Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Networking layer: hsr – Fixed potential use-after-free issues. The skb structure is passed to netifrx, which may free it. After this call, dereferencing the skb structure may lead to a use-after-free condition...

SUSE CVE-2025-39872

In the Linux kernel, the following vulnerability has been resolved: hsr: hold rcu and dev lock for hsrgetportndev hsrgetportndev calls hsrforeachport, which need to hold rcu lock. On the other hand, before return the port device, we need to hold the device reference to avoid UaF in the caller...

CVE-2024-26707

In the Linux kernel, the following vulnerability has been resolved: net: hsr: remove WARNONCE in sendhsrsupervisionframe Syzkaller reported 1 hitting a warning after failing to allocate resources for skb in hsrinitskb. Since a WARNONCE call will not help much in this case, it might be prudent to...