Important: Red Hat Security Advisory: kernel security, bug fix, and enhancement update

An update for kernel is now available for Red Hat Enterprise Linux 9. 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...

Important: Red Hat Security Advisory: kernel security, bug fix, and enhancement update

An update for kernel is now available for Red Hat Enterprise Linux 9.6 Extended Update Support. 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...

CVE-2026-68215

In the Linux kernel, the following vulnerability has been resolved: media: radio-si476x: Unregister v4l2device on probe failure si476xradioprobe registers radio-v4l2dev before allocating the V4L2 controls and before registering the video device. If any of those later steps fails, probe returns...

CVE-2026-68104

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: invoke pmgenpdremove before freeing genpd Call pmgenpdremove to unregister from global list prior to releasing acpgenpd memory, and clear the pointer after free. cherry picked from commit...

CVE-2026-68192 wifi: brcmfmac: make release_scratchbuffers idempotent

In the Linux kernel, the following vulnerability has been resolved: wifi: brcmfmac: make releasescratchbuffers idempotent brcmfpciereleasescratchbuffers frees the shared.scratch and shared.ringupd DMA buffers with dmafreecoherent but does not clear the pointers afterwards, unlike the sibling...

CVE-2026-68104

The CVE-2026-68104 issue affects the Linux kernel’s drm/amdgpu component. The root cause is improper memory handling where pm_genpd_remove() is not called before freeing acp_genpd memory, potentially enabling memory corruption. The vulnerability is described as a local impact with possible denial...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: Wifi: ath12k – Fix for the dmafreecoherent pointer. dmaalloccoherent allocates a DMA-mapped buffer and stores the addresses in XXXunaligned fields. These addresses should be reused when freeing the buffer, rather than using th...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: btusb – revert the use of devmkzalloc in btusb This change reverts to the behavior described in commit 98921dbd00c4e “Bluetooth: Use devmkzalloc in btusb.c file”. In btusbprobe, we use devmkzalloc to allocate the btusb...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: Networking layer: dsa: Microchip: Do not free uninitialized kszirq. If there are issues during initialization, the kszirqfree function may be called on uninitialized kszirq values for example, when kszptpirqsetup fails. This can...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: IOMMU: Disable SVA when CONFIGX86 is set The patch series “Fix stale IOTLB entries for kernel address space”, version 7, proposes a fix for a security vulnerability related to IOMMU Shared Virtual Addressing SVA. In an SVA contex...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: soc: mediatek: svs: Fixed a memory leak in svsenabledebugWrite. In svsenableDebugWrite, the buffer allocated by memdupusernul may be leaked if kstrtoint fails. This issue was addressed by using freekfree to automatically free the...

UBUNTU-CVE-2026-64583

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: udc: bdc: free IRQ and drain funcwakenotify before teardown The Broadcom BDC UDC driver registers its IRQ handler with devmrequestirq in bdcudcinit, so the IRQ is released by devm only after bdcremove returns. devm...

CVE-2026-64585

CVE-2026-64585 (Linux kernel): The issue affects the CAN esd_usb subsystem where, after free_candev runs, net_device pointers in priv->tx contexts are dereferenced, leading to use-after-free when killing anchored URBs. The fix reorders teardown to stop TX queues first, then call unlink_all_urb...

CVE-2026-64585 can: esd_usb: kill anchored URBs before freeing netdevs

In the Linux kernel, the following vulnerability has been resolved: can: esdusb: kill anchored URBs before freeing netdevs esdusbdisconnect frees each CAN netdev with freecandev inside its per-netdev loop and only calls unlinkallurbsdev afterwards. The per-netdev private data struct esdusbnetpriv...

CVE-2026-64564

In the Linux kernel, the following vulnerability has been resolved: sctp: don't free the ASCONF's own transport in DEL-IP processing sctpprocessasconf caches the transport the ASCONF chunk is processed against in asconf-transport == chunk-transport, set once in sctprcv. For an ASCONF located...

CVE-2026-64562

CVE-2026-64562 : In the Linux kernel KVM nVMX, a shadow VMCS could be freed prematurely by free_nested() while vmcs01 still referenced it. Since this occurs asynchronously with respect to loaded_vmcs_clear(), a vCPU could migrate and __loaded_vmcs_clear() may then execute VMCLEAR. The vulnerabili...

SUSE 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...

SUSE CVE-2026-64302

In the Linux kernel, the following vulnerability has been resolved: x86/mm: Fix freeing of PMD-sized vmemmap pages Commit bf9e4e30f353 "x86/mm: use pagetablefree", switched from freeing non-boot page tables through freepages to pagetablefree. However, the function is also called to free vmemmap...

CVE-2026-64302

In the Linux kernel, the following vulnerability has been resolved: x86/mm: Fix freeing of PMD-sized vmemmap pages Commit bf9e4e30f353 "x86/mm: use pagetablefree", switched from freeing non-boot page tables through freepages to pagetablefree. However, the function is also called to free vmemmap...

UBUNTU-CVE-2026-64302

In the Linux kernel, the following vulnerability has been resolved: x86/mm: Fix freeing of PMD-sized vmemmap pages Commit bf9e4e30f353 "x86/mm: use pagetablefree", switched from freeing non-boot page tables through freepages to pagetablefree. However, the function is also called to free vmemmap...