Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: drm: renesas: rz-du: mipidsi: Fixed a kernel panic that occurred when rebooting certain panels. Since commit 56de5e305d4b “clk: renesas: r9a07g044: Added MSTOP for RZ/G2L”, we may encounter the following kernel panic when...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: PM: domains: Fixed a sleep-in-atomic bug caused by genpddebugRemove When a genpd with GENPDFLAGIRQSAFE is removed, the following sleep-in-atomic bug will occur, as genpdDebugRemove will be called with a spinlock held. 0.029183 BU...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: 9p: Fixed the fid refcount leak in v9fsvfsatomicopendotl. We need to release the directory fid if we fail during the open operation. This fixes the issue where fid leaks occurs with xfstests generic 531...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/i915: The issue of NULL pointer dereferencing was addressed by checking newcrtcstate. intelatomicgetnewcrtcstate may return NULL, unless the crtc state was previously obtained using intelatomicgetcrtcstate. Therefore, we must...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: dm-crypt, dm-verity: Disable tasklets Tasklets have an inherent problem with memory corruption. The taskletactioncommon function calls tasklettrylock, then it calls the tasklet callback, and then it calls taskletunlock. If the...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: BPF: Fixed incorrect pruning due to atomic fetch precision tracking When backtrackinsn encounters a BPFSTX instruction with BPFATOMIC and BPFFETCH, the src register or r0 for BPFCMPXCHG also acts as a destination, thereby receivi...

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: KVM: x86 – Mark the target gfn of the emulated atomic instruction as dirty When emulating an atomic access on behalf of the guest, mark the target gfn as dirty if the CMPXCHG instruction attempts to be executed and fails without ...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: RDMA/rxe: Returns a CQE error if an invalid lkey is provided. In RXE, there is a lack of update of the WQE status in cases of LOCALwrite failures. This caused the following kernel panic if someone performed an atomic operation...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: fixed a DRM panic due to a null pointer when the driver does not support atomic operations. When the driver does not support atomic operations, fb uses plane-fb instead of plane-state-fb. Cherry-picked from commit...

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

In the Linux kernel before version 6.4.5, the file driver/gpu/drm/drmatomic.c contained a use-after-free during a race condition between a nonblocking atomic commit and a driver unloading process...

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

In the Linux kernel, the following vulnerability has been resolved: i2c: core: Perform atomic i2c transfers when !preemptible is set. Since bae1d3a05a8b, i2c transfers are not atomic if preemption is disabled. However, non-atomic i2c transfers require preemption e.g., during waitforcompletion, wh...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: RDMA/cma: Fixed a listener leak in the rdmacmalistenonall function when it fails. If the cmalistenonall function fails, the per-device ID remains in the listenlist, but the state is not set to RDMACMADDRBOUND. When the CMID is...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: RDMA/siw: Fixed a refcounting leak in siwcreateqp. The atomicinc function needs to be paired with an atomicdec function in the error handling path...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: drm/vmwgfx: Fixed the lifetime of the bo cursor memory. Cleanup operations can be performed while the atomic update is still active. This means that the memory acquired during the atomic update does not need to be invalidated ...

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: Sysv: Do not call sbbread with pointerlock held. syzbot reports sleep in atomic context in the SysV filesystem 1. For sbbread, the function is called with rwspinlock held. A bug involving a “deadlock due to...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/i915: Make intelgetcrtcnewencoder less oops-oriented. The purpose of the WARN message was to print something, not to simply report an “oops”. Currently, this exactly happens when we cannot find the Crtc connector in the atomi...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: RISCV: Fixed a race condition when vmap stack overflow occurs. Currently, when detecting vmap stack overflow, RISCV first switches to the so-called shadow stack, and then uses this shadow stack to call getoverflowstack, in order ...

Astra Linux - уязвимость в linux-5.10

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: fncm: Fixed atomic context locking issue The ncmsetalt function was holding a mutex to prevent race conditions with configfs. This function invokes the mightsleep function within an atomic context. The struct pointer...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: scsi: qla2xxx: Fix scheduling while atomic The driver makes a call to the midlayer function fcremoteportdelete, which can put the thread in a sleep state. The thread that originates the call is in an interrupt context. The...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/msm/dpu: Added a null pointer check for dpuencoderneedsmodeset. The drmatomicgetnewconnectorstate function may return NULL if the connector is not part of the atomic state. A check was added to prevent a NULL pointer...