EUVD-2026-81774

In the Linux kernel, the following vulnerability has been resolved: ublk: avoid teardown retry loop on xarray allocation failure ublkshmemremoveranges removes matching maple tree ranges in batches, but first stores each range into a temporary xarray so that the pages can be unpinned after droppin...

CVE-2026-90181 ublk: avoid teardown retry loop on xarray allocation failure

In the Linux kernel, the following vulnerability has been resolved: ublk: avoid teardown retry loop on xarray allocation failure ublkshmemremoveranges removes matching maple tree ranges in batches, but first stores each range into a temporary xarray so that the pages can be unpinned after droppin...

CVE-2026-90181 ublk: avoid teardown retry loop on xarray allocation failure

In the Linux kernel, the following vulnerability has been resolved: ublk: avoid teardown retry loop on xarray allocation failure ublkshmemremoveranges removes matching maple tree ranges in batches, but first stores each range into a temporary xarray so that the pages can be unpinned after droppin...

CVE-2026-90181

CVE-2026-90181 affects the ublk (userspace block device) subsystem in the Linux kernel . The root cause is in __ublk_shmem_remove_ranges(), which stores ranges into a temporary xarray via xa_store(..., GFP_ATOMIC) under the maple tree lock. If the atomic allocation fails before the range is erase...

CVE-2026-92513: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: RDMA/manaib: drain QP references after partial table insertion manatablestoreudqp publishes a QP at its send-queue id before inserting the receive-queue id, dropping the XArray lock between the two xainsertirq calls. A concurrent...

CVE-2026-90308: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: RDMA/erdma: Hold QP references for AE and CM processing AE QP fatal events and iWARP CM paths load QPs from dev-qpxa and then use or reference them outside the xarray lock. erdmadestroyqp can drop the destroy-path reference and...

CVE-2026-90181: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: ublk: avoid teardown retry loop on xarray allocation failure ublkshmemremoveranges removes matching maple tree ranges in batches, but first stores each range into a temporary xarray so that the pages can be unpinned after droppin...

CVE-2026-92502: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: ext4: clear stale xarray tags on folios skipped during writeback In data=journal mode, the writeback thread can hit the WARNONONCEsbrdonlysb in ext4journalcheckstart while the superblock is being remounted read-only during reboot...

CVE-2026-89913

CVE-2026-89913 affects the Linux kernel in the KVM arm64 vgic-v3 subsystem. The function vgic_v3_save_pending_tables() iterates the LPI xarray via xa_for_each() and dereferences struct vgic_irq without holding a stable reference. The xarray iterator provides only temporary RCU coverage, which is ...

CVE-2026-89913 KVM: arm64: vgic-v3: take an LPI reference in vgic_v3_save_pending_tables

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: vgic-v3: take an LPI reference in vgicv3savependingtables vgicv3savependingtables iterates dist-lpixa using xaforeach and dereferences the returned struct vgicirq in the loop body without holding a reference on the LP...

Linux Distros Unpatched Vulnerability : CVE-2026-89913

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - KVM: arm64: vgic-v3: take an LPI reference in vgicv3savependingtables vgicv3savependingtables iterates dist-lpixa using xaforeach and dereferences the returned...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: drm/i915: Fixed potential context UAFs. The gemcontextregister function makes the context visible to user space, and a separate thread can trigger the I915GEMCONTEXTDESTROY ioctl command. Therefore, we need to ensure that...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: KVM: Explicitly verify that the target vCPU is online in kvmgetvcpu. It is necessary to explicitly verify that the target vCPU is fully online prior to clamping the index in kvmgetvcpu. If the index is “bad”, the nospec clamping...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: mm/migrate: fixed the issue where shmem xarray updates occur during migration. A shmem folio can be either in the page cache or in the swap cache, but not both at the same time. Specifically, once it is in the swap cache,...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ksmbd: Fixed the missing error check for xastore. xastore may fail. It returns xaerr-EINVAL if the entry cannot be stored in an XArray, or xaerr-ENOMEM if memory allocation fails. Therefore, a check for errors in xastore is...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: iouring/tctx: A workaround has been implemented for the allocation error issue with xastore. The syzbot triggered the following WARNON: WARNING: CPU: 0, PID: 16, in iouring/tctx.c, line 51: iouringfree+0xfa/0x140. The warning...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net: qrtr: Replace qrtrtxflowradixtree with xarray to fix a memory leak. The radixtreecreate function allocates and links intermediate nodes into the tree one by one. If a subsequent allocation fails, the already linked nodes...

AZL-100250 CVE-2026-89648 affecting package kernel 6.6.157.1-1

In the Linux kernel, the following vulnerability has been resolved: ceph: cap delegated inode count in cephparsedeleginos cephparsedeleginos decodes interval sets of delegated inode numbers from an MDS create-with-delegation reply. For each set it reads a 64-bit start and a 64-bit len with...

DEBIAN-CVE-2026-89446

In the Linux kernel, the following vulnerability has been resolved: iommufd: Release current IOAS on xastore failure iommufdtakealliovarwsem takes an object reference and the iovarwsem write lock before storing the IOAS in the temporary ioaslist xarray. If xastore fails, the current IOAS has not...

CVE-2026-89648 ceph: cap delegated inode count in ceph_parse_deleg_inos()

In the Linux kernel, the following vulnerability has been resolved: ceph: cap delegated inode count in cephparsedeleginos cephparsedeleginos decodes interval sets of delegated inode numbers from an MDS create-with-delegation reply. For each set it reads a 64-bit start and a 64-bit len with...