Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: amdgputtmgartbind set gtt bound flag Otherwise, after the GTT context is released, the GTT and gart space are freed. However, amdgputtmbackendunbind does not clear the gart page table entry; instead, it leaves a valid...

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

In the Linux kernel, the following vulnerability has been resolved: iommu/amd/iommuv2: Fixed the issue where “pasidstate refcount dec hit 0” generates a warning when “pasid unbind” occurs. When “pasid unbind” is performed, there is a race condition related to outstanding page faults. To prevent...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: gpiolib: cdev: fix NULL-pointer dereferences There are several situations in which the kernel can crash when requests are made to unbind the GPIO device and then system calls related to the GPIO character device’s anonymous file...

Astra Linux – Vulnerability in Linux, Linux 5.10

A vulnerability was discovered in the Linux kernel, where a use-after-free condition could occur in nouveau’s postclose handler if a device is removed. This situation occurs when removing a device—a process that isn’t common for physically removing a video card without shutting down the system...

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

In the Linux kernel, the following vulnerability has been resolved: serial: 8250: Reinit port-pm on port-specific driver unbind When we unbind a serial port via a hardware-specific 8250 driver, the generic serial8250 driver takes over control of the port. After that, an oops occurs approximately ...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: mux: mmio: Fixed the regmap leak that occurs during probe failures. The regmap that may be allocated during a probe is never released. We have switched to using the device-managed allocator, so that the regmap is released during...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: vdpa: fixed a use-after-free in vpvdparemove. When the vpvdpa driver is unbound, vpvdpa is freed in vdpaunregisterdevice, and then vpvdpa-mdev.pcidev is dereferenced in vpmodernremove, triggering a use-after-free. Call trace for...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net: dsa: don’t leak tagger-owned storage on switch driver unbind In the initial commit dc452a471dba, we had a issue where a call to tagops-disconnectdst was issued from dsatreefree, which was called during the tree teardown...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: USB: Gadget: Core: Prevent panic during UVC unconfiguration Avichal Rakesh reported a kernel panic that occurred when the UVC gadget driver was removed from a gadget’s configuration. The panic involves a somewhat complex...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: net: dsa: Fixed a panic that occurred when the DSA master device unbinds during shutdown. Rafael reported that on a system with LX2160A and Marvell DSA switches, if a reboot occurs while the DSA master dpaa2-eth is active, the...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: uaudio: do not allow userspace to block driver unbind In the unbind callback for fuac1 and fuac2, a call to sndcardfree via gaudiocleanup will disconnect the card and then wait for all resources to be released, which...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: tty: goldfish: Fix freeirq on remove Pass the correct devid to freeirq to avoid this error when the driver is unbound. WARNING: CPU: 0, PID: 30, at kernel/irq/manage.c:1895 – freeirq Trying to free an already freed IRQ 65. Call...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ipvs: Fixed the NULL dereference in the error path of ipvsaddservice. When ipvsbindscheduler successfully calls ipvsaddservice, the local variable sched is set to NULL. If ipvsstartestimator subsequently fails, the cleanup code...

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: drm/msm/dp: Resources are freed after they are unregistered. The unbind operation of the DP component iterates through the submodules to unregister them and clean up the situation. However, if the unbind occurs because the DP...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: The oem i2c adapter is removed after the process is completed. This fix addresses a bug where unbinding the GPU would leave the oem i2c adapter registered, resulting in a null pointer dereference when application...

Astra Linux - Vulnerability in linux-5.10, linux

In the Linux kernel, the following vulnerability has been resolved: net: bonding: fix use-after-free after 802.3ad slave unbind commit 0622cab0341c "bonding: fix 802.3ad aggregator reselection", resolves a case where there are multiple aggregation groups in the same bond. bond3adunbindslave...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/vc4: hdmi: Unregister codec device on unbind When the device is bound, we register the HDMI codec device. However, we do not unregister it when the device is unbound, resulting in a situation where the device remains active a...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: PM /devfreq: rk3399dmc: Disabled edev upon removal Otherwise, we encountered an unhandled enable-count when unbinding the DFI device: 1279.659119 ------------ Cut here ------------ 1279.659179 WARNING: CPU: 2 PID: 5638 at...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: In usbnet, there was a flaw where unregisternetdev was called before unbind. The commit with the commit ID 2c9d6c2b871d “usbnet: run unbind before unregisternetdev” was intended to fix a use-after-free issue when disconnecting US...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: iommu/mediatek: Remove clkdisable from mtkiommuremove. After the commit b34ea31fe013 “iommu/mediatek: Always enable the clk on resume”, the iommu clock is controlled by the runtime callback. Therefore, the clkdisable function is...