Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: ocfs2: The BUG function was replaced with ocfs2error in ocfs2MoveExtent. In ocfs2MoveExtent, the BUG function was changed to ocfs2error simply to avoid causing the entire kernel to crash due to filesystem corruption...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: i2c: riic: Moving suspend handling to NOIRQ phase Commit 53326135d0e0 “i2c: riic: Adding suspend/resume support” added suspend support for the Renesas I2C driver. Following this change, on RZ/G3E, the following warning appears...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: Bluetooth: hcisync: fixed a race condition in hcicmdsyncdequeueonce. The function hcicmdsyncdequeueonce performs a lookup and then cancels the entry under two separate lock sections. Meanwhile, hcicmdsyncwork can also delete t...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: iommufd: Do not cause an overflow during division for dirty tracking. If pgshift is 63, then BITSPERTYPEbitmap-bitmap pgsize will result in an overflow to 0, which can trigger a division by zero. In this case, the index should...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: ALSA: firewire-motu – added a bounds check in the putuser loop for DSP events. In the DSP event handling code, the putuser loop copies event data. When the user buffer size is not aligned to 4 bytes, it may overwrite data beyond...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: NFS: Fixed a deadlock involving nfsreleasefolio Wang Zhaolong reported a deadlock involving NFSv4.1 state recovery, waiting on kthreadd, which attempts to reclaim memory by calling nfsreleasefolio. The latter cannot proceed due t...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: net/handshake: The function handshakereqsubmit replaces sk-skdestruct, but it never restores it when submission fails before the request is hashed. As a result, handshakeskdestruct returns early, and the original destructor never...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: f2fs: fixed to avoid updating zero-sized extents in the extent cache. As reported by syzbot: F2FS-fs loop0: updateextenttreerange: extent length is zero, type: 0, extent 0, 0, 0, age 0, 0. ------------ Cut here ------------ Kerne...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ntfs3: Treating $Extend records as regular files. Since the commit af153bb63a33 "vfs: catching invalid modes in mayopen" requires that any inode be of one of the types SIFDIR/SIFLNK/SIFREG/SIFCHR/SIFBLK/SIFIFO/SIFSOCK, use SIFREG...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfconncount: Fixed the issue where the “ct” field was leaked during error paths. There are some situations where “ct” might be leaked because error paths skip the refcounted check and return immediately. To address thi...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: drm/panthor: Shmem writes are flushed before mapping buffers with cached mappings. The shmem layer zeroes out new pages using cached mappings. If we do not flush these writes using the CPU, we might leave dirty cachelines behind,...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: ffs: Fixed null pointer access to epfile after ep enable. A race condition occurs when ffsfuncepsenable runs concurrently with ffsdatareset. The ffsdataclear function called in ffsdatareset sets ffs-epfiles to NULL...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: smb/client: fixed a memory leak in smb2openfile Reproducing steps: 1. Server: Directories are exported as read-only. 2. Client: mount -t cifs //$serverip/export /mnt. 3. Client: dd if=/dev/zero of=/mnt/file bs=512 count=1000...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: KVM: SVM: Do not skip unrelated instructions if INT3/INTO is replaced When re-injecting a soft interrupt from an INT3, INT0, or select INTn instruction, discard the exception and retry the instruction if the code stream changes...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: KEYS: Trusted – Fixed a memory leak in tpm2loadcmd. tpm2loadcmd allocates a temporary blob indirectly through tpm2keydecode, but the blob is not freed during failure paths. This issue can be addressed by wrapping the blob with a...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: Bluetooth: In btusb, there is an issue where the cleanup operations during btusbdisconnect are not performed in the correct order, leading to a Use-After-Free UAF condition. There is also a KASAN issue in btusbdisconnect: A re...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: ipv4: A reference count leak was fixed 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 routes that use the dead nexthop. The...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: tpm: Limit the number of PCR banks The function tpm2getpcrallocation does not impose any upper limit on the number of banks. The limit is set to eight banks, so values that exceed this limit from external I/O cause only limite...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: irqchip/mchp-eic: The error code in mchpeicdomainalloc has been fixed. If irqdomaintranslatetwocell sets “hwirq” to = MCHPEICNIRQ 2, it may lead to an out-of-bounds access. The code checks for invalid values, but does not set the...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: orangefs: fixed xattr-related buffer overflow issues… Willy Tarreau forwarded me a message from Disclosure , containing the following warning: The helper function xattrkey uses the pointer variable in the loop condition, rather...