Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: iio: core: Prevent invalid memory access when there is no parent device. The commit 813665564b3d “iio: core: Convert to use the firmware node handle instead of the OF node” changed the type of nodes used for label retrieval in...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net: hamradio: Fixed a memory leak in mkissclose. My local syzbot instance encountered a memory leak in mkissopen1. The issue arose from the missing freenetdev call in mkissclose. In mkissopen, netdevice is allocated and then...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: crypto: afalg – Corrected incorrect boolean values in afalgctx. The commit 1b34cbbf4f01 „crypto: afalg – Disallowed concurrent writes in afalgsendmsg“ changed some fields from bool to 1-bit u32 fields. However, some assignments t...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: Fixed a possible deadlock in rfcommskstatechange. syzbot reports a possible deadlock in rfcommskstatechange 1. While rfcommsockconnect acquires the sk lock and waits for the rfcomm lock, rfcommsockrelease might acquire...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: - ntfs: Added a sanity check on the allocation size. - ntfsread inodemount calls ntfsmallocnofs with an allocation size of zero. This triggers a bug in the ntfsmalloc function. This issue has been fixed by adding a sanity chec...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: hfs: Fixed OOB write operations in hfsasc2mac. Syzbot reported a OOB write bug: loop0: A change in capacity was detected, from 0 to 64. =========================================== Bug: KASAN: Out-of-bounds access in...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: FS: JFS: Fixed the null-ptr-deref read operation in txBegin. Syzkaller reported a issue where txBegin might be called on a superblock within a read-only mounted file system, leading to a NULL pointer dereference. This issue can b...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: can: isotp: isotpsendmsg: added a result check for waiteventinterruptible. The waiteventinterruptible function is used to wait for complete transmission, but the result of this function, which may be interrupted, is not checked...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: net/sched: Abort tcmodifyqdisc if parent class does not exist Lion’s patch 1 uncovered an ancient bug in the qdisc API. Whenever a user creates or modifies a qdisc with another qdisc as its parent, the qdisc API will detect that...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: platform/chrome: crosecishtp: Fixed a UAF issue after unbinding the driver. After unbinding the driver, another kthread named crosecconsolelogwork still accesses the device, resulting in a UAF and system crash. The driver does no...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net/sched: schets: do not peek at classes beyond ‘nbands’ When the number of DRR classes decreases, the round-robin active list may contain elements that have already been freed in etsqdiscchange. As a result, it’s possible to...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ice: Do not perform transmission before switchdev is fully configured. There is a possibility that iceeswitchportstartxmit might be called while some resources are still not allocated, which could lead to a NULL pointer derefrenc...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: media: v4l2-dv-timings.c: fix too strict blanking sanity checks Sanity checks were added to verify the v4l2bttimings blanking fields in order to avoid integer overflows when the user space passes strange values. However, this...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: drivers: media: dvb-frontends/rtl2830: A bug related to out-of-bounds write operations has been fixed. Ensure that the index in rtl2830pidfilter does not exceed 31 to prevent out-of-bounds access. dev-filters is a 32-bit value;...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: bpf,perf: Fixed an invalid progarray access in perfeventdetachbpfprog Syzbot reported a crash that occurs in the following tracing scenario: - Create a tracepoint with attr.inherit=1, attach it to the process, and set the BPF...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: dmaengine: dma-axi-dmac: The use of a DMA pool to manage DMA descriptors has been implemented. For architectures like Microblaze or Arm64 where this API is used, DMADIRECTREMAP is set, which means that dmaalloccoherent may remap...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: bpf: Cancel special fields on map value recycle Map update and delete operations currently call bpfobjfreefields when a value is being replaced or recycled. This means that the destruction of special fields depends on the context...

Astra Linux – Vulnerability in Linux 5.10, Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: mm/swapfile: condresched was added to getswappages. A softlockup still occurs in getswappages under memory pressure. With 64 CPU cores, 64GB of memory, and 28 zram devices, the size of each zram device is 50MB, and they all have...

Astra Linux – Vulnerability in Linux

A flaw was discovered in the Linux kernel, as access to the global variable fgconsole is not properly synchronized, resulting in a use after free in confontop...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15, Linux-6.1

In the Linux kernel, the following vulnerabilities have been resolved: Ring-Buffer: Fixed a deadloop issue when reading tracepipe. A soft lockup occurs when reading the file ‘tracepipe’: - Watchdog: BUG: Soft lockup – CPU6 stuck for 22 seconds! cat:4488 - ... - RIP: 0010:...