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

In the Linux kernel, the following vulnerability has been resolved: blk-mq: Check the kobject creation status in sysfs before deleting it in blkmqunregisterhctx. In the function blkmqupdatenrHWqueues, the return value of blkmqsysfsregisterhctxs is not checked. If the creation of hctxs in sysfs...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: validate userq input args. This will assist in validating the userq input arguments and rejecting invalid userq requests during IOCTLs...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ASoC: codecs: tx-macro: Fix for KASAN: slab-out-of-bounds When we run syzkaller, we encounter an out-of-bound error. The specific error message is: “KASAN: slab-out-of-bounds Read in regcacheflatread” The backtrace of the issue i...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: ext4: Fixed an inode leak in ext4xattrinodecreate, which occurs on an error path. There is a issue when using setxattr with a fault injection: localhost fsck.ext4 -fn /dev/sda e2fsck 1.46.6-rc1 12-Sep-2022 Pass 1: Checking...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: udf: Avoid double calls to brelse in udfrename syzbot reported a warning like below 1: VFS: brelse: Trying to free a free buffer WARNING: CPU: 2 PID: 7301 at fs/buffer.c:1145 brelse+0x67/0xa0 ... Call Trace:...

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

In the Linux kernel, the following vulnerability has been resolved: powerpc/iommu: The notifiers are shared by the PCI and VIO buses. The failiommusetup function registers the failiommubusnotifier struct for both PCI and VIO buses. The struct notifierblock is a linked-list node, which means that...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: x86/CPU/AMD: Added a missing terminator for zen5rdseedmicrocode Running x86matchminmicrocoderev on a Zen5 CPU results in a KASAN exception due to an out-of-bounds access...

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

In the Linux kernel, the following vulnerabilities have been resolved: afunix: Fixed a data race around unixtotinflight. unixtotinflight is updated under spinlockunixgclock, but unixreleasesock reads it without locking. We will use READONCE for unixtotinflight...

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: 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...

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

In the Linux kernel, the following vulnerability has been resolved: usb: host: max3421-hcd: Fix error pointer dereference in probe cleanup The kthreadrun function returns error pointers, so the max3421hcd-spithread pointer can be either an error pointer or NULL. Check both cases before...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: pmdomain: imx8m-blk-ctrl: The separate reset and clock enable bits are removed for the 8MQ VPU. For the i.MX8MQ platform, the ADB in the VPUMIX domain does not have separate reset and clock enable bits. Instead, both are enabled...

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

In the Linux kernel, the following vulnerability has been resolved: sparc: fixed inaccurate exception reporting in copyfromtouser for UltraSPARC. The referenced commit introduced exception handlers for user-space memory references in copyfromuser and copytouser. These handlers return from the...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: mptcp: avoid deadlock on fallback while reinjecting Jakub reported a MPTCP deadlock at the time of fallback: WARNING: possible recursive locking detected 6.18.0-rc7-virtme 1 Not tainted -------------------------------------------...

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

In the Linux kernel, the following vulnerabilities have been resolved: crypto: safexcel – Cleanup of ring IRQ workqueues on load failure A failure to load the safexcel driver results in the following warning upon boot, because the IRQ affinity has not been properly cleaned up. Ensure that we...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: net/mlx5: Fixed a possible use-after-free in the async command interface The mlx5cmdcleanupasyncctx function should only return after all its callback handlers are completed. Before this patch, there was a race between...

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: rcuscale: Move rcuscalewriter’s scheduletimeoutuninterruptible function to idle. The rcuscale.holdoff module parameter can be used to delay the start of rcuscalewriter’s kthread. However, the hung-task timeout will trigger when t...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: igc: Fixed kernel panic during ndotxtimeout callback The Xeon validation group has conducted some load tests with various hardware configurations. They observed that transmit queue timeouts occurred during these tests. This cause...

Astra Linux – Vulnerability in Linux 6.1

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 in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: mptcp: A stricter state check has been added in mptcpworker. According to Christoph, the mptcp protocol can run the worker when the relevant msk socket is in an unexpected state: c connect // Incoming reset + fastclose // The mpt...