Astra Linux – Vulnerability in gpsd

There is an integer underflow vulnerability in the nextstate function in gpsd/packet.c in gpsd versions prior to the commit ffa1d6f40bca0b035fc7f5e563160ebb67199da7. When parsing a NAVCOM packet, the payload length is calculated using lexer-length = sizetc - 4, without checking whether the input...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: IOMMU: Disable SVA when CONFIGX86 is set The patch series “Fix stale IOTLB entries for kernel address space”, version 7, proposes a fix for a security vulnerability related to IOMMU Shared Virtual Addressing SVA. In an SVA contex...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: net/sched: ets: fixed a divide-by-zero issue in the offload path Offloading ETS requires calculating the WRR weight for each class. This is done by averaging the sums of quanta, denoted as ‘qsum’ and ‘qpsum’. Using unsigned in...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: nfc: hci: shdlc: Stop timers and perform cleanup before freeing the context. The llcshdlcdeinit function cleans up SHDLC skb queues and frees the llcshdlc structure. During this process, timer functions and the state machine may...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: xfrm: Always flush the state and policy upon the NETDEVUNREGISTER event. syzbot reports that the refcount of “struct xfrmstate” is leaking. unregisternetdevice: Waiting for netdevsim0 to become free. Usage count = 2. reftracke...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: xfs: fixed issues with freemap adjustments when adding xattrs to leaf blocks. Both xfs/592 and xfs/794 fail this assertion in the leaf block freemap adjustment code after approximately 20 minutes of execution on my test VMs...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: ocfs2: fixed the issue with preserving cleanup for reflinks. The commit c06c303832ec “ocfs2: fixed the error where xattr array entries were not properly handled” does not handle all cases, and the cleanup of preserved xattr...

Astra Linux – Vulnerability in libheif

libheif is a decoder and encoder for HEIF and AVIF file formats. In versions 1.21.2 and earlier, a crafted 792-byte HEIF sequence file with samplesperchunk=0 in the stsc field could cause an unsigned integer underflow in the Chunk constructor mlastsample = 0 + 0 - 1 = UINT32MAX, causing all sampl...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: alpha: Fixed corruption in user-space during memory compaction. Alpha systems may experience sporadic crashes in user-space and heap corruption when memory compaction is enabled. Symptoms include SIGSEGV signals, failures by t...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: drm/xe/regsr: Fixed a leak that occurred when xastore failed. The newly allocated entry was freed when xastore failed, thereby avoiding a memory leak in the error path. v2: Used “goto failfree”. Bala Cherry-picked from commit...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: migrate: corrected lock ordering for hugetlb file folio operations Syzbot has identified a deadlock analyzed by Lance Yang: 1 Task 5749: Holds foliolock, then attempts to acquire immaprwsem read lock. 2 Task 5754: Holds...

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: Bluetooth: btusb: mediatek: Avoid NULL dereference of btusbmtkclaimisointf In the btusbmtksetup function, we set btmtkdata-isopktintf to: usbifnumtoifdata-udev, MTKISOIFNUM This function may return NULL in some cases. Even when...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: btrfs: Do not log conflicting inodes if it’s a directory that was moved during the current transaction. We cannot log an conflicting inode if it’s a directory that was moved from one parent directory to another parent directory...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: locking/spinlock/debug: Fixed a data race in dorawwritelock. KCSAN reports: BUG: KCSAN: Data race in dorawwritelock/dorawwritelock. The following operations were performed: Write 0xffff800009cf504c 4 bytes to memory by task 11...

Astra Linux – Vulnerability in Capstone

Capstone is a disassembly framework. In versions 6.0.0-Alpha5 and earlier, a unchecked return from vsnprintf in SStreamconcat allowed a malicious csoptmem.vsnprintf to manipulate SStream’s index beyond its limit, resulting in a stack buffer underflow/overflow when the next write operation occurre...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: clk: mediatek: fix ofiomap memory leak Matching reports: drivers/clk/mediatek/clk-mtk.c:583 mtkclksimpleprobe warning: ‘base’ from ofiomap is not released on lines: 496. This problem was also found in linux-next. In...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Fixed a situation where a hard lockup occurs in the virtual machine after prolonged inactivity, due to the periodic HV timer. When advancing the expiration of the guest’s APIC timer in periodic mode, set the expiration ...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: spi: fsl-cpm: Length parity checks were performed before switching to 16-bit mode. The commit fc96ec826bce “spi: fsl-cpm: Use 16-bit mode for large transfers with even size” failed to ensure that the size of the data transfer was...

Astra Linux – Vulnerability in 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...