SUSE-SU-2026:2195-1 Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP6 kernel was updated to fix various security issues The following security issues were fixed: - CVE-2023-2058: x86/CPU: Fix FPDSS on Zen1 bsc1243603. - CVE-2025-54518: x86/CPU/AMD: Prevent improper isolation of shared resources in Zen2's op cache bsc1264013. -...

RLSA-2026:19569 Important: kernel security update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: net: afcan: do not leave a dangling sk pointer in cancreate CVE-2024-56603 kernel: net/sched: Make cakeenqueue return NETXMITCN when past bufferlimit CVE-2025-39766 kernel: crypto:...

Ubuntu 24.04 LTS / 25.10 : Linux kernel (Azure) vulnerabilities (USN-8310-1)

"The remote Ubuntu 24.04 LTS / 25.10 host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-8310-1 advisory. It was discovered that the Linux kernel algifaead module did not properly handle in-place cryptographic operations. This flaw is known as Copy...

USN-8310-1: Linux kernel (Azure) vulnerabilities

It was discovered that the Linux kernel algifaead module did not properly handle in-place cryptographic operations. This flaw is known as Copy Fail. A local attacker could use this to escalate privileges, or possibly escape a container. CVE-2026-31431 Several security issues were discovered in th...

USN-8310-1 linux-azure, linux-azure-6.17 vulnerabilities

It was discovered that the Linux kernel algifaead module did not properly handle in-place cryptographic operations. This flaw is known as Copy Fail. A local attacker could use this to escalate privileges, or possibly escape a container. CVE-2026-31431 Several security issues were discovered in th...

USN-8289-2: Linux kernel (NVIDIA) vulnerabilities

It was discovered that the Linux kernel algifaead module did not properly handle in-place cryptographic operations. This flaw is known as Copy Fail. A local attacker could use this to escalate privileges, or possibly escape a container. CVE-2026-31431 Several security issues were discovered in th...

Ubuntu 20.04 LTS : Linux kernel (GCP) vulnerabilities (USN-8297-1)

The remote Ubuntu 20.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-8297-1 advisory. Stonejiajia, Shir Tamari and Sagi Tzadik discovered that the OverlayFS implementation in the Ubuntu Linux kernel did not properly perform permission chec...

USN-8277-2 linux-oracle-6.17 vulnerabilities

It was discovered that the Linux kernel algifaead module did not properly handle in-place cryptographic operations. This flaw is known as Copy Fail. A local attacker could use this to escalate privileges, or possibly escape a container. CVE-2026-31431 Several security issues were discovered in th...

Astra Linux - уязвимость в linux-5.10, linux-6.1, linux, linux-5.15

In the Linux kernel, the following vulnerability has been resolved: NFSD: Prevention of potential integer overflows If the tag length is greater than or equal to U32MAX – 3, the addition of “length + 4” can lead to an integer overflow. This issue can be addressed by breaking down the decoding...

Astra Linux - уязвимость в linux-5.10

In the Linux kernel, the following vulnerability has been resolved: nfsd: move the initialization of the reply cache cache counters back into nfsdinitnet The commit f5f9d4a314da “nfsd: move the reply cache initialization into nfsd startup” moved the initialization of the reply cache into nfsd...

USN-8180-6: Linux kernel (Raspberry Pi) vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - ARM64 architecture; - Block layer subsystem; - Drivers core; - Bluetooth drivers; - DMA engine subsystem; - GPU...

USN-8257-1: Linux kernel (Raspberry Pi) vulnerabilities

Josh Eads, Kristoffer Janke, Eduardo Vela Nava, Tavis Ormandy, and Matteo Rizzo discovered that some AMD Zen processors did not properly verify the signature of CPU microcode. This flaw is known as EntrySign. A privileged attacker could possibly use this issue to cause load malicious CPU microcod...

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...

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...

Astra Linux - уязвимость в linux-5.10

In the Linux kernel, the following vulnerability has been resolved: NFSD: Fix nfsd4encodefattr4 crasher Ensure that args.acl is initialized early. It is used in an unconditional call to kfree on the way out of nfsd4encodefattr4...

Astra Linux - уязвимость в linux-5.10

In the Linux kernel, the following vulnerability has been resolved: nfsd: fix handling of cached open files in nfsd4open codepath Commit fb70bf124b05 "NFSD: Instantiate a struct file when creating a regular NFSv4 file" added the ability to cache an open fd over a compound. There are a couple of...

Astra Linux - уязвимость в linux-5.10

In the Linux kernel, the following vulnerability has been resolved: nfsd: avoid ref leak in nfsdopenlocalfh If two calls to nfsdopenlocalfh race and both successfully call nfsdfileacquirelocal, they will both get an extra reference to the net to accompany the file reference stored in pnf. One of...

Astra Linux - уязвимость в linux-5.15, linux-5.10, linux

In the Linux kernel, the following vulnerabilities have been resolved: nfsd: Under NFSv4.1, fix the issue where double svcxprtput operations on rpccreate cause failures. In case of an error, clp-clcbconn.cbxprt should not be referenced as referring to xprt. Otherwise, both client cleanup and erro...

CLSA-2026-1777636990 Fix of 9 CVEs

CVE-2026-31431 - crypto: scatterwalk - Backport memcpysglist CVE-2026-31431 - crypto: algifaead - use memcpysglist instead of null skcipher CVE-2026-31431 - crypto: algifaead - Revert to operating out-of-place CVE-2026-31431 - crypto: algifaead - snapshot IV for async AEAD requests CVE-2026-31431...