CVE-2025-71098

The CVE CVE-2025-71098 affects the Linux kernel’s IP6_GRE path. Syzbot crashes were caused by ip6gre_header() relying on dynamic dev->needed_headroom/dev->hard_header_len, enabling skb underflow when an skb with insufficient headroom was used (e.g., during mld_sendpack/mld_finish_output pat...

CVE-2025-71097

In the Linux kernel, the following vulnerability has been resolved: ipv4: Fix reference count leak when using error routes with nexthop objects When a nexthop object is deleted, it is marked as dead and then fibtableflush is called to flush all the routes that are using the dead nexthop. The...

CVE-2025-71088

In the Linux kernel, the following vulnerability has been resolved: mptcp: fallback earlier on simult connection Syzkaller reports a simult-connect race leading to inconsistent fallback status: WARNING: CPU: 3 PID: 33 at net/mptcp/subflow.c:1515 subflowdataready+0x40b/0x7c0 net/mptcp/subflow.c:15...

CVE-2025-71086 net: rose: fix invalid array index in rose_kill_by_device()

In the Linux kernel, the following vulnerability has been resolved: net: rose: fix invalid array index in rosekillbydevice rosekillbydevice collects sockets into a local array and then iterates over them to disconnect sockets bound to a device being brought down. The loop mistakenly indexes...

CVE-2025-71075 scsi: aic94xx: fix use-after-free in device removal path

In the Linux kernel, the following vulnerability has been resolved: scsi: aic94xx: fix use-after-free in device removal path The asdpciremove function fails to synchronize with pending tasklets before freeing the asdha structure, leading to a potential use-after-free vulnerability. When a device...

CVE-2025-71069

In the Linux kernel, the following vulnerability has been resolved: f2fs: invalidate dentry cache on failed whiteout creation F2FS can mount filesystems with corrupted directory depth values that get runtime-clamped to MAXDIRHASHDEPTH. When RENAMEWHITEOUT operations are performed on such...

CVE-2025-71069 f2fs: invalidate dentry cache on failed whiteout creation

In the Linux kernel, the following vulnerability has been resolved: f2fs: invalidate dentry cache on failed whiteout creation F2FS can mount filesystems with corrupted directory depth values that get runtime-clamped to MAXDIRHASHDEPTH. When RENAMEWHITEOUT operations are performed on such...

CVE-2025-68817 ksmbd: fix use-after-free in ksmbd_tree_connect_put under concurrency

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix use-after-free in ksmbdtreeconnectput under concurrency Under high concurrency, A tree-connection object tcon is freed on a disconnect path while another path still holds a reference and later executes put/write on it...

CVE-2025-68810 KVM: Disallow toggling KVM_MEM_GUEST_MEMFD on an existing memslot

In the Linux kernel, the following vulnerability has been resolved: KVM: Disallow toggling KVMMEMGUESTMEMFD on an existing memslot Reject attempts to disable KVMMEMGUESTMEMFD on a memslot that was initially created with a guestmemfd binding, as KVM doesn't support toggling KVMMEMGUESTMEMFD on...

CVE-2025-68799 caif: fix integer underflow in cffrml_receive()

In the Linux kernel, the following vulnerability has been resolved: caif: fix integer underflow in cffrmlreceive The cffrmlreceive function extracts a length field from the packet header and, when FCS is disabled, subtracts 2 from this length without validating that len = 2. If an attacker sends ...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: ring-buffer: Do not issue a warning in ringbuffermapgetreader when the reader reaches the end of the buffer. The function ringbuffermapgetreader is more stringent than other functions that retrieve readers. Except for certain...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Check the untrusted offset in FF-A memory share. Verify the offset to prevent OOB access in the hypervisor. The FF-A buffer contains a value that is too large and potentially untrusted. U32MAX – sizeofstruct...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: scsi: mpt3sas: Fixed a crash that occurred during the transportportremove function, by using iocinfo. During this function, messages were logged via devprintk regarding &mpt3sasport-port-dev. At this point, the SAS transport devi...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: vhost: Take a reference on the task in struct vhosttask. The vhosttaskcreate function creates a task and maintains a reference to its taskstruct. This task may exit early due to a signal, and its taskstruct will be released. A...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: Wifi: mac80211 – Increase scanieslen for S1G. Currently, the S1G capability element is not taken into consideration when calculating scanieslen, resulting in a buffer length validation failure in the ieee80211prephwscan function...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: crypto: essiv – The ssizei check is moved to the beginning of essivaeadcrypt, so it is also checked for decryption and in-place encryption...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: SCTP: Avoid NULL dereferencing when the chunk data buffer is missing. The chunk-skb pointer is dereferenced in the if-block, where it is supposed to be NULL only. chunk-skb can only be NULL if chunk-headskb is not NULL. Instead,...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: Most: usb: hdmprobe: Fixed the call to putdevice before device initialization. The early error path in hdmprobe can lead to a call to errfreemdev before &mdev-dev has been initialized using deviceinitialize. Calling...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: iommu/vt-d: debugfs: Fixed the legacy mode page table dump logic In legacy mode, SSPTPTR is ignored if TT is not 00b or 01b. SSPTPTR might be uninitialized or zero in that case, and may cause errors like: - Oops: General...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: ice: iceadapter: The XArray entry created by xainsert is not released when iceadapternew fails. This results in subsequent insertions at the same index returning -EBUSY, potentially leading to NULL pointer dereferences. The...