Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: bpf, cpumap: Ensure that the kthread is running before the map update returns. The following warning was reported when running stress-mode enabled xdpredirectcpu with some RT threads: ---------- Cut here ------------ WARNING: CPU...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ipv4: Use RCU protection in iprtupdatepmtu. iprtupdatepmtu must use RCU protection to ensure that the network structure it reads does not disappear...

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

In the Linux kernel, the following vulnerability has been resolved: ALSA: Timer – Setting a lower limit on the start tick time Currently, the ALSA timer does not have a lower limit for the start tick time. It allows a very small size, for example, 1 tick with a resolution of 1 ns for the hrtimer...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: s390/dasd: Fixed an Oops in the dasdaliasgetstartdev function due to a missing pavgroup parameter. The Oops occurred because the pavgroup pointer was set to NULL before the function was entered. This allowed a race condition...

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

In the Linux kernel, the following vulnerability has been resolved: net/xen-netback: This issue prevents a Use-after-Free UAF condition in xenvifFlushHash. During the listforeachentryrcu iteration, when calling xenvifFlushHash, kfreercu does not exist within the rcu read critical section...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ksmbd: The ATTRCTIME flags were set when setting the mtime. David reported that the new warning from setattrcopymgtime appears as follows: 113.215316 ------------ Cut here ----------- 113.215974 WARNING: CPU: 1 PID: 31 at...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: arm64: The issue was fixed in the concurrently setting of insnemulation sysctls. The emulationprochandler function changes table-data for procdointvecminmax. However, it may cause an OOPs error if called concurrently with itself:...

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: - In the net subsystem, do not delay the execution of dstentriesadd within dstrelease. - dstentriesadd uses data per-core that might be freed during the dismantling of ip6routenetexit, by calling dstentriesdestroy. Before...

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: ACPICA: Refuses to evaluate a method if arguments are missing As reported in 1, a platform firmware update increased the number of method parameters and forgot to update at least one of its callers. This caused ACPICA to crash du...

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

In the Linux kernel, the following vulnerability has been resolved: rcu-tasks: Fixed the buffer overflow in showrcutasksTracegpkthread. There is a possibility of buffer overflow in showrcutasksTracegpkthread if the counters passed to sprintf are very large. The counter values used for this functi...

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

In the Linux kernel, the following vulnerability has been resolved: bpf: Deferring the release of the inner map when necessary When updating or deleting an inner map in the map array or map htab, the map may still be accessed by non-sleepable programs or sleepable programs. However, when the...

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

In the Linux kernel, the following vulnerability has been resolved: powerpc/rtasflash: Allow user copy to flash block cache objects With hardened usercopy enabled CONFIGHARDENEDUSERCOPY=y, using the /proc/powerpc/rtas/firmwareupdate interface to prepare a system firmware update results in a BUG: ...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: octeontx2-pf: Fixed potential use after free in otx2tcaddflow This code calls kfreercunewnode, rcu, then dereferences newnode, and then derefs it again in the next line. After two lines, a mutex is acquired; therefore, I don’t...

Astra Linux – Vulnerability in docker.io

Moby is an open-source project created by Docker to enable software containerization. A bug was discovered in Moby Docker Engine where attempting to copy files using docker cp into a specially crafted container can result in changes to Unix file permissions for existing files in the host’s...

Astra Linux – Vulnerability in openjpeg2

OpenJPEG version 2.3.1 has a heap-based buffer overflow issue in the opjt1clbldecodeprocessor function in openjp2/t1.c, due to the lack of validation for the opjj2kupdateimagedimensions function...

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

In the Linux kernel, the following vulnerability has been resolved: jbd2: Stop waiting for space when jbd2cleanupjournaltail returns an error. In jbd2logwaitforspace, we may call jbd2cleanupjournaltail to reclaim some journal space. However, if an error occurs during the execution of...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: binfmtflat: Corruption occurred when data start offsets were not applied. The commit 04d82a6d0881 “binfmtflat: Allow not offsetting data start” introduced a RISC-V-specific variant of the FLAT format. This variant does not alloca...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: fpga: bridge: Added a module owner field and used its pointer to count the reference count of the module. The current implementation of the fpgabridge assumes that the low-level module registers a driver for the parent device...

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

In the Linux kernel, the following vulnerability has been resolved: fpga: region: adding the owner module and taking its reference count The current implementation of the fpga region assumes that the low-level module registers a driver for the parent device and uses its owner pointer to take the...

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

In the Linux kernel, the following vulnerability has been resolved: afs: Increase the buffer size in afsupdatevolumestatus. The maximum length of the volume-vid value is 20 characters. Therefore, increase the size of idbuf to 24 to avoid overflow. Found by the Linux Verification Center...