Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ext4: Update sjournalinum if it changes after journal replay. When mounting a crafted ext4 image, sjournalinum may change after journal replay. This is obviously unreasonable, because we have successfully loaded and replayed the...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: clk: mmp: pxa1908-apbcp: Fixed the issue where NULL was compared with ISERR. The devmkzalloc function does not return error pointers; it returns NULL in case of an error. Update the check to match this behavior...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: iommufd: The “end” field should be set correctly when performing batch carry operations. Although the test suite covers this issue, it was somehow overlooked that this behavior was incorrect. The test...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: f2fs: Split the initial and dynamic conditions for extentcache. We need to allocate the extentcache tree without dynamic conditions to avoid a panic caused by a missing condition as described below. Create a file with a...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: vsock/bpf: Return early if the transport is not assigned. Some of the core functions can only be called if the transport has been assigned. As Michal reported, a socket may have NULL as the transport value, for example after a...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net/sched: flower: fix filter idr initialization The referenced commit moved the idr initialization too early in flchange, which allows concurrent users to access the filter that is still being initialized and is in an inconsiste...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: - Media: MediTech: vcodec: Added a lock to protect the ctxlist variable, to prevent access to a NULL pointer within the vpudecipihandler function when the ctxlist has been deleted due to an unexpected behavior on the SCP IP...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: bnxten: Fixed a NULL pointer crash in bnxtptpenable during error cleanup. When bnxtinitone fails during initialization e.g., bnxtinitintmode returns -ENODEV, the error handling code calls bnxtfreehwrmresources, which destroys the...

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

In the Linux kernel, the following vulnerability has been resolved: Watchdog: lenovose30wdt: Fixed a possible NULL pointer dereferencing in lenovose30wdtprobe. devmioremap returns NULL upon error. Currently, lenovose30wdtprobe does not check for this case, resulting in a NULL pointer dereferencin...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Driver Core: Fixed a potential nullptrderef in deviceadd. I encountered the following nullptrderef during fault injection testing: Bug: NULL pointer dereferencing in the kernel. Address: 0000000000000058 CPU: 2 PID: 278 Comm:...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: net: vxlan: Prevent NULL dereferencing in vxlanxmitone. Neither sock4 nor sock6 pointers are guaranteed to be non-NULL in vxlanxmitone, especially if the iface is disabled. This can lead to the following NULL dereferences: -...

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: kobject: A sanity check was added for kset-kobj.ktype in ksetregister. When I register a kset in the following manner: c static struct kset mykset; kobjectsetname&mykset.kobj, "mykset"; ret = ksetregister&mykset; A null pointer...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: f2fs: Fixed a kernel crash that occurred due to a null io-bio. We should return immediately if io-bio is null before performing any actions. Otherwise, a panic will occur. BUG: Kernel NULL pointer dereferencing, address:...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Wifi: mt76: mt7996: Avoid NULL pointer dereferencing in mt7996setmonitor The function mt7996setmonitor dereferences thePHY variable before performing the NULL sanity check. This issue could lead to NULL pointer dereferencing. The...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: rtla: Avoid dereferencing a NULL pointer. Fixed the following null/derefnull.cocci errors: ./tools/tracing/rtla/src/osnoisehist.c:870:31-36: Error: The record is NULL, but it was dereferenced...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: pinctrl: canaan: k230: added a NULL check in DT parsing. A NULL check was also added for the return value of ofgetproperty when retrieving the “pinmux” property in the group parser. This prevents a potential NULL pointer...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: Bluetooth: btnxpuart: Fixed a null pointer dereference in the btnxpuartflush function. A check was added before freeing the rx-skb in the flush and close functions to handle kernel crashes that occur when removing the driver...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: OPP: Fixed a potential null pointer dereference in devpmoppgetrequiredpstate. The “opp” pointer is dereferenced before the ISERRORNULL check. This issue was fixed by removing the dereference of the “opp” pointer from the cache an...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Networking: DSA: Felix: Fixed possible NULL pointer dereferencing. As a possible failure during allocation, kzalloc may return a NULL pointer. Therefore, it is better to check for ‘sgi’ to prevent the dereferencing of a NULL...