UBUNTU-CVE-2026-53137

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Clamp HDMI HDCP2 rxidlist read to buffer size Why & How During HDCP 2.x repeater authentication over HDMI, the driver reads the sink's RxStatus register and extracts a 10-bit message size field max value 1023. Th...

UBUNTU-CVE-2026-53217

In the Linux kernel, the following vulnerability has been resolved: net: mvpp2: sync RX data at the hardware packet offset mvpp2 programs the RX queue packet offset, so hardware writes received data at dmaaddr + MVPP2SKBHEADROOM. The current CPU sync starts at dmaaddr and only covers rxbytes +...

CVE-2026-53217 net: mvpp2: sync RX data at the hardware packet offset

In the Linux kernel, the following vulnerability has been resolved: net: mvpp2: sync RX data at the hardware packet offset mvpp2 programs the RX queue packet offset, so hardware writes received data at dmaaddr + MVPP2SKBHEADROOM. The current CPU sync starts at dmaaddr and only covers rxbytes +...

EUVD-2026-39308

In the Linux kernel, the following vulnerability has been resolved: net: mvpp2: sync RX data at the hardware packet offset mvpp2 programs the RX queue packet offset, so hardware writes received data at dmaaddr + MVPP2SKBHEADROOM. The current CPU sync starts at dmaaddr and only covers rxbytes +...

CVE-2026-53216 net: mvpp2: limit XDP frame size to the RX buffer

In the Linux kernel, the following vulnerability has been resolved: net: mvpp2: limit XDP frame size to the RX buffer mvpp2 has short and long BM pools, and short pool buffers can be smaller than PAGESIZE. The XDP path nevertheless initializes every xdpbuff with PAGESIZE as frame size. XDP helper...

EUVD-2026-39306

In the Linux kernel, the following vulnerability has been resolved: net: mvpp2: refill RX buffers before XDP or skb use The RX error path returns the current descriptor buffer to the hardware BM pool. That is only valid while the driver still owns the buffer. mvpp2rxrefill can fail after the...

CVE-2026-53215 net: mvpp2: refill RX buffers before XDP or skb use

In the Linux kernel, the following vulnerability has been resolved: net: mvpp2: refill RX buffers before XDP or skb use The RX error path returns the current descriptor buffer to the hardware BM pool. That is only valid while the driver still owns the buffer. mvpp2rxrefill can fail after the...

CVE-2026-53215

CVE-2026-53215 affects the Linux kernel mvpp2 driver: the RX path could return a descriptor buffer to the hardware Buffer Manager after it had been handed to XDP or an skb, allowing DMA into memory no longer owned by the RX ring. Root cause is improper handling of RX buffers in mvpp2_rx_refill() ...

CVE-2026-53215 net: mvpp2: refill RX buffers before XDP or skb use

In the Linux kernel, the following vulnerability has been resolved: net: mvpp2: refill RX buffers before XDP or skb use The RX error path returns the current descriptor buffer to the hardware BM pool. That is only valid while the driver still owns the buffer. mvpp2rxrefill can fail after the...

PT-2026-52488

Name of the Vulnerable Software and Affected Versions Zephyr affected versions not specified Description An issue in the IPv6 network stack allows a denial of service by sending a small number of maliciously fragmented IPv6 packets. When the fragment-header processing path handles these packets,...

PT-2026-52312

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the mvpp2 driver where the CPU synchronization for received data is incorrectly aligned. The driver programs the RX queue packet offset such that hardware writes data ...

CVE-2026-52974

In the Linux kernel, the following vulnerability has been resolved: net: tls: fix strparser anchor skb leak on offload RX setup failure When tlssetdeviceoffloadrx fails at tlsdevadd, the error path calls tlsswfreeresourcesrx to clean up the SW context that was initialized by tlssetswoffload. This...

CVE-2026-52974 net: tls: fix strparser anchor skb leak on offload RX setup failure

In the Linux kernel, the following vulnerability has been resolved: net: tls: fix strparser anchor skb leak on offload RX setup failure When tlssetdeviceoffloadrx fails at tlsdevadd, the error path calls tlsswfreeresourcesrx to clean up the SW context that was initialized by tlssetswoffload. This...

CVE-2026-52945 Revert "wireguard: device: enable threaded NAPI"

In the Linux kernel, the following vulnerability has been resolved: Revert "wireguard: device: enable threaded NAPI" This reverts commit 933466fc50a8e4eb167acbd0d8ec96a078462e9c which is commit db9ae3b6b43c79b1ba87eea849fd65efa05b4b2e upstream. We have had three independent production user report...

CVE-2026-52945 Revert "wireguard: device: enable threaded NAPI"

In the Linux kernel, the following vulnerability has been resolved: Revert "wireguard: device: enable threaded NAPI" This reverts commit 933466fc50a8e4eb167acbd0d8ec96a078462e9c which is commit db9ae3b6b43c79b1ba87eea849fd65efa05b4b2e upstream. We have had three independent production user report...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: xsk: Fixed a race condition in the AFXDP generic RX path. The rxlock function was moved from xsksocket to xskbuffpool. Synchronization issues were fixed for the shared umem mode in the generic RX path, where multiple sockets...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: net: usb: kaweth: The issue related to TX queue manipulation in kawethsetrxmode has been addressed. In kawethsetrxmode, the callback ndosetrxmode calls netifstopqueue and netifwakequeue. These are functions for controlling TX...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: Bonding: Annotate the data races around slave-lastrx. slave-lastrx and slave-targetlastarprx... can be read and written without locking. Add READONCE and WRITEONCE annotations. syzbot reported: BUG: KCSAN: Data race in...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: can: usb8dev: usb8devreadbulkcallback: fixed the URB memory leak. The memory leak was fixed in a similar manner to that in commit 7352e1d5932a “can: gsusb: gsusbreceivebulkcallback: fixed the URB memory leak”. In usb8devopen -...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: Wifi: mac80211: ocb: skipping RXnosta when the interface is not joined The ieee80211ocbrxnosta function assumes a valid channel context, which is only present after the JOINOCB operation. RX operations may occur before JOINOCB is...