Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ACPI: CPPC: Use accesswidth instead of bitwidth for system memory accesses To comply with ACPI 6.3+, since bitwidth can be any 8-bit value, it cannot be relied upon to always be at a clean 8-bit boundary. This issue was discovere...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ipv6: Ensure a sane device MTU in tunnels Another syzbot report 1 indicates a bug in the ip6gre tunnel device: dev:ip6gretap0. Since the ipv6 mcast code ensures that the dev-mtu is read once and a sanity check is performed on it...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: md/raid5-cache: fixed null-ptr-deref in r5lFlushStripeToRaid The r5lFlushStripeToRaid function will check whether the list ‘flushingios’ is empty. It will then submit ‘flushbio’. However, r5llogFlushEndio clears the list first, a...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: scsi: mpi3mr: Avoid memcpy field-spanning write warnings When the “storcli2 show” command is executed for eHBA-9600, the mpi3mr driver prints this warning message: memcpy: A field-spanning write size 128 was detected in the singl...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: RDMA/hns: Fixed the use-after-free of rsvqp on HIP08. Currently, rsvqp is freed before the ibunregisterdevice function is called on HIP08. During this time interval, users can still deregister MR, and rsvqp will be used in this...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15

In the Linux kernel, the following vulnerability has been resolved: gfs2: Fixed possible data races in gfs2showoptions Some fields such as gtlogdsecs of the struct gfs2tune are accessed without holding the lock gtspin in gfs2showoptions: val = sdp-sdtune.gtlogdsecs; if val != 30 seqprintfs,...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: powerpc/setmemory: Avoid spinlock recursion in changepageattr The commit 1f9ad21c3b38 “powerpc/mm: Implement setmemory routines” included a spinlock call in changepageattr in order to safely perform the three-step operations...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: net: fixed the issue with the netdevstartxmit trace event vs skbtransportoffset After the committed code, we must be more careful when using skbtransportoffset, as reminded by syzbot: WARNING: CPU: 0 PID: 10 at...

CVE-2026-68411 wifi: mac80211_hwsim: clamp virtio RX length before skb_put

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211hwsim: clamp virtio RX length before skbput hwsimvirtiorxwork passes the virtqueue used-ring length reported by the device straight to skbput on a fixed-size receive skb. A backend reporting a length larger than the...

CVE-2026-68358 hwmon: (nzxt-kraken3) Stop device IO before calling hid_hw_stop

In the Linux kernel, the following vulnerability has been resolved: hwmon: nzxt-kraken3 Stop device IO before calling hidhwstop Calling hidhwstop does not stop the device IO. This results in a race condition between hidinputreport and the point immediately following the execution of...

CVE-2026-68339

The Linux kernel Bluetooth btusb vulnerability CVE-2026-68339 stems from btusb_recv_event_realtek() inspecting data[0] and data[2] before verifying the HCI event header and first parameter. This can cause misclassification of a vendor event as a coredump (e.g., a 2-byte event ff 00 with adjacent ...

CVE-2026-68329

CVE-2026-68329 affects the Linux kernel’s iommu/amd path. A race in iommu_completion_wait() can cause it to return before all previously queued commands complete, enabling a use-after-free window where stale page-table translations may be used. The issue stems from need_sync being read locklessly...

CVE-2026-68280

The CVE affects the Linux kernel DRM/Bridge code for cdns-dsi. The root cause is using the deprecated UNIVERSAL_DEV_PM_OPS() macro, which handles both runtime PM and system sleep, causing DSI clocks to be disabled twice (runtime suspend and system suspend). This can trigger a WARN from the clock ...

EUVD-2026-55350

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/sdma5.0: replace BUGON with WARNON There's no need to crash the kernel for these cases. cherry picked from commit 8d144a0eb09537055841af48c9e7c2d4cd48e84d...

CVE-2026-68206 media: v4l2-ctrls: validate HEVC active reference counts

In the Linux kernel, the following vulnerability has been resolved: media: v4l2-ctrls: validate HEVC active reference counts HEVC slice parameters are shared stateless V4L2 controls, but the common validation path does not verify the active L0/L1 reference counts before driver-specific code...

EUVD-2026-55553

In the Linux kernel, the following vulnerability has been resolved: btrfs: do not try compression for data reloc inodes BUG There is a syzbot report that the check inside getnewlocation triggered: BTRFS info device loop0: found 31 extents, stage: move data extents BTRFS info device loop0: leaf...

CVE-2026-68149

The CVE-2026-68149 entry pertains to a Linux kernel bug in ACL_DONT_CACHE handling within forget_cached_acl(). The issue arises when ACL_DONT_CACHE state is unintentionally invalidated, affecting inodes for filesystems opting out of POSIX ACL caching. Specifically, in fuse-related paths, forget_a...

EUVD-2026-55513

In the Linux kernel, the following vulnerability has been resolved: super: fix emergency thaw deadlock on frozen block devices dothawallcallback calls bdevthaw while holding sb-sumount exclusively. If the block device was frozen via bdevfreeze dropping the last block layer freeze reference calls...

CVE-2026-68111

The CVE-2026-68111 issue affects the Linux kernel's drm/amdgpu/gfx9 path, where a BUG_ON() could crash the kernel. The fix replaces BUG_ON() with WARN_ON(), avoiding a crash in these cases. The change (cherry-picked from commit b71604f8685b0eba07866f4e8dc30f93e1931054) has been included in stable...

CVE-2026-64593

The CVE-2026-64593 issue affects the Linux kernel Btrfs trim path. A race/drop in device state handling can lead to a NULL device->bdev when re-scanning a previously missing device, causing a NULL pointer dereference during discard trimming (btrfs_trim_fs -> btrfs_trim_free_extents_throttle...