Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: mm/secretmem: A panic occurs when growing a memfdsecret. When attempting to grow an existing memfdsecret using ftruncate, a panic occurs 1. For example, performing the following reliably will cause the panic: c fd = memfdsecret;...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: qede: ensure that the skb is allocated before use. qedebuildskb assumes that buildskb always works and proceeds directly to skbreserve. However, buildskb may fail under memory pressure. This results in a kernel panic because the...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Add exception protection processing for vd in the axichanhandleerr function. Since there is no protection for vd, a kernel panic will be triggered in exceptional cases. You can refer to the processing of the...

Astra Linux – Vulnerability in Linux 5.10

A flaw was discovered in the IPv6 module of the Linux kernel. The arg.result parameter was not used consistently in fib6rulelookup; sometimes rt6info was used, and other times fib6info. This issue was not accounted for in other parts of the code, where rt6info was expected to be used...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ptdma: In ptcoreexecutecmd, it is necessary to use a spinlock. The interrupt handler ptcoreirqhandler of the ptdma driver can be called from the interrupt context. The code flow within this function may lead to ptcoreexecutecmd,...

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

A race condition was detected in the Linux kernel’s DRM/Exynos device driver, specifically in the exynosdrmcrtcatomicdisable function. This can lead to a null pointer dereferencing issue, which may potentially cause a kernel panic or a denial of service condition...

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

A flaw was discovered in the Linux kernel’s NVMe driver. This issue may allow an unauthenticated malicious actor to send a set of crafted TCP packets when using NVMe over TCP. This can lead to the NVMe driver dereferencing a NULL pointer, resulting in kernel panic and a denial of service...

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: tee: optee: Fixed the kernel panic caused by incorrect error handling. The error path when failing to register devices on the TEE bus contains a bug that leads to kernel panic. The details are as follows: 15.398930 Unable to hand...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: f2fs: fixed the sanity check on the destination blkaddr during recovery. As Wenqing Liu reported in Bugzilla: https://bugzilla.kernel.org/showbug.cgi?id=216456 loop5: detected a change in capacity from 0 to 131072. F2FS-fs...

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

In the Linux kernel, the following vulnerability has been resolved: scsi: storvsc: Fix handling of virtual Fibre Channel timeouts Hyper-V provides the ability to connect Fibre Channel LUNs to the host system and present them as SCSI devices in a guest VM. I/O to the vFC device is handled by the...

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

In the Linux kernel, the following vulnerability has been resolved: net: mvpp2 – Clearing the BM pool before initialization. The register values persist after booting the kernel using kexec, which results in a kernel panic. Therefore, it is necessary to clear the BM pool registers before...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: Bluetooth: Fixed a crash that occurs when re-plugging CSR fake controllers. It seems that fake CSR 5.0 clones can cause the suspend notifier to be registered twice, resulting in the following kernel panic: 71.986122 Call Trace...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: tee: amdtee: fixed a race condition in amdteeopenSession. There is a potential race condition in amdteeopenSession that may lead to a use-after-free. For example, in amdteeopenSession, after sess-sessmask is set, and before the...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: dm rq: Do not queue the request to blk-mq during DM suspension. DM uses blk-mq's quiesce/unquiesce to stop/start the device mapper queue. However, blk-mq's unquiesce may be triggered by external events, such as changes in the...

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

In the Linux kernel, the following vulnerability has been resolved: net:bcmgenet: Added a check for oversized packets. Occasionally, we may receive oversized packets from the hardware that exceed the maximum buffer size of 2 KiB allocated for SKBs. A proactive check is added to discard such...

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

In the Linux kernel, the following vulnerabilities have been resolved: IB/hfi1: Fixed a possible panic during hotplug remove. During hotplug remove, it is possible that the update counters’ operations might still be pending, and they may execute after the memory has been freed. Canceling the upda...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: drm/stm: ltdc: fix late dereference check In ltdccrtcsetcrcsource, the struct drmcrtc was dereferenced before the pointer check by the containerof function. This could cause a kernel panic. Fix this “match warning”:...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: powerpc/rtas: Avoid scheduling in rtasosterm. It is unsafe to use rtasbusydelay to handle a busy status from the IBM,os-term RTAS function in rtasosterm: Kernel Panic – Not Syncing: Attempted to kill init! Exitcode = 0x0000000b...

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

In the Linux kernel, the following vulnerabilities have been resolved: usb: mtu3: Fixed the kernel panic that occurred during the qmu transfer done interrupt handler. When handling the qmu transfer interrupt, the @mtu-lock is unlocked before returning the request. If another thread handles the...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: tty: serial: fsllpuart: disable dma rx/tx use flags in lpuartdmashutdown lpuartdmashutdown tears down the lpuart DMA mechanism, but lpuartFlushBuffer can still occur. This attempt to access DMA APIs occurs if the lpuartDMATXuse...