Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: misc: bcmvk: Fixed possible null-pointer dereferencies in bcmvkread. In the function bcmvkread, the pointer entry is checked, indicating that it can be NULL. If the entry is NULL and rc is set to -EMSGSIZE, the following code may...

CVE-2025-71291

The CVE-2025-71291 issue affects the Linux kernel bcm_vk_read() function, where a NULL entry dereference could occur if entry is NULL and rc is -EMSGSIZE, potentially causing system instability or DoS. The fix copies fields (to_h_msg, usr_msg_id, to_h_blks) from the iterator into temporary variab...

CVE-2025-71291

In the Linux kernel, the following vulnerability has been resolved: misc: bcmvk: Fix possible null-pointer dereferences in bcmvkread In the function bcmvkread, the pointer entry is checked, indicating that it can be NULL. If entry is NULL and rc is set to -EMSGSIZE, the following code may cause...