USN-8636-1 linux-azure-6.17, linux-gcp-6.17, linux-hwe-6.17, linux-oem-6.17, linux-realtime-6.17 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: - x86 architecture; - InfiniBand drivers; - Media drivers; - Network drivers; - Mellanox network drivers; - Texas...

USN-8630-1: 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: - x86 architecture; - InfiniBand drivers; - Network drivers; - Mellanox network drivers; - File systems infrastructur...

SUSE CVE-2026-68378

In the Linux kernel, the following vulnerability has been resolved: dpll: fix NULL pointer dereference in dpllmsgaddpinrefsync When a dpllpin is shared across multiple dplldevice instances and those devices are being unregistered e.g. during driver module removal, a NULL pointer dereference can...

CVE-2026-12235

The Linkable Loadable Extensions llext subsystem mis-handles PLT/RELA relocation entries when linking a relocatable partially-linked ELF extension. In llextlinkplt subsys/llext/llextlink.c, the relocatable branch tgt != NULL, the path used for Xtensa relocatable objects computed the patch address...

CVE-2026-12234 TOCTOU double-fetch in `zsock_sendmsg`/`recvmsg` userspace verifiers allows kernel-heap out-of-bounds write

The userspace syscall verifiers zvrfyzsocksendmsg and zvrfyzsockrecvmsg in subsys/net/lib/sockets/sockets.c snapshot the caller-supplied struct netmsghdr into a kernel-side copy with kusermodefromcopy, but then re-read the still-live user struct for subsequent decisions. The kernel iovec shadow...

CVE-2026-12234 TOCTOU double-fetch in `zsock_sendmsg`/`recvmsg` userspace verifiers allows kernel-heap out-of-bounds write

The userspace syscall verifiers zvrfyzsocksendmsg and zvrfyzsockrecvmsg in subsys/net/lib/sockets/sockets.c snapshot the caller-supplied struct netmsghdr into a kernel-side copy with kusermodefromcopy, but then re-read the still-live user struct for subsequent decisions. The kernel iovec shadow...

DEBIAN-CVE-2026-68430

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/gfx8: drop unecessary BUGON There's no need to crash the kernel for this case. cherry picked from commit 4d7c25208ca612b754f3bf39e9f16e725b828891...

CVE-2026-68436

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: use kvzalloc to allocate struct dc struct dc has grown large over time most of it the two inlined dcscratchspace copies and now sits close to the page allocator's 4 MiB contiguous allocation limit. Its actual siz...

CVE-2026-68440

In the Linux kernel, the following vulnerability has been resolved: net: txgbe: fix heap overflow when reading module EEPROM txgbereadeepromhostif always copies rounduplength, 4 bytes into the caller buffer, which ethtool allocates with exactly 'length' bytes. A non-4-aligned length therefore...

UBUNTU-CVE-2026-68438

In the Linux kernel, the following vulnerability has been resolved: smp: Make CSD lock acquisition atomic for debug mode Commit b0473dcd4b1d "smp: Improve smpcallfunctionsingle CSD-lock diagnostics" changed smpcallfunctionsingle so that, when CSD lock debugging is enabled, async !wait calls use t...

CVE-2026-68439 wifi: mt76: mt7925: fix possible NULL-pointer deref in mt7925_mcu_bss_he_tlv()

In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7925: fix possible NULL-pointer deref in mt7925mcubsshetlv mt76connacgethephycap routine can theoretically return NULL so check cap pointer before dereferencing it...

CVE-2026-68436 drm/amd/display: use kvzalloc to allocate struct dc

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: use kvzalloc to allocate struct dc struct dc has grown large over time most of it the two inlined dcscratchspace copies and now sits close to the page allocator's 4 MiB contiguous allocation limit. Its actual siz...

CVE-2026-68430

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/gfx8: drop unecessary BUGON There's no need to crash the kernel for this case. cherry picked from commit 4d7c25208ca612b754f3bf39e9f16e725b828891...

CVE-2026-68430 drm/amdgpu/gfx8: drop unecessary BUG_ON()

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/gfx8: drop unecessary BUGON There's no need to crash the kernel for this case. cherry picked from commit 4d7c25208ca612b754f3bf39e9f16e725b828891...

Linux Distros Unpatched Vulnerability : CVE-2026-68283

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - tracing: Fix use-after-free freeing trigger private data Commit 61d445af0a7c tracing: Add bulk garbage collection of freeing eventtriggerdata moved the kfree of...

The vulnerability of the `scan_get_next_rmap_item()` function in the mm/ksm.c component of the Linux operating system allows a hacker to trigger a service failure.

The vulnerability of the scangetnextrmapitem function in the mm/ksm.c component of the Linux operating system is related to incorrect data input used as a condition for loop execution. Exploiting this vulnerability can allow an attacker to cause a service failure...

Linux Distros Unpatched Vulnerability : CVE-2026-68378

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - dpll: fix NULL pointer dereference in dpllmsgaddpinrefsync When a dpllpin is shared across multiple dplldevice instances and those devices are being unregistere...

Linux Distros Unpatched Vulnerability : CVE-2026-68424

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel, the following vulnerability has been resolved: mtd: virtconcat: fix use-after-free in mtdvirtconcatdestroyjoins mtdconcatdestroy frees...

Oracle Linux 9 : kernel (ELSA-2026-53329)

The remote Oracle Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-53329 advisory. - mm/slab: do not limit zeroing to origsize when only red zoning is enabled Rafael Aquini RHEL-223404 CVE-2026-64368 - net: openvswitch: reject...

Linux Distros Unpatched Vulnerability : CVE-2026-68089

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel, the following vulnerability has been resolved: iio: core: fix uninitialized data in debugfs If ppos is non-zero then simplewritetobuffer wi...