AlmaLinux 9 : kernel (ALSA-2026:66180)

The remote AlmaLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2026:66180 advisory. kernel: KVM: nSVM: Always use vmcb01 in VMLOAD/VMSAVE emulation CVE-2026-43133 kernel: ipv6: prevent possible UaF in addrconfpermanentaddr CVE-2026-43339...

PT-2026-90348

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the SMB client where the reparse buf ptr function reads the ReparseDataLength variable before verifying that the count covers the full fixed header. If a server return...

CVE-2026-89633: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix OOB read/write from unvalidated DataOffset in coalescet2 coalescet2 computes data pointers directly from server-supplied DataOffset fields with no validation against buffer bounds: dataareaoftgt = char...

PT-2026-96517

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix ALIGN overflow in symlink data error context loop The check added by commit 7d9a7f1f96cd "smb/client: fix possible infinite loop and oob read in symlink data" compared the post-ALIGN length against the remaining...

PT-2026-90350

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An integer overflow exists in the SMB client within the symlink data function. The issue occurs when the ALIGN macro is used to process ErrorDataLength. If ErrorDataLength is near UINT32...

PT-2026-90347

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the SMB client where the CIFSTCon function incorrectly handles tree connect responses with a ByteCount of 0 or 1. In these cases, the calculation of the byte area...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-107281)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-107281 advisory. In the Linux kernel, the following vulnerability has been resolved: smb: client: fix potential UAF in smb2isvalidoplockbreak Skip sessions that are being teared down...

PT-2026-90346

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the SMB client where the data offset bound in the is valid oplock break function was incorrectly calculated. A change intended to remove the RFC1002 header from smb hd...

kernel: smb: client: fix double-free in SMB2_close() replay

A flaw was found in the Linux kernel's Server Message Block SMB client. A vulnerability exists in the SMB2close replay mechanism where a response buffer can be freed twice. This double-free condition can lead to memory corruption, potentially resulting in a denial of service or the execution of...

AlmaLinux 8 : kernel (ALSA-2026:66000)

The remote AlmaLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2026:66000 advisory. kernel: crypto: pcrypt - Fix handling of MAYBACKLOG requests CVE-2026-43493 kernel: netfilter: conntrack: remove sprintf usage CVE-2026-53002 kernel:...

kernel: smb: client: validate DFS referral PathConsumed

A flaw was found in the Linux kernel's Server Message Block SMB client. A remote attacker could send a specially crafted SMB response containing a malformed Distributed File System DFS referral. This could cause the PathConsumed value to exceed the search name length, leading to an out-of-bounds...

Important: Red Hat Security Advisory: kernel security update

An update for kernel is now available for Red Hat Enterprise Linux 8. 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 rating, is available for each vulnerability from th...

kernel security update

An update is available for kernel. This update affects Rocky Linux 9. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list The kernel packages contain the Linux kernel, the core of any Linux operating...

RLSA-2026:64808 Important: kernel security update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: can: bcm: add locking for bcmop runtime updates CVE-2025-38004 kernel: iouring/poll: fix signed comparison in iopollgetownership CVE-2026-52933 kernel: netfilter: nat: use kfreercu to...

RLSA-2026:64770 Important: kernel-rt security update

The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements. Security Fixes: kernel: crypto: pcrypt - Fix handling of MAYBACKLOG requests CVE-2026-43493 kernel: netfilter: conntrack: remove sprintf usage...

kernel-rt security update

An update is available for kernel-rt. This update affects Rocky Linux 8. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list The kernel-rt packages provide the Real Time Linux Kernel, which enables...

kernel: smb/client: fix out-of-bounds read in smb2_compound_op()

A flaw was found in the Linux kernel's Server Message Block SMB client. A remote attacker, acting as a malicious SMB server, could send a specially crafted, truncated response with an oversized buffer length. This could lead to an out-of-bounds read in the smb2compoundop function, allowing the...

ALSA-2026:66000 Important: kernel security update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: crypto: pcrypt - Fix handling of MAYBACKLOG requests CVE-2026-43493 kernel: netfilter: conntrack: remove sprintf usage CVE-2026-53002 kernel: netfilter: synproxy: refresh tcphdr after...

ALSA-2026:66180 Important: kernel security, bug fix, and enhancement update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: KVM: nSVM: Always use vmcb01 in VMLOAD/VMSAVE emulation CVE-2026-43133 kernel: ipv6: prevent possible UaF in addrconfpermanentaddr CVE-2026-43339 kernel: crypto: pcrypt - Fix handling of...

Important: kernel security update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: crypto: pcrypt - Fix handling of MAYBACKLOG requests CVE-2026-43493 kernel: netfilter: conntrack: remove sprintf usage CVE-2026-53002 kernel: netfilter: synproxy: refresh tcphdr after...