Fedora 43 : xen (2026-a9ea805bc1)

The remote Fedora 43 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-a9ea805bc1 advisory. x86: DMs may cause mem leak by IRQ binding XSA-509, CVE-2026-62437 x86: improper handling of HVM emulation return codes XSA-510, CVE-2026-79602...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: arm64/sme: Always exit smealloc early with existing storage When smealloc is called with existing storage and we do not flush it, we will always allocate new storage, resulting in the loss of the existing storage and corruption o...

CVE-2026-80932 vsock/virtio: flush works in dependency order

In the Linux kernel, the following vulnerability has been resolved: vsock/virtio: flush works in dependency order virtiovsockremove stops the virtqueues and then flushes each work item before freeing the enclosing virtiovsock. The current order does not account for dependencies between those item...

PT-2026-90371

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A Use-After-Free UAF issue exists in the ceph component of the Linux kernel. The kick flushing caps function iterates through the ci-i cap flush list using list for each entry but releas...

PT-2026-96609

In the Linux kernel, the following vulnerability has been resolved: ceph: fix UAF in kick flushing caps on cf entry freed during unlock list for each entry iterates ci-i cap flush list but drops i ceph lock to send cap messages. During the unlock window, handle cap flush ack can acquire i ceph...

Security update for xen

This update for xen fixes the following issues: CVE-2026-62437: x86: DMs may cause mem leak by IRQ binding bsc1276838. CVE-2026-79602: x86: improper handling of HVM emulation return codes bsc1276839. CVE-2026-79603: unconditionally do TLB flushing ahead of page scrubbing bsc1276841. Special...

SUSE-SU-2026:4088-1 Security update for xen

This update for xen fixes the following issues: - CVE-2026-62437: x86: DMs may cause mem leak by IRQ binding bsc1276838. - CVE-2026-79602: x86: improper handling of HVM emulation return codes bsc1276839. - CVE-2026-79603: unconditionally do TLB flushing ahead of page scrubbing bsc1276841...

Security update for xen

This update for xen fixes the following issues: CVE-2026-62437: x86: DMs may cause mem leak by IRQ binding bsc1276838. CVE-2026-79602: x86: improper handling of HVM emulation return codes bsc1276839. CVE-2026-79603: unconditionally do TLB flushing ahead of page scrubbing bsc1276841. Special...

SUSE-SU-2026:4087-1 Security update for xen

This update for xen fixes the following issues: - CVE-2026-62437: x86: DMs may cause mem leak by IRQ binding bsc1276838. - CVE-2026-79602: x86: improper handling of HVM emulation return codes bsc1276839. - CVE-2026-79603: unconditionally do TLB flushing ahead of page scrubbing bsc1276841...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/xe: Freeing madvise VMA arrays when L2 flushing fails The xevmmadviseioctl function allocates madviserange.vmas when getvmas succeeds. After getvmas is successful with at least one VMA, error paths must proceed through freevm...

CVE-2026-72493

In the Linux kernel, the following vulnerability has been resolved: net: serialize netifrunning check in enqueuetobacklog Syzbot reported a KASAN slab-use-after-free in fibruleslookup. The root cause is a race condition where packets can escape the backlog flushing during device unregistration...

CVE-2026-72239

In the Linux kernel, the following vulnerability has been resolved: x86/virt/sev: Revert "Drop WBINVD before setting MSRAMD64SYSCFGSNPEN" Revert 99cf1fb58e68 "x86/virt/sev: Drop WBINVD before setting MSRAMD64SYSCFGSNPEN". Section 8.8 of the SNP spec says: Before invoking SNPINITEX with INITRMP se...

CVE-2026-72493

CVE-2026-72493 concerns a race condition in the Linux kernel where a lockless netif_running() check in enqueue_to_backlog() allowed a TOCTOU window during device backlog flushing on unregistration (e.g., netns exit). The issue can let packets escape backlog processing and trigger a use‑after‑free...

EUVD-2026-59392

In the Linux kernel, the following vulnerability has been resolved: net: serialize netifrunning check in enqueuetobacklog Syzbot reported a KASAN slab-use-after-free in fibruleslookup. The root cause is a race condition where packets can escape the backlog flushing during device unregistration...

PT-2026-72681

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A race condition exists during device unregistration, such as during a network namespace exit, where packets can bypass backlog flushing. This occurs because a lockless netif running che...

UBUNTU-CVE-2026-64263

In the Linux kernel, the following vulnerability has been resolved: fuse-uring: fix moving cancelled entry to entinuserspace list fuseuringcancel moves entries that are available these have no reqs attached to the entinuserspace list. entlistrequestexpired checks the first entry on entinuserspace...

Oracle Linux 8 : kernel (ELSA-2026-39083)

The remote Oracle Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-39083 advisory. - locking/rtmutex: Skip removewaiter when waiter is not enqueued Phil Auld RHEL-193334 CVE-2026-53166 - rtmutex: Use waiter::task instead of current i...

CVE-2026-53049

A flaw was found in the Linux kernel's Global File System 2 GFS2 component. The gfs2logd function, responsible for log flushing, calls several log flushing functions without holding the required lock. This omission allows concurrent transactions to access shared resources without proper exclusion...

Linux Distros Unpatched Vulnerability : CVE-2026-53049

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - gfs2: add some missing log locking Function gfs2logd calls the log flushing functions gfs2ail1start, gfs2ail1wait, and gfs2ail1empty without holding...

CVE-2026-53049

In the Linux kernel, the following vulnerability has been resolved: gfs2: add some missing log locking Function gfs2logd calls the log flushing functions gfs2ail1start, gfs2ail1wait, and gfs2ail1empty without holding sdp-sdlogflushlock, but these functions require exclusion against concurrent...