Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: net: bridge: switchdev: Skip MDB replays of deferred events on offload Before this change, the generation of the list of MDB events to replay competed with the creation of new group memberhips, either through the IGMP/MLD snoopin...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Net: Bridge: VLAN: Fixed memory leak in allowedingress. When using per-VLAN state, if VLAN snooping and stats are disabled, untagged or priority-tagged ingress frames will go through the pVID state check. If the port state is...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net/mlx5: Fix bridge mode operations when there are no VFs Currently, attempting to set the bridge mode attribute when numvfs=0 leads to a crash: bridge link set dev eth2 hwmode vepa 168.967392 BUG: kernel NULL pointer dereferenc...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Bridge: mcast: Fixed a use-after-free during router port configuration. The bridge maintains a global list of ports behind which a multicast router resides. This list is consulted during forwarding to ensure that multicast packet...

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

In the Linux kernel, the following vulnerability has been resolved: Net: Bridge – Use DEVSTATSINC The syzbot/KCSAN reported a data race in the brhandleframefinish function 1. This function can be executed on multiple CPUs without mutual exclusion. It is recommended to use the SMP-safe DEVSTATSINC...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: drm/msm/dsi: fixed memory corruption caused by too many bridges. Added a missing sanity check on the bridge counter to prevent corruption of data beyond the fixed-sized bridge array, in case there are ever more than eight...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: fpga: bridge: Added a module owner field and used its pointer to count the reference count of the module. The current implementation of the fpgabridge assumes that the low-level module registers a driver for the parent device...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: drm/msm/hdmi: fixed memory corruption due to too many bridges. Added a missing sanity check on the bridge counter to prevent corruption of data beyond the fixed-sized bridge array, in case there are more than eight bridges...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Networks: Bridges – Fix for use-after-free due to bypassing the port’s state during MST processing. 1 Syzkaller.appspot.com reported a use-after-free issue when deleting an expired fdb. This issue arises due to a race condition...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drm/panel-simple: Fixed the connector type for the DataImage SCF0700C48GGU18 panel. The connector type for the DataImage SCF0700C48GGU18 panel is missing, and devmdrmpanelbridgeadd requires the connector type to be set. This...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: PCI: Fixed a reference leak in pciregisterhostbridge. If deviceregister fails, call putdevice to release the reference, thereby avoiding a memory leak, according to the comment in deviceregister. Found during code review. bhelgaa...

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

In the Linux kernel, the following vulnerability has been resolved: net: bridge: xmit: Ensure that the ethheaderlen field is set to a valid value. The syzbot triggered an uninitvalue1 error in the bridgedevice’s xmit path by sending a packet shorter than ETHHLEN bytes. To fix this issue, check...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: netfilter: brnetfilter: Skip the conntrack input hook for promiscuous packets. Due to historical reasons, when a bridge device is in promiscuous mode, packets directed to the taps follow the bridge’s input hook path. This patch...

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

In the Linux kernel, the following vulnerabilities have been resolved: drm/bridge: sii902x: Fixed the probing race issue A null pointer dereference crash has been observed rarely on TI platforms using the sii9022 bridge: 53.271356 sii902xgetedid+0x34/0x70 sii902x 53.276066...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: drm/bridge: megachips: Fixed a null pointer dereference bug When removing the module, the following warnings will be displayed: 31.911505 i2c-core: Driver stdp2690-ge-b850v3-fw Unregistered 31.912484 General protection fault,...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: xhci: Device endpoints are removed from the bandwidth list when the device is freed. Endpoints are normally deleted from the bandwidth list when they are dropped, before the virt device is freed. If the xHCI host is dying or bein...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfnetlinkqueue: A fix was made for the issue where an entry leak occurred in the “bridge verdict error path”. The nfqnlrecvverdict function calls finddequeueentry to remove the queue entry from the queue data structure...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: MIPS: SGI-IP27: Fixed a platform-device leak in bridgeplatformcreate. In the error case when calling bridgeplatformcreate after calling platformdeviceadd/platformdeviceadddata/platformdeviceaddresources, release the failed ‘pdev’...

Important: Red Hat Security Advisory: kernel security update

An update for kernel is now available for NVIDIA for RHEL 10. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE...

kernel: net: bridge: stop fast-leave after deleting a port group

A flaw was found in the Linux kernel's network bridge module. When handling multicast fast-leave, a vulnerability exists where the system may attempt to access a port group after it has been deleted. This can occur if multicast-to-unicast was previously enabled and then disabled, leading to a sta...