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

In the Linux kernel, the following vulnerabilities have been resolved: HID: usbhid: Eliminated a recurring out-of-bounds bug in usbhidparse. Updated the struct hiddescriptor to better reflect the mandatory and optional parts of the HID Descriptor according to the USB HID 1.11 specification. Note...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: btrfs: fixed a race condition between direct IO writes and fsync operations when using the same file descriptor. If we have two threads that use the same file descriptor, and one of them performs direct IO writes while the other...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net: nexthop: fix null pointer dereference when IPv6 is not enabled When we attempt to add an IPv6 nexthop parameter, and IPv6 is not enabled !CONFIGIPV6, we encounter a NULL pointer dereference in the error path of nhcreateipv6...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: dmaengine: idxd: Fixed device leaks during the compat bind and unbind operations. Make sure to remove the references to the idxd device when using the compat bind and unbind sysfs interfaces...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: nubus: Partially reversed the conversion of proccreatesingledata. The conversion to proccreatesingledata introduced a regression, where reading a file from /proc/bus/nubus resulted in a segmentation fault: grep -r...

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: vfio/fsl-mc: Blocking calls to interrupt handlers without a trigger. The eventfdctx trigger pointer of the vfiofslmcirq object is initially NULL, and it may become NULL if the user sets the trigger eventfd to -1. The interrupt...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: afunix: Do not leave consecutive consumed OOB skb’s in the recv queue. Jann Horn reported a use-after-free in the unixstreamreadgeneric function. The following sequences reproduce the issue: $ python3 from socket import s1, s2...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerability has been resolved: iio: adc: ad7124 – Fixed a potential overflow issue due to non-sequential channel numbers. Channel numbering must start at 0, and there should be no gaps between channels. Otherwise, it’s possible to exceed the available storage...

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

In the Linux kernel, the following vulnerabilities have been resolved: powerpc/64s/slb: Fixed the issue of multiple hits during SLB preloading. On systems that use the hash MMU, there is a software SLB preload cache that mirrors the entries loaded into the hardware SLB buffer. This preload cache ...

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

In the Linux kernel, the following vulnerabilities have been resolved: xsk: Validated user input for XDPUMEM|COMPLETIONFILLRING syzbot reported an illegal copy in xsksetsockopt 1 Ensure that the @optlen parameter of setsockopt is validated. 1 BUG: KASAN: Out-of-bounds access in...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: dm-crypt, dm-verity: Disable tasklets Tasklets have an inherent problem with memory corruption. The taskletactioncommon function calls tasklettrylock, then it calls the tasklet callback, and then it calls taskletunlock. If the...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: afs: Fixed dynamic root getattr The recent patch to modify afagetattr to consult the server did not take into account the pseudo-inodes used by the dynamic root-type afa superblock. As a result, there was an oops when such a...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: hisiaccvfiopci: fixed the XQE DMA address error. The DMA addresses of EQE and AEQE are incorrect after migration, resulting in failures in the guest kernel-mode encryption services. By comparing the definitions of hardware...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: scsi: core: Fix error handling of scsihostalloc After a device is initialized using deviceinitialize, or its name is set using devsetname, the device must be freed using putdevice. Otherwise, the device name will be leaked, as it...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Net: Bridge: VLAN: Fixed memory leak in allowedingress. When using per-VLAN state, if VLAN snooping and stats are disabled, untagged or priority-tagged ingress frames will go through the pVID state check. If the port state is...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: sched/smt: Fixed the imbalance in schedsmtpresent. I received the following warning during the stress test: jump label: negative count! WARNING: CPU: 3, PID: 38, at kernel/jumplabel.c:263, statickeyslowtrydec+0x9d/0xb0 Call trace...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: mm: hugememory: use !CONFIG64BIT to relax huge page alignment on 32-bit machines. Yves-Alexis Perez reported a commit named 4ef9ad19e176 “mm: hugememory: don’t force huge page alignment on 32-bit machines” that did not work for...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: cifs: potential buffer overflow in handling symlinks Smatch printed a warning: arch/x86/crypto/poly1305glue.c:198 poly1305updatearch error: memcpy 'dctx-buf' too small 16 vs u32max This issue arises because Smatch marks ‘linklen’...

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

In the Linux kernel, the following vulnerability has been resolved: net: added more sanity checks to qdiscpktleninit. One of the approaches handles SKBGSODODGY, assuming that skb-len is greater than hdrlen. The function virtionethdrtoskb does not fully dissect TCP headers; it only ensures that th...

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: serial: protect uartportdtrrts in uartshutdown as well. The commit af224ca2df29 serial: core: Prevent unsafe uart port access, part 3 added several uport == NULL checks. One such check was added to uartshutdown. Therefore, the...