Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: CIFS: Fixed the smbdresponse slab to allow usercopy. The handling of received data in the smbdirect client code involves using copytoiter to copy data from the packet trailer of the smbdreponse structure to a buffer provided by...

kernel: cifs: Fix the smbd_response slab to allow usercopy

In the Linux kernel, the following vulnerability has been resolved: cifs: Fix the smbdresponse slab to allow usercopy The handling of received data in the smbdirect client code involves using copytoiter to copy data from the smbdreponse struct's packet trailer to a folioq buffer provided by...

CVE-2025-38523

The CVE-2025-38523 issue affects the Linux kernel CIFS client/server path (smbd_recv/smbd_readv) where data copied from the smbd_response slab via copy_to_iter() could trigger kernel memory exposure when CONFIG_HARDENED_USERCOPY is enabled. The root cause is that the smbd_response slab’s packet f...

CVE-2025-38523

In the Linux kernel, the following vulnerability has been resolved: cifs: Fix the smbdresponse slab to allow usercopy The handling of received data in the smbdirect client code involves using copytoiter to copy data from the smbdreponse struct's packet trailer to a folioq buffer provided by...