Ubuntu 18.04 LTS / 20.04 LTS : Linux kernel vulnerabilities (USN-8851-1)

The remote Ubuntu 18.04 LTS / 20.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-8851-1 advisory. Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update...

Ubuntu 20.04 LTS : Linux kernel (BlueField) vulnerabilities (USN-8850-1)

The remote Ubuntu 20.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-8850-1 advisory. Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in...

USN-8851-1: Linux kernel 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: - Network file system NFS server daemon; - IPv6 networking; - Netfilter; CVE-2025-38724, CVE-2026-53131, CVE-2026-532...

USN-8850-1 linux-bluefield 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: - Network file system NFS server daemon; - OCFS2 file system; - IPv6 networking; - Netfilter; - SCTP protocol;...

USN-8850-1: Linux kernel (BlueField) 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: - Network file system NFS server daemon; - OCFS2 file system; - IPv6 networking; - Netfilter; - SCTP protocol;...

USN-8819-4: Linux kernel (FIPS) 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: - Network file system NFS server daemon; - IPv6 networking; - Netfilter; CVE-2025-38724, CVE-2026-53131, CVE-2026-532...

USN-8819-4 linux-aws-fips, linux-azure-fips, linux-fips 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: - Network file system NFS server daemon; - IPv6 networking; - Netfilter; CVE-2025-38724, CVE-2026-53131, CVE-2026-532...

USN-8819-3: Linux kernel 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: - Network file system NFS server daemon; - IPv6 networking; - Netfilter; CVE-2025-38724, CVE-2026-53131, CVE-2026-532...

USN-8819-3 linux-aws-hwe, linux-azure, linux-azure-4.15 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: - Network file system NFS server daemon; - IPv6 networking; - Netfilter; CVE-2025-38724, CVE-2026-53131, CVE-2026-532...

Ubuntu 16.04 LTS / 18.04 LTS : Linux kernel vulnerabilities (USN-8819-1)

The remote Ubuntu 16.04 LTS / 18.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-8819-1 advisory. Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update...

USN-8819-2: Linux kernel 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: - Network file system NFS server daemon; - IPv6 networking; - Netfilter; CVE-2025-38724, CVE-2026-53131, CVE-2026-532...

USN-8819-2 linux-aws, linux-gcp, linux-gcp-4.15, linux-gcp-fips 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: - Network file system NFS server daemon; - IPv6 networking; - Netfilter; CVE-2025-38724, CVE-2026-53131, CVE-2026-532...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: NFSD: Protection against send buffer overflow in NFSv2 READDIR. The previous limit on the @count argument has been restored to prevent buffer overflow attacks...

CVE-2026-89708 nfsd: RCU-protect cl_cb_session to fix use-after-free on session teardown

In the Linux kernel, the following vulnerability has been resolved: nfsd: RCU-protect clcbsession to fix use-after-free on session teardown After a DESTROYSESSION the per-session teardown path can free a session while rpciod still holds an inflight callback rpctask that dereferences...

PT-2026-89893

WAVLINK WN535M1 and WN535M3 routers running firmware prior to M35M1 V250922 contain an unauthenticated arbitrary file write vulnerability that allows remote attackers to overwrite any file on the device by sending a crafted payload to the sync server daemon on TCP port 13136. The daemon, which ru...

PT-2026-89894

WAVLINK WN535M1 and WN535M3 routers running firmware prior to M35M1 V250922 contain an unauthenticated OS command injection vulnerability that allows remote attackers to execute arbitrary commands as root by sending crafted filenames to the sync server daemon on TCP port 13136. The daemon...

FreeBSD : NSD -- multiple vulnerabilities (a711b018-a24b-11f1-81e6-3c7c3fba4204)

The version of FreeBSD installed on the remote host is prior to tested version. It is, therefore, affected by multiple vulnerabilities as referenced in the a711b018-a24b-11f1-81e6-3c7c3fba4204 advisory. NLnet Labs reports: Tenable has extracted the preceding description block directly from the...

CVE-2026-9030

A denial-of-service vulnerability exists in httpd service on Archer A6 v4 where the asynchronous systool instruction handlng path in httpd does not properly synchronize or safely manage concurrent systool operations. By sending crafted systool instructions through the asynchronous request path,...

Fedora 43 : nsd (2026-0b77a23312)

The remote Fedora 43 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-0b77a23312 advisory. FEATURES: Merge 483 from ruuda: Improve Prometheus metrics: Move zonestats from metric name to label BUG FIXES: Fix 478: Feature request: reduce...

openSUSE 16 Security Update : nsd (openSUSE-SU-2026:21502-1)

The remote openSUSE 16 host has a package installed that is affected by multiple vulnerabilities as referenced in the openSUSE-SU-2026:21502-1 advisory. Changes in nsd: - Update nsd.keyring - update to 4.14.3: https://github.com/NLnetLabs/nsd/blob/NSD4143REL/doc/ChangeLog CVE-2026-12490: Bypass o...