Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: gpio: mpsse: ensure worker is torn down. When an IRQ worker is running, unplugging the device can cause a crash. The hardware at the sealevel level for which this driver was written was not hotpluggable; therefore, I wasn’t aware...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: remoteproc: imxdsprproc: Added mutex protection for workqueue The workqueue may execute late, even after remoteproc is stopped or disabled. Some resources such as the rpmsg device and endpoint have been released in...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: iouring: Ensure that ctx-rings is stable when manipulating task work flags. If DEFERTASKRUN | SETUPTASKRUN is used, and task work is added while the ring is being resized, there is a possibility that the OR operation of...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Correctly handling the kvmarminit failure in finalizepkvm Currently, there is no synchronization between the finalizepkvm and kvmarminit initcalls. The finalizepkvm continues to execute even if kvmarminit fails,...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/msm/dp: added atomiccheck to bridge ops In the DRM committails function, if both conditions for disabling the downstream crtc/encoder/bridge are required, and crtc-active is set before pushing a new frame downstream, the...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: nilfs2: fixed a general protection fault in nilfsbtreeinsert If nilfs2 reads a corrupted disk image and attempts to read a b-tree node by calling nilfsbtreegetblock against an invalid virtual block address, it returns -ENOENT...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/xe: Added outer runtime PM protection to xelivektest@xedmabuf. Any process using the kunit interface that performs memory accesses should receive its own outer runtime PM protection, since it does not use the standard driver...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: x86/mm: Ensure that the input to pfntokaddr is treated as a 64-bit type. On 64-bit platforms, the pfntokaddr macro requires that the input value be 64 bits. This ensures that valid address bits are not lost when shifting the...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: skmsg: The allocskmsg function can be called from a non-sleepable context. The skpsockverdictrecv function uses rcureadlock protection. We need the callers to pass a gfpt argument to avoid issues. The report from syzbot stated:...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: afs: Fixed the delayed allocation of a cell’s anonymous key. The allocation of a cell’s anonymous key is performed in a background thread, along with other cell-related operations such as making DNS calls. In the reported bug, th...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: netconsole: The sumutex should be acquired before navigating the configs hierarchy. There is a race between operations that iterate over the cgchildren list and concurrent additions/removals of userdata items through configfs. Th...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: arm64: The issue was fixed in the concurrently setting of insnemulation sysctls. The emulationprochandler function changes table-data for procdointvecminmax. However, it may cause an OOPs error if called concurrently with itself:...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: Landlock: Fixed the handling of disconnected directories. Disconnected files or directories may appear when they are visible and opened from a bind mount, but have been renamed or moved from the source of the bind mount in a w...

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: drm/client: The modes array contains pointers to modes in the connector’s mode lists, which are protected by dev-modeconfig.mutex. Therefore, we need to extend the protection for modes at the same time; otherwise, by the time we...

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: fs: sysfs: Fixed a reference leak in sysfsbreakactiveprotection The sysfsbreakactiveprotection routine has a clear reference leak in its error handling path. If the call to kernfsfindandget fails, kn will be NULL. As a result, th...

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: “aoe”: avoided potential deadlock at setcapacity. setcapacity has been moved outside of the section protected by &d-lock. This prevents possible unsafe locking scenarios due to interrupts. Here’s the sequence of events: 1...

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

In the Linux kernel, the following vulnerability has been resolved: fs/proc: dotaskstat: The sig-statslock lock is used to gather statistics about threads/children. The locktasksighand function can cause a hard lockup. If NRCPUS threads call dotaskstat at the same time, and the process has...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: drm/amdgpu: Fixed the SDMA v4 SW fini error. Fixed the SDMA v4 SW fini error for SDMA 4.2.2 to resolve the following general protection fault. +0.108196 General protection fault; likely due to a non-canonical address...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: nfs/blocklayout: Do not attempt unregistration for invalid block devices Since the commit d869da91cccb “nfs/blocklayout: Fix premature PR key unregistration”, unmounting a pNFS SCSI-layout-enabled NFS may cause a NULL blockdevice...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: btrfs: Protect folio::private when attaching an extent buffer for folios BUG Since version 6.8, several people have reported rare kernel crashes. The common cause is incorrect page status error messages like this: BUG: Incorrect...