CVE-2026-46132 net: rtnetlink: zero ifla_vf_broadcast to avoid stack infoleak in rtnl_fill_vfinfo

In the Linux kernel, the following vulnerability has been resolved: net: rtnetlink: zero iflavfbroadcast to avoid stack infoleak in rtnlfillvfinfo rtnlfillvfinfo declares struct iflavfbroadcast on the stack without initialisation: struct iflavfbroadcast vfbroadcast; The struct contains a single...

CVE-2026-46132

In the Linux kernel, the following vulnerability has been resolved: net: rtnetlink: zero iflavfbroadcast to avoid stack infoleak in rtnlfillvfinfo rtnlfillvfinfo declares struct iflavfbroadcast on the stack without initialisation: struct iflavfbroadcast vfbroadcast; The struct contains a single...

SUSE CVE-2026-46034

In the Linux kernel, the following vulnerability has been resolved: vfio/cdx: Fix NULL pointer dereference in interrupt trigger path Add validation to ensure MSI is configured before accessing cdxirqs array in vfiocdxsetmsitrigger. Without this check, userspace can trigger a NULL pointer...

Linux kernel 安全漏洞

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 illegal access to the PF limit register by VF in the libwx library. This vulnerability may lead t...

PT-2026-44311

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 7.0.11-1.1 Description A NULL pointer dereference occurs in the octeon ep vf driver. The function napi build skb can return NULL if an allocation failure occurs. In octep vf oq process rx, the result of this...

PT-2026-44255

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A stack information leak exists in the rtnl fill vfinfo function. The function declares a struct ifla vf broadcast on the stack without initialization. This structure contains a 32-byte...

PT-2026-44265

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the libwx network component where a Virtual Function VF attempts to access the WX CFG PORT ST register. Because this is a Physical Function PF restricted register, the...

CVE-2026-46084

In the Linux kernel, the following vulnerability has been resolved: RDMA/manaib: Disable RX steering on RSS QP destroy When an RSS QP is destroyed e.g. DPDK exit, manaibdestroyqprss destroys the RX WQ objects but does not disable vPort RX steering in firmware. This leaves stale steering...

CVE-2026-46036

In the Linux kernel, the following vulnerability has been resolved: vfio/cdx: Serialize VFIODEVICESETIRQS with a per-device mutex vfiocdxsetmsitrigger reads vdev-configmsi and operates on the vdev-cdxirqs array based on its value, but provides no serialization against concurrent VFIODEVICESETIRQS...

PT-2026-43903

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 7.0.11-1.1 Description A use-after-free issue exists in the vfio/cdx component. The function vfio cdx set msi trigger reads vdev-config msi and operates on the vdev-cdx irqs array without proper serialization...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: vfio: Split migration operations from main device operations The vfio core checks whether the driver sets certain migration operations e.g., setstate/getstate, and accordingly calls those operations. However, currently, the ml...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: i40e: Fixed NULL pointer dereferencing in i40edbgdumpdesc. When attempting to dump VFs using debugfs, a crash occurred due to NULL pointer dereferencing in i40edbgdumpdesc. A check was added to i40edbgdumpdesc to ensure that the...

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

In the Linux kernel, the following vulnerability has been resolved: igb: Revert the rtnllock function that causes deadlock. The commit 6faee3d4ee8b “igb: Add a lock to avoid data race” adds rtnllock to eliminate a false data race as shown below: Released from device detachment | Used from netdev...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: drm/amdgpu: Skip vcn poison irq release on VF VF does not enable VCN poison irq in VCNv2.5. Skip releasing it and avoid call trace during deinitialization. 71.913601 drm Clean up the vf2pf work item 71.915088 ------------ Cut...

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: i40e: Fixed the issue where “vf” might be used without initialization in this function. To address the regression introduced by commit 52424f974bc5, which causes servers to hang under very difficult-to-reproduce conditions due...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: sfc: Fixed an issue where a use-after-free occurred when disabling sriov. The use-after-free was detected by kfence when disabling sriov. What was read after it was freed was vf-pcidev: it was freed from pcidisablesriov, and...

Astra Linux – Vulnerability in Linux 6.1, Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: i40e: Do not allow untrusted VFs to remove the administratively set MAC address. Currently, when a PF component administratively sets the MAC address of a VF, and the VF is disabled i.e., the VF attempts to delete all MAC...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: octeontx2-vf: Added a missing “free” field for “allocpercpu”. Added the “freepercpu” field for the allocated “vf-hw.lmtinfo” in order to avoid memory leaks, similar to the “pf-hw.lmtinfo” in...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Ice: Added a limit per-VF on the number of FDIR filters. While the iavf driver adds a software-based limit 128 on the number of FDIR filters that a VF can request, a malicious VF driver can request more than that limit, thereby...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: net/mlx5e: Fixed handling of incorrect devices during the bond netevent processing. The current implementation of the bond netevent handler only checks whether the handled netdev is a VF representative. However, there is no...