Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: iommu/amd: Fixed a reference count leak in pprnotifier. According to the comments for pcigetdomainbusandslot, it returns a PCI device with a reference count that increments after use. The caller must decrement the reference count...

Astra Linux – vulnerability in linux-5.10, linux-6.1, linux-5.15

In the Linux kernel, the following vulnerability has been resolved: dm-thin: fix metadata refcount underflow There’s a bug in dm-thin within the rebalancechildren function. If an internal btree node contains only one entry, the code attempts to copy all btree entries from its children to the node...

Astra Linux – vulnerability in linux-5.10, linux-5.15, linux-6.1

In the Linux kernel, the following vulnerability has been resolved: comedi: fix divide-by-zero in comedibufmunge The comedibufmunge function performs a modulo operation async-mungechan %= async-cmd.chanlistlen without first checking if chanlistlen is zero. If a user program submits a command with...

Astra Linux – vulnerability in linux-6.1

In the Linux kernel, the following vulnerability has been resolved: rcu-tasks: Fix access non-existent percpu rtpcp variable in rcutasksneedgpcb For kernels built with CONFIGFORCENRCPUS=y, nrcpuids is defined as NRCPUS instead of the number of possible cpus; this will cause the following system...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Net: Ethernet: mtkethsoc: Reset the progptr to oldprog in case of an error in mtkxdpsetup. Reset the eBPF program pointer to oldprog, and do not decrease its reference count if the mtkopen routine in mtkxdpsetup fails...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: perf/x86/intel/uncore: A reference count leak was fixed in snruncoremmiomap. pcigetdevice increases the reference count of the returned pcidev. Therefore, snruncoregetmcdev will return a pcidev with its reference count increased...

Astra Linux – Vulnerability in freerdp3, freerdp2

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.22.0, audinserverrecvformats freed an incorrect number of audio formats upon parse failure i + i, resulting in out-of-bounds access in audioformatsfree. This vulnerability has been fixed in version 3.22.0...

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: fsubset: Fixed an unbalanced reference count in gethfree. gethalloc increments the reference count, but gethfree fails to decrement it. This causes issues when configuring attributes via configfs after unlinking the...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: KVM: s390: pci: Fixed memory accounting for pinned/unpinned pages The accountmem and unaccountmem functions call getuid, which increments the reference count of struct userstruct on every invocation. However, we do not decrement...

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: storage: sddr55: Reject out-of-bound newpba This issue was discovered by Atuin – the Automated Vulnerability Discovery Engine. newpba is derived from the status packet returned after each write operation. A malicious device...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: dmaengine: Fixed an issue where the clientcount variable was incremented twice for public channels when dmachanget was called for a channel. This occurred first in balancerefcount, and again before returning. This resulted in ...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Fixed a reference count leak in dmardevscopeinit. The function foreachpcidev is implemented through pcigetdevice. The comment accompanying pcigetdevice states that it will increase the reference count of the returned...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: gpio: amd8111: Fixed the issue with the reference count leak of PCI devices The function foreachpcidev is implemented through pcigetdevice. The comment accompanying pcigetdevice states that it will increase the reference count...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: fprinter: Only use kref for successful opening of the character device. The printeropen function returns -EBUSY when the character device is already open. However, it increments the dev-kref regardless of the return...

Astra Linux – vulnerability in linux-5.10, linux-5.15, linux

In the Linux kernel, the following vulnerability has been resolved: drm/msm/hdmi: fix memory corruption with too many bridges Add the missing sanity check on the bridge counter to avoid corrupting data beyond the fixed-sized bridge array in case there are ever more than eight bridges. Patchwork:...

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: ext4: fixed the iloc.bh leak in ext4xattr inodeupdateref. The error branch of ext4xattr inodeupdateref forgot to release the refcount for iloc.bh. This issue was discovered during code review...

Astra Linux – vulnerability in linux-6.1, linux-5.15

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix racy issue from session lookup and expire Increment the session reference count within the lock for lookup to avoid racy issue with session expire...

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

In the Linux kernel, the following vulnerability has been resolved: mfd: arizona: Use pmruntimeresumeandget to prevent refcnt leak In arizonaclk32kenable, we should use pmruntimeresumeandget. pmruntimegetsync will increase the refcnt even when it returns an error...

Astra Linux – vulnerability in linux-5.10, linux-6.1, linux-5.15

In the Linux kernel, the following vulnerability has been resolved: media: venus: hfiparser: add check to avoid out of bound access There is a possibility that initcodecs is invoked multiple times during manipulated payload from video firmware. In such case, if codecscount can get incremented to ...

Astra Linux – vulnerability in linux-5.10, linux, linux-5.15

In the Linux kernel, the following vulnerability has been resolved: net/netfailover: fix txq exceeding warning The failover txq is initialized as 16 queues. When a packet is transmitted from the failover device for the first time, the failover device will select the queue returned from the primar...