Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerability has been resolved: In the net subsystem, only the init netns should be allowed to set the default tcpcongestioncontrol to a restricted algorithm. The tcpsetdefaultcongestioncontrol function is netns-safe as it writes to...

AZL-100289 CVE-2026-80983 affecting package kernel for versions less than 6.6.157.1-1

In the Linux kernel, the following vulnerability has been resolved: net/smc: fix socket refcount leak in smcswitchconns smcswitchconns takes a reference on the SMC socket before dropping lgr-connslock, so the connection stays alive while the CDC slot is fetched: sockhold&smc-sk;...

UBUNTU-CVE-2026-80983

In the Linux kernel, the following vulnerability has been resolved: net/smc: fix socket refcount leak in smcswitchconns smcswitchconns takes a reference on the SMC socket before dropping lgr-connslock, so the connection stays alive while the CDC slot is fetched: sockhold&smc-sk;...

CVE-2026-89527

In the Linux kernel, the following vulnerability has been resolved: svcrdma: Use svcxprtput to free listener on create failure svcrdmacreate calls kfreecmaxprt when svcrdmacreatelistenid fails. svcxprtinit has already acquired a net namespace reference via getnettrack; kfree bypasses svcxprtfree...

CVE-2026-80983 net/smc: fix socket refcount leak in smc_switch_conns()

In the Linux kernel, the following vulnerability has been resolved: net/smc: fix socket refcount leak in smcswitchconns smcswitchconns takes a reference on the SMC socket before dropping lgr-connslock, so the connection stays alive while the CDC slot is fetched: sockhold&smc-sk;...

PT-2026-90113

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A socket reference count leak exists in the smc switch conns function. The issue occurs when the function takes a reference on the SMC socket but fails to call the corresponding sock put...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-003939)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-003939 advisory. An issue was discovered in the Linux Kernel from 4.18 to 4.19, an improper update of sock reference in TCP pacing can lead to memory/netns leak, which can be used by...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-004762)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-004762 advisory. An issue was discovered in the Linux Kernel from 4.18 to 4.19, an improper update of sock reference in TCP pacing can lead to memory/netns leak, which can be used by...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-001716)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-001716 advisory. An issue was discovered in the Linux Kernel from 4.18 to 4.19, an improper update of sock reference in TCP pacing can lead to memory/netns leak, which can be used by...

CVE-2021-47010

In the Linux kernel, the following vulnerability has been resolved: net: Only allow init netns to set default tcp cong to a restricted algo tcpsetdefaultcongestioncontrol is netns-safe in that it writes to &net-ipv4.tcpcongestioncontrol, but it also sets ca-flags |= TCPCONGNONRESTRICTED which is...

CVE-2021-47010: Uncontrolled Resource Consumption

In the Linux kernel, the following vulnerability has been resolved: net: Only allow init netns to set default tcp cong to a restricted algo tcpsetdefaultcongestioncontrol is netns-safe in that it writes to &net-ipv4.tcpcongestioncontrol, but it also sets ca-flags |= TCPCONGNONRESTRICTED which is...

CVE-2022-1678

An issue was discovered in the Linux Kernel from 4.18 to 4.19, an improper update of sock reference in TCP pacing can lead to memory/netns leak, which can be used by remote clients...

Design/Logic Flaw

An issue was discovered in the Linux Kernel from 4.18 to 4.19, an improper update of sock reference in TCP pacing can lead to memory/netns leak, which can be used by remote clients...

CVE-2022-1678

An issue was discovered in the Linux Kernel from 4.18 to 4.19, an improper update of sock reference in TCP pacing can lead to memory/netns leak, which can be used by remote clients...

CVE-2022-1678

CVE-2022-1678 affects Linux kernel 4.18–4.19, with memory/netns leaks due to improper sock reference handling in TCP pacing. Public Nessus/Unity advisories confirm the issue and reference kernel commits addressing the vulnerability; exploitation is described as remote via TCP pacing. Mitigation/r...

CVE-2022-1678: Improper Update of Reference Count

An issue was discovered in the Linux Kernel from 4.18 to 4.19, an improper update of sock reference in TCP pacing can lead to memory/netns leak, which can be used by remote clients...