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: 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: Wifi: mac80211 – Increase scanieslen for S1G. Currently, the S1G capability element is not taken into consideration when calculating scanieslen, which leads to a buffer length validation failure in the ieee80211prephwscan functio...

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 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: In the net subsystem, there is a fix for a NULL pointer dereference in l3mdevl3rcv. When deleting an l3s ipvlan: ip link del link eth0 ipvlan1 type ipvlan mode l3s This may cause a NULL pointer dereference. Call trace:...

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 the 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. ...

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 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: 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 in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: In the bpf module, it was necessary to check whether the helper function is valid in gethelperproto. The kernel test robot reported a bug related to the verifier 1, where the helper function pointer could be NULL due to a disable...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: Tracing: dynevent – Added a missing lockdown check to dynevent. Since the dynamicevents interface on tracefs is compatible with kprobeevents and uprobeevents, it should also check the lockdown status and reject any cases where...