CVE-2026-52936

The CVE-2026-52936 entry describes a Linux kernel fix in crypto/jitterentropy where the jent_kcapi_random() path previously held a spinlock across jent_read_entropy(), causing potential stalls during entropy generation. The vulnerability arises because this spinlock protected an expensive operati...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Net: Restrict SOREUSEPORT to inet sockets. After the bug was identified, crypto sockets could accidentally be destroyed due to a RCU call back, as discovered by zyzbot 1. Attempting to acquire a mutex in an RCU callback is not...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/mediatek: dsi: Store driver data before invoking mipidsihostregister The call to mipidsihostregister triggers a callback to mtkdsibind, which uses devgetdrvdata to retrieve the mtkdsi struct. Therefore, this structure must be...

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: pcm: Fixed a potential data race in the PCM memory allocation helpers The PCM memory allocation helpers include a sanity check to prevent too many buffer allocations. However, this check is performed without proper locking,...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ksmbd: The warning message “Do not call blocking operations when !TASKRUNNING” has been fixed. The waiteventtimeout function will set the state of the current task to TASKUNINTERRUPTIBLE before performing the condition check. Thi...

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: net: hns3: fixed an oops error when unloading drivers that are parallel to each other. When the hclge driver is unloaded, it attempts to disable sriov first for each aedev node from hnae3aedevlist. If the hns3 driver is unloaded ...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: RDMA/mlx5: Fixed a race condition in an ODP MR that can lead to a CQE error. This patch addresses a race condition where an ODP MR can cause a CQE error in the UMR QP. During the mlx5ibderegmr function, the following sequence of...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: GPU: host1x – Fixed a race condition in syncptalloc and syncptfree. A race condition occurred between host1xsyncptalloc and host1xsyncptput, which was addressed by using krefputmutex instead of krefput plus manual mutex locking...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: pinmux: The race condition that resulted in muxowner being NULL with an active muxusecount has been fixed. The commit 5a3e85c3c397 “pinmux: Use sequential access to access desc-pinmux data” attempted to address this issue by...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net: ks8851: Packets are queued in the IRQ handler instead of being disabled during the BH handling process. Currently, the driver uses localbhdisable/localbhenable in its IRQ handler to avoid triggering netrxaction in the softir...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: mm/memfd: Fixed an issue where information leaks occurred during the handling of hugetlb folios. When allocating hugetlb folios for memfd, three initialization steps are missing: 1. The folios are not zeroed, resulting in kern...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: block/rqqos: Protect the rqqos APIs with a new lock. The commit number is 50e34d78815e “block: disable the elevator int delgendisk”. The function rqqosexit was moved from diskrelease to delgendisk. This may introduce some...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: ice: Fixed the LAG and VF lock dependencies in iceresetvf. The commit fixes the issue where the ice driver acquires the LAG mutex during iceresetvf. This lock acquisition is placed just before acquiring the VF configuration...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: drm/hisilicon/hibmc: fixed the issue where hibmc loaded failed. When hibmc loaded failed, the driver used hibmcunload to free the resource, but the mutexes in mode.config were not initialized, which would access a NULL pointer...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: md/md-bitmap: Synchronized bitmapgetstats with the lifetime of the bitmap. After the commit with the code ec6bb299c7c3 “md/md-bitmap: add ‘syncsize’ into struct mdbitmapstats, a panic is reported: Oops: General Protection Fault,...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: cgroup, freezer: Hold cpuhotpluglock before freezermutex. syzbot reports a circular locking dependency between cpuhotpluglock and freezermutex. To address this issue, commit f5d39b020809 “freezer,sched: Rewrite core freezer...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: bluetooth/l2cap: syncsock recvcb and release operations. The issue occurs between the system call to close the socket sockclose and the execution of hcirxwork. In this process, hcirxwork releases the socket, but hcirxwork also...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: HID: corsair-void: Update power supply values using a unified work handler. The function corsairvoidprocessreceiver can be called from an interrupt context. However, locking the batterymutex in this function caused a kernel panic...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: LoongArch: Fixed warnings during S3 suspension The enablegpewakeup function calls acpienableallwakeupgpes, and this function may also call the preemptschedulecommon function. This results in a thread switch, causing the CPU to be...

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

In the Linux kernel, the following vulnerability has been resolved: perf/aux: Fixed AUX buffer serialization. Ole reported that the event-mmapmutex is strictly insufficient to serialize the AUX buffer. To serialize it properly, a per-RB mutex should be added...