CVE-2026-68398 ppp: defer channel free to an RCU grace period to fix pppol2tp RX UAF

In the Linux kernel, the following vulnerability has been resolved: ppp: defer channel free to an RCU grace period to fix pppol2tp RX UAF pppol2tprecv runs in the L2TP UDP-encap softirq RX path: l2tpudpencaprecv - l2tprecvcommon - pppol2tprecv - pppinput&po-chan It runs under rcureadlock holding...

CVE-2026-68398 ppp: defer channel free to an RCU grace period to fix pppol2tp RX UAF

In the Linux kernel, the following vulnerability has been resolved: ppp: defer channel free to an RCU grace period to fix pppol2tp RX UAF pppol2tprecv runs in the L2TP UDP-encap softirq RX path: l2tpudpencaprecv - l2tprecvcommon - pppol2tprecv - pppinput&po-chan It runs under rcureadlock holding...

CVE-2026-68294

In CVE-2026-68294, the Linux kernel QRTR (Qualcomm IPC Router) allows an unprivileged process to create an AF_QIPCRTR socket in a separate network namespace, due to global state (qrtr_local_nid and qrtr_ports) not being partitioned per namespace. This enables cross-namespace QRTR datagrams and co...

CVE-2026-68272 drm/amdgpu: validate CP_GFX_SHADOW chunk size in CS pass1

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: validate CPGFXSHADOW chunk size in CS pass1 Add a minimum-length check for the AMDGPUCHUNKIDCPGFXSHADOW chunk in amdgpucspass1, matching the gate already present for the IB, FENCE and BOHANDLES chunk types. The...

CVE-2026-68202

CVE-2026-68202 affects the Linux kernel’s ALSA sequencer. A race in queue timer cleanup allows an unprivileged local user with access to /dev/snd/seq to re-open a timer that has just been closed, leading to a use-after-free of the timer/queue object and a potential crash or, in theory, arbitrary ...

CVE-2026-68202 ALSA: seq: close a re-opened queue timer in the destructor

In the Linux kernel, the following vulnerability has been resolved: ALSA: seq: close a re-opened queue timer in the destructor queuedelete closes the queue timer, then frees it. sndseqtimerclose clears q-timer-timeri. snduselocksync then drains borrowers, and sndseqtimerdelete frees q-timer. A...

EUVD-2026-55303

In the Linux kernel, the following vulnerability has been resolved: ALSA: seq: close a re-opened queue timer in the destructor queuedelete closes the queue timer, then frees it. sndseqtimerclose clears q-timer-timeri. snduselocksync then drains borrowers, and sndseqtimerdelete frees q-timer. A...

Astra Linux – Vulnerability in Systemd

Systemd, a system and service manager, as PID 1 encounters an assertion error and freezes execution when an unprivileged IPC API call is made with spurious data. In versions v249 and earlier, the effect is not an assertion error, but stack overwriting, with the content being controlled by the...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: “smack”: fixed a bug where an unprivileged task could create labels. If an unprivileged task is allowed to relabel itself "/smack/relabel-self is not empty", it can freely create new labels by writing their names into its own...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: drm: Property blob allocations to memcg The DRMIOCTLMODECREATEPROPBLOB function allows userspace to allocate property blobs of arbitrary size, which are backed by kernel memory. Currently, the blob data allocation is not accounte...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: AppArmor: Fixed the issue where an unprivileged local user could perform privileged policy management. An unprivileged local user can load, replace, and remove policies by opening the AppArmor interfaces. This can be achieved...

Linux Distros Unpatched Vulnerability : CVE-2026-68202

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ALSA: seq: close a re-opened queue timer in the destructor queuedelete closes the queue timer, then frees it. sndseqtimerclose clears q-timer-timeri...

Linux Distros Unpatched Vulnerability : CVE-2026-68398

"The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ppp: defer channel free to an RCU grace period to fix pppol2tp RX UAF pppol2tprecv runs in the L2TP UDP-encap softirq RX path: l2tpudpencaprecv - l2tprecvcommo...

UBUNTU-CVE-2026-15060

When systemd-machined = v259 or v258 with a custom polkit policy that allows register-machine access is running on a desktop system, an unprivileged user logged in a desktop graphical session can kill arbitrary processes, even privileged ones. - versions older than v259 are not affected, unless...

Linux Distros Unpatched Vulnerability : CVE-2026-68297

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - tipc: fix u16 MTU truncation in media and bearer MTU validation Both TIPCNLMEDIASET and TIPCNLBEARERSET accept user-supplied MTU values but only enforce a minim...

Linux Distros Unpatched Vulnerability : CVE-2026-68323

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - tipc: serialize udp bearer replicast list updates tipcudprcastadd and cleanupbearer both update ub-rcast.list with listaddrcu / listdelrcu, but nothing serializ...

UBUNTU-CVE-2026-15059

Local unprivileged users can terminate arbitrary local processes via a systemd-oomd IPC API due to a missing path traversal validation...

CVE-2026-49746 GPU DDK - Dimension Mismatch and Integer Truncation in PMRDevPhysAddrOSMem

Software installed and run as a non-privileged user may conduct improper GPU system calls to cause OOB read kernel memory access and in certain cases cause GPU UAF of arbitrary pages. Incorrect validation of array index can lead to OOB read and potentially to GPU UAF of arbitrary pages...

CVE-2026-45204

CVE-2026-45204 concerns GPU DDK code: Out-of-bounds memory access and a kernel NULL pointer dereference in DmaTransfer when pui64Address points to device memory. The vulnerability arises in an error path of a function running in kernel mode, potentially causing kernel exceptions, platform instabi...

CVE-2026-16552

REJECTED A flaw was found in systemd-tmpfiles. When processing a tmpfiles.d configuration entry that writes to a file, systemd-tmpfiles can follow a symbolic link placed by an unprivileged local user, and an existing safety check does not detect this specific case because it always treats...