Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: net: enetc: avoid buffer leaks on xdpdoredirect failure Before enetccleanrxringxdp calls xdpdoredirect, each software BD in the RX ring between index origi and i can have one of two refcount values on its page. We are the owner o...

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

In the Linux kernel, the following vulnerabilities have been resolved: ax25: Fixed the reference count leak issue in ax25dev. The functions ax25addrax25dev and ax25devdevicedown have a reference count leak issue related to the object “ax25dev”. Memory leak issue in ax25addrax25dev: The reference...

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: iio: light: bh1780: fix PM runtime leak on error path The function pmruntimeputautosuspend has been moved before the error check, to ensure that the PM runtime reference count is always decremented after pmruntimegetsync,...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: RDMA/irdma: Fixed a deadlock that occurred during netdev reset with active connections. This issue was addressed by preventing the deadlock that occurs when the netdev function is executed during a device reset while RDMA...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: smb: client: Fixed a refcount leak for cifssbtlink. Fixed three inconsistencies related to refcounts in cifssbtlink. The comments for cifssbtlink indicate that cifsputtlink must be called after successful calls to cifssbtlink...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: bpf: Fixed a reference count leak in bpfprogtestrunxdp syzbot reports: unregisternetdevice: Waiting for sit0 to become available. Usage count = 2. A debug printk patch revealed that a reference count is obtained at...

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: BPF: Avoid holding the freezemutex during the mmap operation. We use the map-freezemutex to prevent race conditions between the mapfreeze function and memory mapping operations with writable permissions. The way we currently hand...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: 9p: Fixed the fid refcount leak in v9fsvfsgetlink. We now check for protocol versions that are later than required, after a fid has been obtained. Simply move the version check to an earlier stage...

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

In the Linux kernel, the following vulnerability has been resolved: Fat: Avoid underflow of the parent link count in rmdir. Corrupted FAT images may cause the directory inode to have an incorrect inlink value e.g., 2, even though subdirectories exist. rmdir then will unconditionally call...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: usb: ohci-nxp: Fixed the refcount leak in ohcihcdnxpprobe. ofparsephandle returns a node pointer with a refcount incremented; we should use ofnodeput on it when it is no longer needed. Add ofnodeput to avoid the refcount leak...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: net/smc: Fixed a socket reference count leak in smcswitchconns. The smcswitchconns function takes a reference to the SMC socket before releasing the lgr-connslock; as a result, the connection remains active while the CDC slot ...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: filemap: Fixing the bounds checking in filemapread. If the caller provides an iocb-kipos value that is close to the upper limit of the filesystem, and an iterator with a count that causes us to exceed that limit, then filemapread...

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 – 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: rose: convert 'use' field to refcountt The ‘use’ field in struct roseneigh serves as a reference counter but lacks atomicity. This can result in race conditions, where a roseneigh structure is freed while still being...

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 in linux

In the Linux kernel, the following vulnerability has been resolved: smackfs: restrict bytes count in smksetcipso Oops, I failed to update the subject line. From 07571157c91b98ce1a4aa70967531e64b78e8346 Mon Sep 17 00:00:00 2001 Date: Mon, 12 Apr 2021 22:25:06 +0900 Subject: PATCH smackfs: restrict...