Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: Validates the FF offset. This adds sanity checks for the FF offset. There is a check on rt-firstfree at the beginning, but there is also a check when traversing by FF without any validation. If the second FF is a large...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: PM: sleep: Fixed possible deadlocks in the system-wide PM code. It is reported that in low-memory situations, the system-wide resume core code may lead to deadlocks. This occurs because asyncscheduledev executes its argument...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Julia Lawall reported this null pointer dereference issue, and this should fix it...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: Corrected the migration DMA map direction The SVM DMA device map direction should be set the same as the DMA unmap setting; otherwise, the DMA core will report the following warning. Before finalizing this solution,...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: mm: slub: Fix the invocation of flushcpuslab and freeslab in the task context. The commit 5a836bf6b09f “mm: slub: Move the invocation of flushcpuslab and freeslab out of the IRQ context” fixes this issue by moving all invocations...

UBUNTU-CVE-2026-80915

In the Linux kernel, the following vulnerability has been resolved: drm/xe: Fix DPT allocation paths. Remove the fallback for VRAM to system memory, I tested it and that doesn't work at all, only a black screen with pipe fault errors were observed. On systems with media GT, extra latency is added...

UBUNTU-CVE-2026-80916

In the Linux kernel, the following vulnerability has been resolved: kcov: fix data corruption and race conditions on PREEMPTRT syzbot is reporting KCOV state corruption on PREEMPTRT kernels, for the temporary storage used for saving/restoring remote KCOV state is currently allocated as the per-CP...

UBUNTU-CVE-2026-80923

In the Linux kernel, the following vulnerability has been resolved: xhci: dbgtty: Fix unregister on ttyregisterdriver failure If ttyregisterdriver fails, it drops the reference, but fails to set the global dbcttydriver to NULL, causing the unregister to be called again when module exits. On modul...

UBUNTU-CVE-2026-80920

In the Linux kernel, the following vulnerability has been resolved: iouring: defer eventfd signaling when queued from a wakeup handler ioreqlocalworkadd signals the CQ ring eventfd inline when it is the one to push the first entry onto -worklist. For DEFERTASKRUN rings that add is frequently done...

UBUNTU-CVE-2026-80917

In the Linux kernel, the following vulnerability has been resolved: PCI: host-generic: Fix NULL pointer dereference on 32-bit CAM systems On 32-bit systems the config space is too large to ioremap in one go, so pciecamcreate maps each bus segment separately and relies on the -addbus callback...

UBUNTU-CVE-2026-80914

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: ISO: fix use-after-free of listener socket in isoconnready isoconnready looks up the BIS listener socket with isogetsock, which takes a reference, and then, without re-checking its state, creates a child socket from it...

UBUNTU-CVE-2026-80918

In the Linux kernel, the following vulnerability has been resolved: HID: core: fix number/pointer type confusion on long items When fetchitem is called by hidscanreport on an item with HIDITEMTAGLONG, it stores a pointer to the item data in item-data.longdata instead of storing a value directly i...

CVE-2026-80921

In the Linux kernel, the following vulnerability has been resolved: KVM: s390: vsie: zero stale crypto bits When shadowing crypto access bits from a format0 apcb crycb 0 or 1, the bits 64..255 are unchanged from whatever is in the vsie page in the crycb and thus in the apcb. This gives a nested...

CVE-2026-80917

In the Linux kernel, the following vulnerability has been resolved: PCI: host-generic: Fix NULL pointer dereference on 32-bit CAM systems On 32-bit systems the config space is too large to ioremap in one go, so pciecamcreate maps each bus segment separately and relies on the -addbus callback...

CVE-2026-80923

In the Linux kernel, the following vulnerability has been resolved: xhci: dbgtty: Fix unregister on ttyregisterdriver failure If ttyregisterdriver fails, it drops the reference, but fails to set the global dbcttydriver to NULL, causing the unregister to be called again when module exits. On modul...

CVE-2026-80916

In the Linux kernel, the following vulnerability has been resolved: kcov: fix data corruption and race conditions on PREEMPTRT syzbot is reporting KCOV state corruption on PREEMPTRT kernels, for the temporary storage used for saving/restoring remote KCOV state is currently allocated as the per-CP...

CVE-2026-80919

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: fix recursive wwmutex acquire in amdgpudevcoredumpformat When dumping IB contents from a hung job, amdgpudevcoredumpformat acquired the VM root PD's reservation via amdgpuvmlockbypasid and then, for each IB, called...

CVE-2026-80924

In the Linux kernel, the following vulnerability has been resolved: crypto: krb5 - use kfreesensitive for derived key buffers cryptokrb5prepareencryption and cryptokrb5preparechecksum free the buffer holding the freshly derived keys with plain kfree, leaving the key material behind in the freed...

CVE-2026-80918

In the Linux kernel, the following vulnerability has been resolved: HID: core: fix number/pointer type confusion on long items When fetchitem is called by hidscanreport on an item with HIDITEMTAGLONG, it stores a pointer to the item data in item-data.longdata instead of storing a value directly i...

UBUNTU-CVE-2026-80925

In the Linux kernel, the following vulnerability has been resolved: vlan: fix skbunderpanic and races when toggling HW VLAN offload Toggling hardware VLAN TX offload NETIFFHWVLANCTAGTX or NETIFFHWVLANSTAGTX on a lower device invokes vlantransferfeatures, which dynamically changed...