CVE-2026-74659

A flaw was found in the Linux kernel's Multiple Registration Protocol MRP bridge module. When constructing MRP test frames, the brmrpalloctestskb function fails to properly initialize certain fields. This oversight results in three uninitialized bytes being transmitted in every MRA MRPTest frame,...

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

In the Linux kernel, the following vulnerability has been resolved: VLAN: Enforcing the underlying device type Currently, VLAN devices can be created on top of non-Ethernet devices. Aside from the fact that this approach doesn’t make much sense, it also causes a bug that leads to the leakage of t...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: mrp: Introduced active flags to prevent UAF when the applicant uninit occurs. The caller of deltimersync must prevent the timer from restarting. If we don’t have this synchronization, there is a small probability that the...

SUSE CVE-2026-74659

In the Linux kernel, the following vulnerability has been resolved: net: bridge: mrp: fix uninitialised bytes on the wire brmrpalloctestskb builds MRP test frames on an skb from devallocskb, which does not clear the linear data area. On the MRA ring-role branch the sub-option TLV header is append...

CVE-2026-74659

In the Linux kernel, the following vulnerability has been resolved: net: bridge: mrp: fix uninitialised bytes on the wire brmrpalloctestskb builds MRP test frames on an skb from devallocskb, which does not clear the linear data area. On the MRA ring-role branch the sub-option TLV header is append...

CVE-2026-74659

CVE-2026-74659 is an information disclosure vulnerability in the Linux kernel 's Media Redundancy Protocol (MRP) bridge implementation. The function br_mrp_alloc_test_skb() allocates an skb via dev_alloc_skb(), which does not zero the linear data area. On the MRA ring-role path, the sub-option TL...

CVE-2026-74659 net: bridge: mrp: fix uninitialised bytes on the wire

In the Linux kernel, the following vulnerability has been resolved: net: bridge: mrp: fix uninitialised bytes on the wire brmrpalloctestskb builds MRP test frames on an skb from devallocskb, which does not clear the linear data area. On the MRA ring-role branch the sub-option TLV header is append...

CVE-2026-74659 net: bridge: mrp: fix uninitialised bytes on the wire

In the Linux kernel, the following vulnerability has been resolved: net: bridge: mrp: fix uninitialised bytes on the wire brmrpalloctestskb builds MRP test frames on an skb from devallocskb, which does not clear the linear data area. On the MRA ring-role branch the sub-option TLV header is append...

EUVD-2026-64596

In the Linux kernel, the following vulnerability has been resolved: net: bridge: mrp: fix uninitialised bytes on the wire brmrpalloctestskb builds MRP test frames on an skb from devallocskb, which does not clear the linear data area. On the MRA ring-role branch the sub-option TLV header is append...

PT-2026-79664

In the Linux kernel, the following vulnerability has been resolved: net: bridge: mrp: fix uninitialised bytes on the wire br mrp alloc test skb builds MRP test frames on an skb from dev alloc skb, which does not clear the linear data area. On the MRA ring-role branch the sub-option TLV header is...

Linux Distros Unpatched Vulnerability : CVE-2026-74659

"The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - net: bridge: mrp: fix uninitialised bytes on the wire brmrpalloctestskb builds MRP test frames on an skb from devallocskb, which does not clear the linear data...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-099958)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-099958 advisory. In the Linux kernel, the following vulnerability has been resolved: net/802/mrp: fix vector attribute parsing in mrppduparsevecattr In mrppduparsevecattr, vector...

Linux kernel MRP: vector attribute parsing errors break applicant state handling

Linux kernel MRP: vector attribute parsing errors break applicant state handling Vulnerability Overview The Linux kernel MRP IEEE 802.1 Multiple Registration Protocol PDU parser mishandles zero-length vector attributes, event counts and attribute-value advancement in mrppduparsevecattr, breaking...

Linux Distros Unpatched Vulnerability : CVE-2026-53245

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - net/802/mrp: fix vector attribute parsing in mrppduparsevecattr In mrppduparsevecattr, vector attribute events are encoded three per byte and valen tracks the...

net/802/mrp: fix vector attribute parsing in mrp_pdu_parse_vecattr

...

CVE-2026-53245

In the Linux kernel, the following vulnerability has been resolved: net/802/mrp: fix vector attribute parsing in mrppduparsevecattr In mrppduparsevecattr, vector attribute events are encoded three per byte and valen tracks the number of events left to process. The parser decrements valen after...

CVE-2026-53245

In the Linux kernel, the following vulnerability has been resolved: net/802/mrp: fix vector attribute parsing in mrppduparsevecattr In mrppduparsevecattr, vector attribute events are encoded three per byte and valen tracks the number of events left to process. The parser decrements valen after...

EUVD-2026-39196

In the Linux kernel, the following vulnerability has been resolved: net/802/mrp: fix vector attribute parsing in mrppduparsevecattr In mrppduparsevecattr, vector attribute events are encoded three per byte and valen tracks the number of events left to process. The parser decrements valen after...

CVE-2026-53245

In the Linux kernel, the following vulnerability has been resolved: net/802/mrp: fix vector attribute parsing in mrppduparsevecattr In mrppduparsevecattr, vector attribute events are encoded three per byte and valen tracks the number of events left to process. The parser decrements valen after...

CVE-2026-53245 net/802/mrp: fix vector attribute parsing in mrp_pdu_parse_vecattr

In the Linux kernel, the following vulnerability has been resolved: net/802/mrp: fix vector attribute parsing in mrppduparsevecattr In mrppduparsevecattr, vector attribute events are encoded three per byte and valen tracks the number of events left to process. The parser decrements valen after...