Astra Linux – Vulnerability in Linux 5.10, Linux

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 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: ipv4: Fixed a data race around the sysctlfibmultipathuseneigh function. When modifying sysctlfibmultipathuseneigh, it is possible for multiple processes to change it concurrently. Therefore, we need to add READONCE to its read...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ip: Fixed data races related to sysctlipprotsock. sysctlipprotsock is accessed concurrently, and there is always a chance of data races occurring. Therefore, both readers and writers require some basic protection to avoid...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: TCP: Fixed issues related to data races around sysctltcpslowstartafteridle. When reading sysctltcpslowstartafteridle, it can be changed concurrently. Therefore, we need to add READONCE to its readers...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: TCP: Fixed issues related to data races around sysctltcpmaxreordering. When modifying sysctltcpmaxreordering, it’s possible for multiple changes to occur simultaneously. Therefore, we need to add READONCE to its readers...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: afunix: Fixed a data race in unixdgrampeerwakeme. unixdgrampoll calls unixdgrampeerwakeme without ensuring that the other lock is held, and without checking whether the receive queue is full. In this case, we need to use...

Astra Linux – Vulnerability in Linux, Linux 5.10

A data race flaw was discovered in the Linux kernel, between the allocation of the con variable and the setting of con-sock. This issue results in a NULL pointer dereferencing when accessing con-sock-sk in the net/tipc/topsrv.c file within the tipc protocol in the Linux kernel...

Astra Linux – Vulnerability in Linux 5.10, Linux

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

Astra Linux – Vulnerability in Linux 5.10

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

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: TCP: Fixed issues related to data races around sysctltcpbasemss. When reading sysctltcpbasemss, it can be changed concurrently. Therefore, we need to add READONCE to its readers...

Astra Linux – Vulnerability in Linux 5.10, Linux

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

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: IGMP: Fixed data races related to sysctligmpllmreports. When reading sysctligmpllmreports, it can be changed concurrently. Therefore, we need to add READONCE to its readers. This test can be incorporated into a helper function...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: IGMP: Fixed data races related to sysctligmpqrv. When reading sysctligmpqrv, it can be changed concurrently. Therefore, we need to add READONCE to its readers. This test can be incorporated into a helper module; such changes...

Astra Linux – Vulnerability in Linux 5.10, Linux

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

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: TCP: Fixed issues related to data races around sysctltcpfastopen. When reading sysctltcpfastopen, it can be changed concurrently. Therefore, we need to add READONCE to its readers...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: udp: Fixed a data race around sysctludpl3mdevaccept. When reading sysctludpl3mdevaccept, it can be changed concurrently. Therefore, we need to add READONCE to its reader...

Astra Linux – Vulnerability in Linux 5.10, Linux

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

Astra Linux – Vulnerability in Linux 5.10, Linux

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

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: kcm: An annotate data-race around kcm-rxpsock has been fixed. kcm-rxpsock can now be read without a lock in kcmrfree. The read and write operations have been adjusted accordingly. The same approach is used for kcm-rxwait in th...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: kcm: An annotation was added for the data-race around kcm-rxwait. kcm-rxpsock can be accessed without a read lock in kcmrfree. The read and write operations should be annotated accordingly. syzbot reported: BUG: KCSAN: A...