kernel: Linux kernel: Use-after-free in xc5000 tuner driver due to race condition

A use-after-free flaw was identified in the Linux kernel’s media tuner xc5000 driver. In the vulnerable code path, xc5000release calls canceldelayedwork to cancel a pending delayed work item timersleep without guaranteeing that the work handler has fully completed. Under a race condition, the...

CVE-2026-63277

LibreOffice Calc can link a cell range to an external data source, and the link is saved in the document. A document could name a Java database driver for such a link to be loaded from a remote location, so opening the document could run Java code from that location. In fixed versions an entry in...

UBUNTU-CVE-2026-63277

LibreOffice Calc can link a cell range to an external data source, and the link is saved in the document. A document could name a Java database driver for such a link to be loaded from a remote location, so opening the document could run Java code from that location. In fixed versions an entry in...

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

The brcm80211 component in the Linux kernel, from version 6.5.10 onwards, has a use-after-free issue in the code for disconnecting devices via hotplug i.e., removing the USB connection. For attackers who have physical access and local privileges, “this could be exploited in a real-world scenario....

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: drm/msm/dpu: cleanup of FB if dpuformatpopulatelayout fails If dpuformatpopulatelayout fails, then FB is prepared, but not cleaned up. This results in the pincount being leaked from the GEM object, causing a crash during DRM file...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: scsi: ibmvfc: Store the vhost pointer during subcrq allocation Currently, the back pointer from a queue to the vhost adapter is not set until after the subcrq interrupt registration. This value becomes available when a queue is...

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

In the Linux kernel, the following vulnerability has been resolved: net: usb: smsc75xx: Limit packet length to skb-len The packet length retrieved from skb data may be larger than the actual socket buffer length up to 9026 bytes. In such cases, the cloned skb passed through the network stack may...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: crypto: qat – fix out-of-bounds read When preparing an AER-CTR request, the driver copies the key provided by the user into a data structure that is accessible by the firmware. If the target device is QAT GEN4, the key size is...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: Fixed the issue where the mmap write lock was not released. If the mmap write lock is acquired while draining a retry fault, the mmap write lock is not released because svmrangerestorepages calls mmapreadunlock before...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: Staging: vt6655 – Fixed some erroneous memory cleanup loops. In some initialization functions of this driver, memory is allocated using ‘i’ as an index variable, with the value increasing from 0. The “Fixes” section includes...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ipack: ipoctal: fix module reference leak A reference to the carrier module was taken every time it was used, but it was only released once, when the final reference to the tty struct was removed. This issue was fixed by taking t...

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

In the Linux kernel, the following vulnerability has been resolved: Media: pvrusb2: Fix for a UAF in pvr2contextsetnotify Reported by Syzbot Bug: KASAN: “Slab-use-after-free” in pvr2contextsetnotify+0x2c4/0x310; file: drivers/media/usb/pvrusb2/pvrusb2-context.c, line 35. A 4-byte read at address...

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: scsi: qla2xxx: Fixing the deletion race condition A system crash occurs when using the debug kernel due to corruption of the link list. The cause of the link list corruption is that session deletion was allowed to be queued...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: net: ena: Fixed error handling in enainit The enainit function no longer destroys the workqueue created by createsinglethreadworkqueue when pciregisterdriver fails. Calling destroyworkqueue when pciregisterdriver fails prevents...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: net: dsa: bcmsf2: do not use devres for mdiobus As explained in the commits: 74b6d7d13307 "net: dsa: realtek: register the MDIO bus using devres" 5135e96a3dd2 "net: dsa: do not allocate the slavemiibus using devres" The...

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

In the Linux kernel, the following vulnerability has been resolved: wifi: brcmfmac: cfg80211: The PMK parameter is now passed as binary data, rather than hexadecimal data. It appears that the hexadecimal passphrase mechanism does not work on newer chips/firmwares e.g., BCM4387. There was actually...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: added a NULL check at the beginning of dcvalidatestream. Reason To prevent invalid memory access. How Check whether dc and stream are NULL...

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 this value. Fixed a...

Astra Linux – Vulnerability in Linux, Linux 5.10

The vmwgfx driver contains a local privilege escalation vulnerability that allows unprivileged users to gain access to files opened by other processes on the system through a dangling ‘file’ pointer...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: atl1c: Workaround for the DMA RX overflow issue. This work is based on the alx driver commit 881d0327db37 “net: alx: Workaround for the DMA RX overflow issue”. The alx and atl1c drivers both had RX overflow errors; therefore, ...