Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net: ipv4: Fix memory leak in ipmcadd1src BUG: Memory leak Unreferenced object: 0xffff888101bc4c00 size 32 Command: “syz-executor527”, PID 360, jiffies 4294807421 age 19.329 seconds Hex dump first 32 bytes: 00 00 00 00 00 00 00 0...

CVE-2021-47238

CVE-2021-47238 involves a memory-leak in the Linux kernel IPv4 multicast path (ip_mc_add1_src) that occurs when manipulating IGMP source lists. The root cause is a leak in ip_mc_add1_src/ip_mc_add_src handling of in_dev->mc_list->sources, described in the advisory. The linked commits and di...