Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: x86/fpu: Clear XSTATEBVi in the guest XSAVE state whenever XFDi=1 When loading the guest XSAVE state via KVMSETXSAVE, and when updating XFD in response to a guest WRMSR, the disabled features in XSTATEBV are cleared to ensure tha...

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

In the Linux kernel, the following vulnerability has been resolved: x86/entry32: CPU buffers are cleared after register restoration in NMI return. Currently, CPU buffers are cleared after a call to excnmi, but before the register state is restored. This may be acceptable for MDS mitigation, but n...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: KVM: nSVM: Check instead of asserting on nested TSC scaling support Check for nested TSC scaling support on nested SVM VMRUN instead of asserting that TSC scaling is exposed to L1 if L1’s MSRAMD64TSCRATIO has diverged from KVM’s...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: drm/i915: Fixed potential context UAFs. The gemcontextregister function makes the context visible to user space, and a separate thread can trigger the I915GEMCONTEXTDESTROY ioctl command. Therefore, we need to ensure that...

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

In the Linux kernel, the following vulnerability has been resolved: ppdev: An error check was added in registerdevice. In registerdevice, the return value of idasimpleget is unchecked. In this case, idasimpleget will use an invalid index value. To address this issue, the index should be checked...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: iio: light: isl29028: Fixed the warning in isl29028remove The driver uses a non-managed form of the register function in isl29028remove. To maintain the release order that mirrors the ordering in probe, the driver should also use...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: cxl: A possible null-ptr-deref issue has been fixed in cxlpciinitafu|adapter. If deviceregister fails in cxlpciafu|adapter, the device is not added. In this case, deviceunregister cannot be called in the error path. Otherwise, a...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: media: amphion: Set video drvdata before registering the video device. video drvdata should be set before the video device is registered; otherwise, videodrvdata may return NULL in the open file operations, leading to errors...

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

In the Linux kernel, the following vulnerability has been resolved: pwm: berlin: Fixed the incorrect register used in suspend/resume operations. The “enable” register should be BERLINPWMEN instead of BERLINPWMENABLE. Otherwise, the driver will access the wrong address, leading to a CPU exception...

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

In the Linux kernel, the following vulnerabilities have been resolved: i3c: Use i3cdev-desc-info instead of calling i3cdevicegetinfo to avoid deadlock. A deadlock may occur because i3cmasterregister acquires &i3cbus-lock twice. See the log below. Use i3cdev-desc-info instead of calling...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Load DR6 with the guest value only before entering the .vcpurun loop. Move the conditional loading of hardware DR6 with the guest’s DR6 value out of the core .vcpurun loop to fix a bug where KVM may load hardware with a...

Astra Linux – Vulnerability in Linux, Linux 5.10

A flaw after-free usage in the function scosocksendmsg of the Linux kernel’s HCI subsystem was discovered. This flaw allows a privileged local user to exploit it to crash the system or escalate their privileges on the system. This flaw triggers a race condition when the user calls ioct...

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

In the Linux kernel, the following vulnerability has been resolved: Media: edia: dvbdev: fixed a use-after-free issue. In dvbregisterdevice, pdvbdev is set to equal dvbdev, which is freed in several error-handling paths. However, pdvbdev is not set to NULL after dvbdev’s deallocation, resulting i...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: clk: clocking-wizard: Fixed an error in clkwzrdregisterdivider. A match was detected for a potential error of dereferencing the pointer in clkwzrdregisterdivider. If devmclkHWRegister fails, it sets “hw” to an error pointer, and...

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

In the Linux kernel, the following vulnerabilities have been resolved: rapidio: Fix an API misuse when rioaddnet fails. rioaddnet calls deviceregister, and it fails when deviceregister does. Therefore, putdevice should be used instead of kfree. Also, add "mport-net = NULL;" to avoid a...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: nfsd: Do not ignore the return code of svcprocregister. Currently, nfsdprocstatinit ignores the return value of svcprocregister. If the creation of the procfile fails, the kernel will issue a WARN when it attempts to remove the...

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: fbdev/ep93xx-fb: Do not assign to struct fbinfo.dev. Do not assign the Linux device to struct fbinfo.dev. The call to registerframebuffer initializes the field to the fbdev device. Drivers should not override its value. Fixed a b...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: iio: sca3000: Fixed a resource leak in sca3000probe The variable spi-irq is not released after the requestthreadedirq function calls, when iiodeviceregister fails. Added a return value check and a jump to a common error handler...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: Replace Mutex with Spinlock for RLCG register access to avoid Priority Inversion in SRIOV RLCG Register Access is a way for virtual functions to safely access GPU registers in a virtualized environment, including TLB...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerability has been resolved: BPF: Fixed the masking negation logic when dealing with a negative dst register. The negation logic for the case where the offreg is stored in the dst register is incorrect; therefore, we cannot simply invert the addition operati...