Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: net/sched: actct: Preserve tcskbcb during defragmentation. tcfcthandlefragments calls nfcthandlefragments without saving and restoring skb-cb. The defragmentation helper clears IPCB/IP6CB, which aliases the tcskbcb/qdiscskbcb...

CVE-2026-72057

In the Linux kernel, the following vulnerability has been resolved: net/sched: actct: preserve tcskbcb across defragmentation tcfcthandlefragments calls nfcthandlefragments without saving and restoring skb-cb. The defrag helper clears IPCB/IP6CB, which aliases the tcskbcb/qdiscskbcb control buffe...

UBUNTU-CVE-2026-72057

In the Linux kernel, the following vulnerability has been resolved: net/sched: actct: preserve tcskbcb across defragmentation tcfcthandlefragments calls nfcthandlefragments without saving and restoring skb-cb. The defrag helper clears IPCB/IP6CB, which aliases the tcskbcb/qdiscskbcb control buffe...

EUVD-2026-59015

In the Linux kernel, the following vulnerability has been resolved: net/sched: actct: preserve tcskbcb across defragmentation tcfcthandlefragments calls nfcthandlefragments without saving and restoring skb-cb. The defrag helper clears IPCB/IP6CB, which aliases the tcskbcb/qdiscskbcb control buffe...

CVE-2026-72057

In CVE-2026-72057, the Linux kernel net/sched code path act_ct is vulnerable due to tc_skb_cb not being preserved when defragmenting. The function tcf_ct_handle_fragments() calls nf_ct_handle_fragments() without saving/restoring skb->cb, and the defrag helper clears IPCB/IP6CB that alias the t...

PT-2026-72246

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the net/sched component where the tcf ct handle fragments function calls nf ct handle fragments without saving and restoring the skb-cb control buffer. Because the...