CVE-2026-52994 vsock/virtio: fix MSG_ZEROCOPY pinned-pages accounting

In the Linux kernel, the following vulnerability has been resolved: vsock/virtio: fix MSGZEROCOPY pinned-pages accounting virtiotransportinitzcopyskb uses iter-count as the size argument for msgzerocopyrealloc, which in turn passes it to mmaccountpinnedpages for RLIMITMEMLOCK accounting. However,...

CVE-2026-52988 netfilter: nf_tables: join hook list via splice_list_rcu() in commit phase

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: join hook list via splicelistrcu in commit phase Publish new hooks in the list into the basechain/flowtable using splicelistrcu to ensure netlink dump list traversal via rcu is safe while concurrent ruleset...

CVE-2026-52975

In the Linux kernel, the following vulnerability has been resolved: bonding: 3ad: implement proper RCU rules for port-aggregator syzbot found a data-race in bond3adgetactiveagginfo / bond3adstatemachinehandler 1 which hints at lack of proper RCU implementation. Add rcu qualifier to port-aggregato...

CVE-2026-52975 bonding: 3ad: implement proper RCU rules for port->aggregator

In the Linux kernel, the following vulnerability has been resolved: bonding: 3ad: implement proper RCU rules for port-aggregator syzbot found a data-race in bond3adgetactiveagginfo / bond3adstatemachinehandler 1 which hints at lack of proper RCU implementation. Add rcu qualifier to port-aggregato...

CVE-2026-52975 bonding: 3ad: implement proper RCU rules for port->aggregator

In the Linux kernel, the following vulnerability has been resolved: bonding: 3ad: implement proper RCU rules for port-aggregator syzbot found a data-race in bond3adgetactiveagginfo / bond3adstatemachinehandler 1 which hints at lack of proper RCU implementation. Add rcu qualifier to port-aggregato...

CVE-2026-52947 net: qrtr: fix refcount saturation and potential UAF in qrtr_port_remove

In the Linux kernel, the following vulnerability has been resolved: net: qrtr: fix refcount saturation and potential UAF in qrtrportremove In qrtrportremove, the socket reference count is decremented via sockput before the port is removed from the qrtrports XArray and before the RCU grace period...

CVE-2026-52946

Summary of CVE-2026-52946 (Linux kernel) Root cause: A SOFTIRQ-unsafe lock order deadlock occurs in fasync signaling for process groups when signals are delivered. Specifically, send_sigio() and send_sigurg() traverse the task list under read_lock(&tasklist_lock) from softirq context, which can d...

CVE-2026-52946 fs/fcntl: fix SOFTIRQ-unsafe lock order in fasync signaling

In the Linux kernel, the following vulnerability has been resolved: fs/fcntl: fix SOFTIRQ-unsafe lock order in fasync signaling A SOFTIRQ-safe to SOFTIRQ-unsafe lock order deadlock can occur in sendsigio and sendsigurg when a process group receives a signal. When FASYNC is configured for a proces...

CVE-2026-52943

A flaw was found in the Linux kernel. The pskbcarveinsideheader and pskbcarveinsidenonlinear helper functions, which handle network packet buffers, do not correctly account for zero-copy references. This oversight can lead to a use-after-free vulnerability, where memory is prematurely released...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ksmbd: The ATTRCTIME flags were set when setting the mtime. David reported that the new warning from setattrcopymgtime appears as follows: 113.215316 ------------ Cut here ----------- 113.215974 WARNING: CPU: 1 PID: 31 at...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: crypto: omap – Correctly allocate OMAPCRYPTOFORCECOPY scatterlists The current allocation of scatterlists in oprcryptocopysglists was incorrect; it was allocating an array of scatterlist pointers, rather than scatterlist objects...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: Wifi: ath11k: Fixed an issue where RCU stalls occurred during the processing of the monitor destination ring. During this process, MSDUs are retrieved from the link descriptor based on the corresponding bufid. However, sometim...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ftrace: The soft lockup issue in ftracemoduleenable has been fixed. A soft lockup was observed when loading the amdgpu module. If a module contains many functions that can be traced, multiple calls to kallsymslookup may take too...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: BPF: Freeing special fields when updating lru,percpuhash maps Since lru,percpuhash maps support BPFKPTRREF,PERCPU, missing calls to ‘bpfobjfreefields’ in ‘pcpucopyvalue’ could cause the memory referenced by BPFKPTRREF,PERCPU fiel...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: md: fixed rcu protection in mdwakeupthread We attempted to use RCU to protect the pointer “thread”, but passed the value directly when calling mdwakeupthread. This means that the RCU pointer was acquired before rcureadlock was...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: scsi: qla2xxx: The payload size has been sanitized to prevent member overflow. In functions qla27xxcopyfpinpkt and qla27xxcopymultiplepkt, the framesize reported by the firmware is used to calculate the copy length for the...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: hwrng: core – Use RCU and workstruct to fix race conditions Currently, the hwrngfill function is not cleared until the hwrngfillfn thread exits. Since hwrngunregister reads hwrngfill outside of the rngmutex lock, a concurrent...

Astra Linux – Vulnerability in libssh

A malicious SCP server can send unexpected commands that may cause the client application to override local files outside of the working directory. This could be exploited to create malicious executable or configuration files, causing the user to execute them with specific consequences. This is t...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: Fixed the “scheduling while atomic” issue in IPsec MAC address queries. A bug involving “scheduling while atomic” was addressed in mlx5eipsecinitmacs, by replacing mlx5querymacaddress with etheraddrcopy to retrieve the...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: fbdev: smscufx – The data passed through ioctl is copied to the kernel’s space properly. The UFXIOCTLREPORTDAMAGE ioctl does not copy data from user space to the kernel’s space properly. Instead, it directly references the memory...