-1 Security update for the Linux Kernel RT (Live Patch 23 for SUSE Linux Enterprise Micro 6.0)

This update for the SUSE Linux Enterprise Kernel 6.4.0-46.1 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-2026:22472-1 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-2026:22397-1 Security update for the Linux Kernel RT (Live Patch 9 for SUSE Linux Enterprise Micro 6.0)

This update for the SUSE Linux Enterprise Kernel 6.4.0-33.1 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...

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...