CVE-2026-68176

In the Linux kernel, the following vulnerability has been resolved: tracing: Fix mmiotrace possible NULL dereferencing of hiter-dev If the mmiopipeopen fails to find a PCI device, the hiter-dev will be assigned to NULL. The mmiotrace read function dereferences the hiter-dev if hiter exists. Chang...

CVE-2026-68308 wifi: mt76: mt7996: check pointer returned by mt76_connac_get_he_phy_cap()

In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7996: check pointer returned by mt76connacgethephycap mt76connacgethephycap routine can theoretically return NULL so check cap pointer before dereferencing it...

EUVD-2026-55409

In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7996: check pointer returned by mt76connacgethephycap mt76connacgethephycap routine can theoretically return NULL so check cap pointer before dereferencing it...

CVE-2026-68225

The CVE-2026-68225 entry covers a Linux kernel issue in the media: i2c/alvium driver where alvium_ctrl_init creates several controls and uses the returned pointer without validating it, enabling potential write access to a NULL pointer for multiple controls. The fix reworked alvium_ctrl_init to c...

CVE-2026-68089 iio: core: fix uninitialized data in debugfs

In the Linux kernel, the following vulnerability has been resolved: iio: core: fix uninitialized data in debugfs If ppos is non-zero then simplewritetobuffer will not initialize the start of buf. Non zero values for ppos aren't going to work anyway. Test for them at the start of the function and...

CVE-2026-64212 wifi: iwlwifi: mld: don't dereference a pointer before NULL checking it

In the Linux kernel, the following vulnerability has been resolved: wifi: iwlwifi: mld: don't dereference a pointer before NULL checking it In iwlmldremovelink, the link-fwid is saved at the beginning of the function so we have it after we freed the link. But the link pointer can be NULL, and is...

CVE-2026-53385 vc_screen: fix null-ptr-deref in vcs_notifier() during concurrent vcs_write

In the Linux kernel, the following vulnerability has been resolved: vcscreen: fix null-ptr-deref in vcsnotifier during concurrent vcswrite A KASAN null-ptr-deref was observed in vcsnotifier: BUG: KASAN: null-ptr-deref in vcsnotifier+0x98/0x130 Read of size 2 at addr qmpcmdname: qmpcapabilities,...

CVE-2026-10670 User-triggerable kernel NULL-pointer dereference (DoS) in `k_thread_name_copy()` syscall verifier

The CONFIGUSERSPACE verification handler for the kthreadnamecopy system call zvrfykthreadnamecopy in kernel/thread.c calls kobjectfind on the caller-supplied thread pointer and then dereferences the returned struct kobject without checking it for NULL. kobjectfind returns NULL whenever the suppli...

CVE-2026-10664 Out-of-bounds write in nRF70 Wi-Fi driver power-save event handler (unbounded TWT flow count)

The nRF70 Wi-Fi driver's power-save event handler nrfwifieventprocgetpowersaveinfo in drivers/wifi/nrfwifi/src/wifimgmt.c copied TWT Target Wake Time flow entries from an nrfwifiumaceventpowersaveinfo event into the fixed-size twtflowsWIFIMAXTWTFLOWS 8-element array of a caller-supplied struct...

CVE-2026-53093

In the Linux kernel, the following vulnerability has been resolved: wifi: brcmfmac: Fix error pointer dereference The function brcmfchipaddcore can return an error pointer and is not checked. Add checks for error pointer. Detected by Smatch:...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: drm/msm/dpu: Added a missing NULL pointer check for the pingpong interface. This check is almost always performed in dpuencoderphyswbsetupctl, but in a single location, the check is missing. Also, use convenient locals variables...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Check dcehwseq before dereferencing it. WHAT hws was checked for being null earlier in dce110blankstream, indicating that hws can be null. This check should be performed whenever hws is used. Cherry-picked from...

CVE-2026-52913

CVE-2026-52913 is addressed in OSV entries as a flaw in the rootio-linux package. Root has patched CVE-2026-52913 in Root:Ubuntu-22.04, with multiple fixed versions available. Additional OSV records indicate patched status for Root:Ubuntu-24.04 and Root:Debian-11/12, also noting multiple fixed ve...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: remoteproc: xlnx: Only access buffer information when IPI is buffered. In the receive callback, a check is performed to ensure that the message is not NULL, to prevent possible crashes due to dereferencing of NULL pointers...

CVE-2026-0156

CVE-2026-0156 describes a memory safety issue in checkSsrcCollisionOnRcv of RtpSession.cpp caused by a missing null check. This could allow remote denial of service without additional execution privileges, and exploitation does not require user interaction. The information appears consistently in...

CVE-2026-46245 drm/amd/display: Fix dc_link NULL handling in HPD init

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fix dclink NULL handling in HPD init amdgpudmhpdinit may see connectors without a valid dclink. The code already checks dclink for the polling decision, but later unconditionally dereferences it when setting up H...

CVE-2026-46216 drm/xe/hdcp: Add NULL check for media_gt in intel_hdcp_gsc_check_status()

In the Linux kernel, the following vulnerability has been resolved: drm/xe/hdcp: Add NULL check for mediagt in intelhdcpgsccheckstatus When media GT is disabled via configfs, there is no allocation for mediagt, which is kept as NULL. In such scenario, intelhdcpgsccheckstatus results in a kernel...

Linux Kernel Security Vulnerabilities

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the lack of null pointer checks for mediagt in the drm/xe/hdcp module. This vulnerability may lea...

CVE-2026-46016 remoteproc: xlnx: Only access buffer information if IPI is buffered

In the Linux kernel, the following vulnerability has been resolved: remoteproc: xlnx: Only access buffer information if IPI is buffered In the receive callback check if message is NULL to prevent possibility of crash by NULL pointer dereferencing...

CVE-2026-45836

The CVE-2026-45836 vulnerability affects the Linux kernel Bluetooth L2CAP code and stems from a missing NULL guard in l2cap_sock_get_sndtimeo_cb(), which can cause a null pointer dereference. The issue is resolved by adding the same NULL guard already present in l2cap_sock_resume_cb() and l2cap_s...