Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: TCP: Fixed a data race around sysctltcpmtuprobefloor. When reading sysctltcpmtuprobefloor, it can be changed concurrently. Therefore, we need to add READONCE to its reader...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: TCP: Fixed a data race around sysctltcpecnfallback. When reading sysctltcpecnfallback, it can be changed concurrently. Therefore, we need to add READONCE to its reader function...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-007553)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-007553 advisory. In the Linux kernel, the following vulnerability has been resolved: tcp: Fix data-races around sysctltcpbasemss. While reading sysctltcpbasemss, it can be changed...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-988917)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-988917 advisory. In the Linux kernel, the following vulnerability has been resolved: tcp: Fix data-races around sysctltcprecovery. While reading sysctltcprecovery, it can be changed...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-989386)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-989386 advisory. In the Linux kernel, the following vulnerability has been resolved: tcp: Fix a data-race around sysctltcpearlyretrans. While reading sysctltcpearlyretrans, it can be...

SUSE CVE-2022-49594

In the Linux kernel, the following vulnerability has been resolved: tcp: Fix a data-race around sysctltcpmtuprobefloor. While reading sysctltcpmtuprobefloor, it can be changed concurrently. Thus, we need to add READONCE to its reader...

SUSE CVE-2022-49630

In the Linux kernel, the following vulnerability has been resolved: tcp: Fix a data-race around sysctltcpecnfallback. While reading sysctltcpecnfallback, it can be changed concurrently. Thus, we need to add READONCE to its reader...

CVE-2022-49598

In the Linux kernel, the following vulnerability has been resolved: tcp: Fix data-races around sysctltcpmtuprobing. While reading sysctltcpmtuprobing, it can be changed concurrently. Thus, we need to add READONCE to its readers...

CVE-2022-49595

In the Linux kernel, the following vulnerability has been resolved: tcp: Fix a data-race around sysctltcpprobethreshold. While reading sysctltcpprobethreshold, it can be changed concurrently. Thus, we need to add READONCE to its reader...

CVE-2022-49601

In the Linux kernel, the following vulnerability has been resolved: tcp/dccp: Fix a data-race around sysctltcpfwmarkaccept. While reading sysctltcpfwmarkaccept, it can be changed concurrently. Thus, we need to add READONCE to its reader...

CVE-2022-49599

In the Linux kernel, the following vulnerability has been resolved: tcp: Fix data-races around sysctltcpl3mdevaccept. While reading sysctltcpl3mdevaccept, it can be changed concurrently. Thus, we need to add READONCE to its readers...

CVE-2022-49595 tcp: Fix a data-race around sysctl_tcp_probe_threshold.

In the Linux kernel, the following vulnerability has been resolved: tcp: Fix a data-race around sysctltcpprobethreshold. While reading sysctltcpprobethreshold, it can be changed concurrently. Thus, we need to add READONCE to its reader...

CVE-2022-49597

In CVE-2022-49597, the Linux kernel tcp code suffers a data-race around sysctl_tcp_base_mss when reading sysctl_tcp_base_mss concurrently. The fix adds READ_ONCE() to the readers to prevent races. Connected advisories (Astra Unity/ EulerOS OSS) echo the same description and reference kernel commi...

CVE-2022-49593 tcp: Fix a data-race around sysctl_tcp_probe_interval.

In the Linux kernel, the following vulnerability has been resolved: tcp: Fix a data-race around sysctltcpprobeinterval. While reading sysctltcpprobeinterval, it can be changed concurrently. Thus, we need to add READONCE to its reader...

CVE-2022-49593

CVE-2022-49593 affects the Linux kernel’s TCP subsystem: a data race in reading sysctl_tcp_probe_interval can occur when it is updated concurrently. The documented fix adds READ_ONCE() to the reader to prevent concurrent modification. Connected advisories (EulerOS, OpenVAS, Unity/ASTRA, etc.) ref...

CVE-2022-49593

In the Linux kernel, the following vulnerability has been resolved: tcp: Fix a data-race around sysctltcpprobeinterval. While reading sysctltcpprobeinterval, it can be changed concurrently. Thus, we need to add READONCE to its reader...

CVE-2022-49588 tcp: Fix data-races around sysctl_tcp_migrate_req.

In the Linux kernel, the following vulnerability has been resolved: tcp: Fix data-races around sysctltcpmigratereq. While reading sysctltcpmigratereq, it can be changed concurrently. Thus, we need to add READONCE to its readers...

CVE-2022-49586

Technical details about CVE-2022-49586 are not provided in the connected documents. The sources only reiterate that the Linux kernel fix involved reading of sysctl_tcp_fastopen and a READ_ONCE() addition. Monitor for vendor updates.

CVE-2022-49575 tcp: Fix a data-race around sysctl_tcp_thin_linear_timeouts.

In the Linux kernel, the following vulnerability has been resolved: tcp: Fix a data-race around sysctltcpthinlineartimeouts. While reading sysctltcpthinlineartimeouts, it can be changed concurrently. Thus, we need to add READONCE to its reader...

CVE-2022-49574 tcp: Fix data-races around sysctl_tcp_recovery.

In the Linux kernel, the following vulnerability has been resolved: tcp: Fix data-races around sysctltcprecovery. While reading sysctltcprecovery, it can be changed concurrently. Thus, we need to add READONCE to its readers...