USN-7835-6 linux-aws-6.8 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; - PowerPC architecture; - x86 architecture; - ACPI drivers; - Ublk userspace block driver; -...

Moderate: Red Hat Security Advisory: kernel-rt security update

An update for kernel-rt is now available for Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is...

Moderate: Red Hat Security Advisory: kernel-rt security update

An update for kernel-rt is now available for Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is...

Moderate: Red Hat Security Advisory: kernel security update

An update for kernel is now available for Red Hat Enterprise Linux 10. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from th...

kernel: sunrpc: fix client side handling of tls alerts

In the Linux kernel, the following vulnerability has been resolved: sunrpc: fix client side handling of tls alerts A security exploit was discovered in NFS over TLS in tlsalertrecv due to its assumption that there is valid data in the msghdr's iterator's kvec. Instead, this patch proposes the...

Moderate: Red Hat Security Advisory: kernel security update

An update for kernel is now available for Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is...

Moderate: Red Hat Security Advisory: kernel-rt security update

An update for kernel-rt is now available for Red Hat Enterprise Linux 7 Extended Lifecycle Support. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available f...

kernel: nfsd: don't ignore the return code of svc_proc_register()

In the Linux kernel, the following vulnerability has been resolved: nfsd: don't ignore the return code of svcprocregister Currently, nfsdprocstatinit ignores the return value of svcprocregister. If the procfile creation fails, then the kernel will WARN when it tries to remove the entry later. Fix...

RHEL 7 : kernel-rt (RHSA-2025:21082)

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2025:21082 advisory. The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism...

RHEL 9 : kernel-rt (RHSA-2025:21136)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2025:21136 advisory. The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism...

RHEL 9 : kernel (RHSA-2025:21051)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2025:21051 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: eventpoll: Fix semi-unbounded...

RHEL 9 : kernel-rt (RHSA-2025:21128)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2025:21128 advisory. The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism...

RHEL 10 : kernel (RHSA-2025:21118)

The remote Redhat Enterprise Linux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2025:21118 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: dochangetype: refuse to...

SUSE-SU-2025:4057-1 Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP7 kernel was updated to fix various security issues The following security issues were fixed: - CVE-2025-38008: mm/pagealloc: fix race condition in unaccepted memory handling bsc1244939. - CVE-2025-38539: trace/fgraph: Fix the warning caused by missing unregister...

kernel: NFS: Fix potential buffer overflowin nfs_sysfs_link_rpc_client()

In the Linux kernel, the following vulnerability has been resolved: NFS: Fix potential buffer overflowin nfssysfslinkrpcclient name is char64 where the size of clnt-clprogram-name remains unknown. Invoking strcat directly will also lead to potential buffer overflow. Change them to strscpy and...

kernel: nfsd: clear acl_access/acl_default after releasing them

In the Linux kernel, the following vulnerability has been resolved: nfsd: clear aclaccess/acldefault after releasing them If getting acldefault fails, aclaccess and acldefault will be released simultaneously. However, aclaccess will still retain a pointer pointing to the released posixacl, which...

kernel: nfs: Clean up /proc/net/rpc/nfs when nfs_fs_proc_net_init() fails

In the Linux kernel, the following vulnerability has been resolved: nfs: Clean up /proc/net/rpc/nfs when nfsfsprocnetinit fails. syzbot reported a warning below 1 following a fault injection in nfsfsprocnetinit. 0 When nfsfsprocnetinit fails, /proc/net/rpc/nfs is not removed. Later, rpcprocexit...

kernel: NFSD: fix hang in nfsd4_shutdown_callback

In the Linux kernel, the following vulnerability has been resolved: NFSD: fix hang in nfsd4shutdowncallback If nfs4client is in courtesy state then there is no point to send the callback. This causes nfsd4shutdowncallback to hang since clcbinflight is not 0. This hang lasts about 15 minutes until...

kernel: nfsd: release svc_expkey/svc_export with rcu_work

In the Linux kernel, the following vulnerability has been resolved: nfsd: release svcexpkey/svcexport with rcuwork The last reference for cachehead can be reduced to zero in cshow and eshowusing rcureadlock and rcureadunlock. Consequently, svcexportput and expkeyput will be invoked, leading to tw...

USN-7865-1 linux-fips vulnerabilities

Jean-Claude Graf, Sandro Rüegge, Ali Hajiabadi, and Kaveh Razavi discovered that the Linux kernel contained insufficient branch predictor isolation between a guest and a userspace hypervisor for certain processors. This flaw is known as VMSCAPE. An attacker in a guest VM could possibly use this t...