Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net: bonding: Fixed a use-after-free in bondxmitbroadcast. bondxmitbroadcast reuses the original skb for the last slave determined by bondislastslave and clones it for others. Concurrent slave enslave/release operations may mutat...

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 found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ipv6: Annotated data-race in ndiscrouterdiscovery The syzbot found that ndiscrouterdiscovery could read and write in6dev-ramtu without holding a lock 1 This seems fine, as IFLAINET6RAMTU is a best-effort mechanism. Add...

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, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: netlink: Annotate accesses to nlk-cbrunning Both netlinkrecvmsg and netlinknativeseqshow read nlk-cbrunning without locking it. Use READONCE in those functions. Add corresponding WRITEONCE to netlinkdump and netlinkdumpstart...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: ip: Fixed data races related to sysctlipfwdusepmtu. When reading from sysctlipfwdusepmtu, it can be changed concurrently. Therefore, we need to add a READONCE call to its readers...

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

In the Linux kernel, the following vulnerabilities have been resolved: bpf: Address the issue reported by KCSAN regarding bpflrulist. KCSAN reported a data-race when accessing node-ref. Although node-ref doesn’t need to be accurate, this opportunity can be used to use a more common READONCE and...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

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, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: net: Fix load-tearing on sk-skstamp in sockrecvcmsgs. KCSAN found a data race in sockrecvcmsgs where the read access to sk-skstamp needs READONCE. BUG: KCSAN: data-race in packetrecvmsg / packetrecvmsg write marked to...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ipv4: Fixed a data race related to sysctlfibsyncmem. When reading sysctlfibsyncmem, it can be changed concurrently. Therefore, we need to add READONCE to avoid the data race...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

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

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

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 found in Linux 5.10, Linux 5.15

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 found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: sysctl: Data race issues in procdouintvecminmax have been fixed. A sysctl variable is accessed concurrently, and there is always a risk of data races. Therefore, both readers and writers require some basic protection to avoid dat...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: TCP: Fixed issues related to data races around sysctltcpl3mdevaccept. When reading sysctltcpl3mdevaccept, it can be changed concurrently. Therefore, we need to add READONCE to its readers...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

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 – Vulnerabilities in Linux, Linux-5.10, Linux-5.15, Linux-6.1

In the Linux kernel, the following vulnerabilities have been resolved: afunix: Fixed a data race around unixtotinflight. unixtotinflight is updated under spinlockunixgclock, but unixreleasesock reads it without locking. We will use READONCE for unixtotinflight...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

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

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: cipso: Fixed data races related to sysctl. When reading sysctl variables, they can be changed concurrently. Therefore, we need to add READONCE to avoid data races...

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...