Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: tipc: Fixed the underflow of bcackers when duplicate GRPACKMSG messages occur. The GRPACKMSG handler in tipcgroupprotorcv currently decrements bcackers for every inbound group ACK, even when the same member has already acknowledg...

Unity Linux 20.1050a Security Update: kernel (UTSA-2026-100320)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-100320 advisory. In the Linux kernel, the following vulnerability has been resolved: tipc: fix bcackers underflow on duplicate GRPACKMSG The GRPACKMSG handler in tipcgroupprotorcv...

AZL-83798 CVE-2026-31662 affecting package kernel for versions less than 6.6.137.1-1

In the Linux kernel, the following vulnerability has been resolved: tipc: fix bcackers underflow on duplicate GRPACKMSG The GRPACKMSG handler in tipcgroupprotorcv currently decrements bcackers on every inbound group ACK, even when the same member has already acknowledged the current broadcast...

CVE-2026-31662 tipc: fix bc_ackers underflow on duplicate GRP_ACK_MSG

In the Linux kernel, the following vulnerability has been resolved: tipc: fix bcackers underflow on duplicate GRPACKMSG The GRPACKMSG handler in tipcgroupprotorcv currently decrements bcackers on every inbound group ACK, even when the same member has already acknowledged the current broadcast...