CVE-2026-52921

A flaw was found in the Linux kernel's netfilter ipset component. Specifically, certain hash set variants such as hash:ip,mark and hash:ip,port that iterate IPv4 ranges with a 32-bit iterator do not correctly stop at the end of the requested range. This can cause the iteration to advance beyond t...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: devlink: rate: Unset parent pointer in devlratenodesdestroy The function devlratenodesdestroy is documented to “Unset the parent pointer for all rate objects”. However, it only calls the driver-specific rateleafparentset or...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: The function mostregisterinterface did not properly release resources if it failed early before registering the device. In such cases, it returned an error code immediately, causing the memory allocated for the interface to be...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: Input: lkkbd – Disabling pending work before freeing the device. The lkkbdinterrupt function schedules the lk-tq queue via schedulework. The work handler lkkbdreinit dereferences the lkkbd structure and its serio/inputdev fields...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: kcm: fixed zero-frag skb in fraglist in case of partial sendmsg errors Syzkaller reported a warning in kcmwritemsgs when processing a message with a zero-fragment skb in the fraglist. When kcmsendmsg fills MAXSKBFRAGS fragments i...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: hfsplus: Return error when the node already exists in hfsbnodecreate When hfsbnodecreate detects that a node already exists and has been hashed which should not happen under normal conditions, it currently returns the existing no...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: SUNRPC: authgss: Fixed memory leaks in XDR decoding error paths. The functions gssxdecctx, gssxdecstatus, and gssxdecname allocate memory through gssxdecbuffer, which calls kmemdup. When a subsequent decoding operation fails, the...

Astra Linux – Vulnerability in Systemd

Systemd, a system and service manager, as PID 1 encounters an assertion error and freezes execution when an unprivileged IPC API call is made with spurious data. In versions v249 and earlier, the effect is not an assertion error, but stack overwriting, with the content being controlled by the...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: blk-cgroup: The reinit operation for blkgiostatset is performed after clearing data in blkcgresetstats. When the blkgalloc function is called to allocate a blkcggq structure along with its associated blkgiostatset, there are t...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: media: radio-keene: Fixed a memory leak in the error path. A memory leak was addressed in usbkeeneprobe. The v4l2 control handler was initialized, and controls were added. However, if v4l2deviceregister or videoregisterdevice fai...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: EFI/CPER: Do not dump the entire memory region. The current logic in cperprintfwerr does not check whether the length of the error record is sufficient to handle the offset. In a faulty firmware, if the offset is greater than the...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: smb: client: fixed potential UAF and double-free errors in smb2openfile Set @erriov and @errbuftype to zero before retrying SMB2open, to prevent UAF bugs if @data != NULL; otherwise, a double-free error will occur...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: i3c: dw: Fixed a memory leak in the dwi3cmasteri2cxfers function. The dwi3cmasteri2cxfers function allocates memory for the xfer structure using dwi3cmasterallocxfer. If pmruntimeresumeandget fails, the function returns without...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: RDMA/mlx5: Fix UMR hang in LAG error state unload During firmware reset in LAG mode, a race condition causes the driver to hang indefinitely while waiting for UMR completion during device unload. See 1. In LAG mode the bond devic...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: xfs: Check for deleted cursors when revalidating two btrees. The free space and inode btree repair functions will rebuild both btrees at the same time. After that, it is necessary to evaluate both btrees to confirm that the...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: md/raid1: A memory leak was fixed in raid1run. raid1run calls setupconf, which registers a thread via mdregisterthread. If raid1setlimits fails, the previously registered thread remains unregistered, resulting in a memory leak of...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: smb/server: The function ksmbdsessionrpcclose is called on the error path in the createsmb2pipe function. When the ksmbdiovpinrsp function fails, we should call ksmbdsessionrpcclose...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: ocfs2: A bug in the ocfs2findvictimchain function was fixed. The syzbot reported a kernel bug in ocfs2findvictimchain. This bug occurs because the clnextfreerec field of the allocation chain list the next free slot in the chain...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: media: v4l2-async: Fixed error handling after finding a match. Once an async connection is found to match an fwnode, a sub-device may be registered if it wasn’t already. Its binding operation is performed, auxiliary links are...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: drm/panthor: Resolved issues related to failures in panthorgpuflushcaches. We have observed a few cases where the entire memory subsystem becomes blocked, and flushing operations never complete. In such cases, we want to: -...