CVE-2026-52987

In the Linux kernel, CVE-2026-52987 arises from drm/amdgpu: double calls to drm_exec_fini() in userq_validate when new_addition is true. The code calls drm_exec_fini(&exec) before iterating HMM ranges and then, if amdgpu_ttm_tt_get_user_pages() fails, executes a second drm_exec_fini(&exec) on the...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: nfsd: Check that the server is running in unlockfilesystem. If we try to unlock the filesystem via an administrative interface, and nfsd is not running, it will cause the server to crash. This occurs currently because the...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: libceph: The calctarget function should set t-paused, rather than simply clearing it. Currently, calctarget clears t-paused if the request should no longer be paused. However, it never sets t-paused, even though it can determine...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: drm/tegra: Added a call to putpid. Added a call to putpid corresponding to gettaskpid. host1xmemorycontextalloc does not take ownership of the PID; therefore, we need to free it here to avoid leaks. [email protected]: reword...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: sched/rt: Fixed a race condition in the pushrttask function. Overview ======== When a CPU decides to call the pushrttask function and selects a task to be pushed onto another CPU’s runqueue, it will invoke the findlocklowestrq...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: power: supply: bq25980: A use-after-free occurred in the powersupplychanged function. By using the devm variant to request the IRQ before using the devm variant to allocate/register the powersupply handle, the powersupply handle...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: ublk: The SQE128 flag is validated before accessing the cmd field. The ublkctrlcmddump function accesses the sqe-cmd field before checking the IOURINGFSQE128 flag. This could lead to out-of-boundary memory access. The flag...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: “Revert ‘hwmon: ibmpex fix use-after-free in high/low store’” This revision is associated with the commit 6946c726c3f4c36f0f049e6f97e88c510b15f65d. Jean Delvare points out that the patch does not completely fix the reported...

Astra Linux - Vulnerability in linux-6.1, linux-6.12

In the Linux kernel, the following vulnerability has been resolved: arm64/fpsimd: signal: Allocate SSVE storage when restoring ZA The code to restore a ZA context does not attempt to allocate the task's svestate before setting TIFSME. Consequently, restoring a ZA context can put a task into an...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: net: usb: pegasus: enable basic endpoint checking The pegasusprobe function fills URBs with hardcoded endpoint pipes without verifying the endpoint descriptors: - usbrcvbulkpipedev, 1 for RX data - usbsndbulkpipedev, 2 for TX...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: Wifi: wlcore – Ensure skbheadroom before calling skbpush. This fix prevents occasional skbunderpanic errors in wl1271txwork. In this case, the allocated headroom is less than necessary typically 110 – 94 = 16 bytes...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: ext4: fixed inconsistencies in e4b bitmap reports An inconsistency issue with the bitmap was observed during stress tests under mixed huge-page workloads. Ext4 reported multiple e4b bitmap check failures, such as:...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: ethtool: Avoid overflowing the user-space buffer during stats queries The ethtool -S command operates through three ioctl calls: - ETHTOOLGSSETINFO for the size of the statistics data; - ETHTOOLGSTRINGS for the names of the...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: fou: Do not allow the value 0 for FOUATTRIPPROTO. The function fouudprecv has the same issue mentioned in the previous patch. If FOUATTRIPPROTO is set to 0, the buffer skb is neither freed by fouudprecv nor sent via "resubmit"-ed...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: net: wan/fslucchdlc: Fixed the dmafreecoherent function in uhdlcmemclean. The priv-rxbuffer and priv-txbuffer are allocated together as contiguous buffers in uhdlcinit, but they are freed as two separate buffers in uhdlcmemclean...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: net: can: j1939: j1939xtprxrtssessionactive – The session is deactivated upon receiving the second RTS packet. Since j1939tprxtimer calls j1939sessiondeactivateactivatenext only when the timer is enabled, we need to call this...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: gue: Fixed a skb memory leak associated with the inner IP protocol 0. The syzbot reported a skb memory leak below. 0 The repro process generated a GUE packet with its inner protocol set to 0. The function gueudprecv returns...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: HID: core: Harden s32ton to prevent conversion to 0-bit quantities Testing conducted by the syzbot fuzzer revealed that the HID core encounters a shift-out-of-bounds exception when it attempts to convert a 32-bit quantity to a...

UBUNTU-CVE-2026-52943

In the Linux kernel, the following vulnerability has been resolved: net: skbuff: fix missing zerocopy reference in pskbcarve helpers pskbcarveinsideheader and pskbcarveinsidenonlinear both copy the old skbsharedinfo header into a new buffer via memcpy, which includes the destructorarg pointer uar...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: media: iris: Fixed a use-after-free in irisreleaseinternalbuffers The recent change in commit 1dabf00ee206 “media: iris: gen1: Destroy internal buffers after FW releases” introduced a regression where sessionreleasebuf might free...