CVE-2026-45952 eth: fbnic: Add validation for MTU changes

In the Linux kernel, the following vulnerability has been resolved: eth: fbnic: Add validation for MTU changes Increasing the MTU beyond the HDS threshold causes the hardware to fragment packets across multiple buffers. If a single-buffer XDP program is attached, the driver will drop all multi-fr...

CVE-2026-45886

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix bpfxdpstorebytes proto for read-only arg While making some maps in Cilium read-only from the BPF side, we noticed that the bpfxdpstorebytes proto is incorrect. In particular, the verifier was throwing the following error...

CVE-2026-45886 bpf: Fix bpf_xdp_store_bytes proto for read-only arg

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix bpfxdpstorebytes proto for read-only arg While making some maps in Cilium read-only from the BPF side, we noticed that the bpfxdpstorebytes proto is incorrect. In particular, the verifier was throwing the following error...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: xsk: Fix invalid buffer access for legacy rq The below crash can be encountered when using xdpsock in rx mode for legacy rq: the buffer gets released in the XDPREDIRECT path, and then once again in the driver. This fix...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: libbpf: Use of the OPTSSET macro in bpfxdpquery When the featureFlags and xdpzcmaxsegs fields were added to the libbpf bpfxdpQueryOpts structure, the code that wrote these fields did not use the OPTSSET macro. This causes libbpf ...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ixgbe: Fixed NULL pointer dereferencing in ixgbexdpsetup The ixgbe driver currently causes a NULL pointer dereferencing with some machines online cpus ringfeatureRINGFFDIR.limit = count; This results in numqueues being set to 63...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: - ice: xsk: disabling TXQ interrupts before flushing hardware settings. - iceqpdis attempts to stop a given queue pair that is a target of xsk pool attach/detach. One of the steps involved disabling interrupts on these queues...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: “ice”: fixed the sizing of vsi-txqmap. The approach of having XDP queues per CPU, regardless of the user’s settings, exposed a hidden bug that could occur when the number of Rx queues differs from the number of Tx queues...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: igb: The napisynchronize function was removed from igbdown. When an AFXDP zero-copy application terminates abruptly e.g., using kill -9, the XSK buffer pool is destroyed, but NAPI polling continues. The igbcleanrxirqzc functio...

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

In the Linux kernel, the following vulnerability has been resolved: net: core: The unnecessary framesz check in bpfxdpadjusttail has been removed. Syzkaller reported the following issue: ======================================= “Too big” – xdp-framesz = 131072 WARNING: CPU: 0, PID: 5020, at...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: RX, Fix XDP multi-buf frag counting for striding RQ XDP multi-buf programs can modify the layout of the XDP buffer when the program calls bpfxdppulldata or bpfxdpadjusttail. The referenced commit in the fixes tag...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: virtionet: Fixed the issue with xdprxqinfo after suspend/resume. The following sequence currently causes a driver bug warning when using virtionet: bash ip link set eth0 up echo mem /sys/power/state or e.g. rtcwake -s 10 -m mem i...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Net: Ethernet: mtkethsoc: Reset the progptr to oldprog in case of an error in mtkxdpsetup. Reset the eBPF program pointer to oldprog, and do not decrease its reference count if the mtkopen routine in mtkxdpsetup fails...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: xsk: Added a missing overflow check in xdpumemreg. The number of chunks can exceed the range of u32. Ensure that the value -EINVAL is returned in case of an overflow. Additionally, removed a redundant u32 cast when assigning...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: ixgbe: Fixed a panic that occurred during XDPTX when there were more than 64 CPUs. The commit 4fe815850bdc “ixgbe: allow xdpdrv to work with more than 64 CPUs” adds support for allowing XDP programs to run on systems with more...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: igc: Avoid kernel warnings when changing RX ring parameters Calling ethtool to change RX ring parameters like this: $ ethtool -G eth0 rx 1024 triggers kernel warnings like this: 225.198467 ------------ Cut here 225.198473 Missing...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: Take the RTNL lock when necessary before calling xdpsetfeatures. The RTNL lock should be held when calling xdpsetfeatures with a registered netdev, as this call triggers the netdev notifiers. This could occur, for...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: virtionet: a memory leak inside XPDTX has been fixed using mergeable. When we call xdpconvertbufftoframe to obtain xdpf, if it returns NULL, we should check whether xdppage was allocated by xdplinearizepage. If it was newly...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Bonding: Fixed a use-after-free due to an enslave failure after updating the slave array. This issue occurs because the new slave can be used immediately after being added to the array. Since the new slave can be used for...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net: stmmac: A possible memory leak has been fixed in stmmacdvrprobe. The bitmapfree function should be called to release priv-afxdpzcqps when createsinglethreadworkqueue fails. Otherwise, a memory leak will occur. Therefore, we...