Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: x86/fred: Correct speculative safety in fredextint The arrayindexnospec function is ineffective if the result is spilled to the stack, as it makes the supposedly safe-under-speculation value subject to memory predictions. For all...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: dpaa2-switch: Fixed an issue where an interrupt storm occurred after receiving a corrupted ifid in the IRQ handler. Commit 31a7a0bbeb00 “dpaa2-switch”: added a range check for ifid in the IRQ handler introduces a mechanism to...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: AppArmor: Fixed and optimized the creation of tables from potentially unaligned memory. The source code may come from user space, and it might be unaligned. Try to optimize the copying process by avoiding unaligned memory...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: cifs: Some missing initializations occurred during replay. In several places in the code, we have a label that indicates the start of the code where a request can be replayed if necessary. However, some of these places lacked the...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: drm/vmwgfx: Fixed a nullptr access in the cursor snooper. Checked that the resource, which is converted to a surface, exists before trying to use the cursor snooper on it. vmwcmdrescheck allows explicit invalid identifiers e.g...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: btrfs: Fix for NULL dereference on the root when tracing inode eviction. When evicting an inode, the first thing we do is to set up tracing for it, which involves fetching the root’s ID. However, in btrfsevictinode, the root migh...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: net/mlx5e: Fixed the crash that occurred during profile change rollback failure. The mlx5enetdevchangeprofile function may fail to attach a new profile and may fail to roll back to the old profile. In such cases, we might end ...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: romfs: Check the return value of sbsetblocksize. The romfsfillsuper function ignores the return value of sbsetblocksize, which may fail if the requested block size is incompatible with the block device’s configuration. This issue...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: ntfs3: Fixed an issue where uninit memory was allocated after a failed miread operation in miformatnew. Fixed a KMSAN un-init bug identified by syzkaller. The ntfsgetbh function expects a buffer from sbgetblk; this buffer may...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: can: j1939: make j1939sessionactivate fail if the device is no longer registered. syzbot still reports: unregisternetdevice: waiting for vcan0 to become free. Usage count = 2. Even after commit 93a27b5891b8 “can: j1939: add missi...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: ipv6: A bug in rt6getpcpuroute under PREEMPTRT has been fixed. On PREEMPTRT kernels, after rt6getpcpuroute returns NULL, the current task can be preempted. Another task running on the same CPU may then execute rt6makepcpuroute an...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: gfs2: Prevent recursive memory reclamation The new inode function returns a new inode with inode-imapping-gfpmask set to GFPHIGHUSERMOVABLE. This value includes the GFPFS flag, allowing allocations in that address space to...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: mlxsw: spectrumrouter: Fix neighbor use-after-free We sometimes encounter situations where a use-after-free occurs when dereferencing a neighbor pointer. The issue seems to arise because the driver stores a pointer to the neighbo...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: “net/mlx5: Block entering switchdev mode with ns inconsistency” has been reverted. This reversion is associated with the commit 662404b24a4c4d839839ed25e3097571f5938b9b. The reversion is necessary due to concerns that this issue...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net: sched: actconnmark: Initialize struct tcife to prevent kernel leaks. In tcfconnmarkdump, the variable ‘opt’ was partially initialized using a specified initializer. As a result, the padding bytes remained uninitialized. The...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: Wifi: rtw88: Fixed an alignment fault in rtwcoreenablebeacon. The rtwcoreenablebeacon function reads 4 bytes from an address that is not a multiple of 4. This results in a crash on some systems. Instead, only 1 byte is...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: Bluetooth: MGMT: Fixed a memory leak in setsspcomplete. The memory leak was fixed in setsspcomplete, where the mgmtpendingcmd structures are not freed after they are removed from the pending list. Commit 302a1f674c00 “Bluetoot...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: net/handshake: Duplicate handshake cancellations cause a socket leak. When a handshake request is cancelled, it is removed from the handshakenet-hnrequests list, but it remains in the handshakerhashtbl until it is destroyed. If a...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: interconnect: debugfs: initializing srcnode and dstnode to empty strings The debugfscreatestr API assumes that the string pointer is either NULL or points to valid kmalloc memory. Leaving the pointer uninitialized can cause...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: procfs: Avoid fetching the build ID while holding the VMA lock. Fix the PROCMAPQUERY to fetch the optional build ID only after releasing the mmaplock or the per-VMA lock, whichever was used to lock the VMA, to prevent deadlock...