kernel: iommu/vt-d: Avoid NULL pointer dereference or refcount corruption

A flaw was found in the Linux kernel's Input-Output Memory Management Unit IOMMU virtualized direct memory access VT-d component. This vulnerability occurs when the system attempts to perform cleanup operations without a valid device identifier, leading to a null pointer dereference or incorrect...

Updated sqlite3 packages fix security vulnerabilities

CVE-2026-50812: A NULL pointer dereference in the SQLite Session Extension in SQLite 3.53.1 and SQLite trunk builds before check-in e807d4e3798efd53 allows an attacker who can supply a malformed changeset blob to cause a denial of service. The issue occurs when sqlite3changesetapplyv3 applies a...

Linux Distros Unpatched Vulnerability : CVE-2026-64545

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - net, bpf: check master for NULL in xdpmasterredirect xdpmasterredirect dereferences the result of netdevmasterupperdevgetrcu without a NULL check, but that help...

CentOS 9 : kernel-5.14.0-729.el9

The remote CentOS Linux 9 host has packages installed that are affected by a vulnerability as referenced in the kernel-5.14.0-729.el9 build changelog. - In the Linux kernel, the following vulnerability has been resolved: lib/buildid: use kernelread for sleepable context Prevent a BUG: unable to...

RHEL 10 : httpd (RHSA-2026:47046)

The remote Redhat Enterprise Linux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:47046 advisory. The httpd packages provide the Apache HTTP Server, a powerful, efficient, and extensible web server. Security Fixes: httpd: incomplete fix...

Linux Distros Unpatched Vulnerability : CVE-2026-17574

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - HDF5 contains a NULL pointer dereference vulnerability. Processing a crafted HDF5 file containing an attribute with an invalid variable-length datatype type fie...

PT-2026-65474

The EVTCHNOP expand array hypercall checks for whether FIFO event channels are enabled, but without holding the correct lock. It can race with EVTCHNOP reset, resulting in dereferencing a NULL pointer...

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: xfrm: Duplicate SPI Handling CVE-2025-39797 kernel: lib/buildid: use kernelread for sleepable context CVE-2026-23002 kernel: futex: Drop CLONETHREAD requirement for private default hash...

Rocky Linux Security Update for glibc (RLSA-2026:2786) and kernel (RLSA-2026:2722)

Brocade SANnav OVA has provided security updates for Multiple vulnerabilities ias referenced in glibc RLSA-2026:2786, kernel RLSA-2026:2722 glibc RLSA-2026:2786 glibc: Integer overflow in memalign leads to heap corruption CVE-2026-0861 glibc: glibc: Information disclosure via zero-valued network...

CVE-2026-64545

In the Linux kernel, the following vulnerability has been resolved: net, bpf: check master for NULL in xdpmasterredirect xdpmasterredirect dereferences the result of netdevmasterupperdevgetrcu without a NULL check, but that helper returns NULL when the receiving device has no upper-master...

CVE-2026-64538

In the Linux kernel, the following vulnerability has been resolved: ipv6: Fix null-ptr-deref in fib6nhmtuchange. fib6nhmtuchange re-fetches idev via in6devgetarg-dev and dereferences idev-cnf.mtu6 without a NULL check. addrconfifdown clears dev-ip6ptr with RCUINITPOINTER after rt6disableip has...

CVE-2026-64552

In the Linux kernel, the following vulnerability has been resolved: virtio-net: fix len check in receivebig receivebig bounds the device-announced length by bigpacketsnumskbfrags + 1 PAGESIZE. That is still too loose: addrecvbufbig sets sg1 to start at offset sizeofstruct paddedvnethdr into the...

UBUNTU-CVE-2026-64538

In the Linux kernel, the following vulnerability has been resolved: ipv6: Fix null-ptr-deref in fib6nhmtuchange. fib6nhmtuchange re-fetches idev via in6devgetarg-dev and dereferences idev-cnf.mtu6 without a NULL check. addrconfifdown clears dev-ip6ptr with RCUINITPOINTER after rt6disableip has...

CVE-2026-64538

In the Linux kernel, the following vulnerability has been resolved: ipv6: Fix null-ptr-deref in fib6nhmtuchange. fib6nhmtuchange re-fetches idev via in6devgetarg-dev and dereferences idev-cnf.mtu6 without a NULL check. addrconfifdown clears dev-ip6ptr with RCUINITPOINTER after rt6disableip has...

CVE-2026-64542

In the Linux kernel, the following vulnerability has been resolved: ipv6: ndisc: fix NULL deref in acceptuntrackedna acceptuntrackedna re-fetches the inet6dev with in6devgetdev and dereferences idev-cnf.acceptuntrackedna without a NULL check, even though its only caller ndiscrecvna already fetche...

CVE-2026-64545

In the Linux kernel, the following vulnerability has been resolved: net, bpf: check master for NULL in xdpmasterredirect xdpmasterredirect dereferences the result of netdevmasterupperdevgetrcu without a NULL check, but that helper returns NULL when the receiving device has no upper-master...

CVE-2026-64545 net, bpf: check master for NULL in xdp_master_redirect()

In the Linux kernel, the following vulnerability has been resolved: net, bpf: check master for NULL in xdpmasterredirect xdpmasterredirect dereferences the result of netdevmasterupperdevgetrcu without a NULL check, but that helper returns NULL when the receiving device has no upper-master...

CVE-2026-64545

The CVE-2026-64545 issue is in the Linux kernel’s XDP path: xdp_master_redirect() dereferences the result of netdev_master_upper_dev_get_rcu() without checking for NULL. The helper can return NULL when the receiving device has no upper-master adjacency, and a race window during bond slave release...

EUVD-2026-49596

In the Linux kernel, the following vulnerability has been resolved: net, bpf: check master for NULL in xdpmasterredirect xdpmasterredirect dereferences the result of netdevmasterupperdevgetrcu without a NULL check, but that helper returns NULL when the receiving device has no upper-master...

CVE-2026-64545

In the Linux kernel, the following vulnerability has been resolved: net, bpf: check master for NULL in xdpmasterredirect xdpmasterredirect dereferences the result of netdevmasterupperdevgetrcu without a NULL check, but that helper returns NULL when the receiving device has no upper-master...