ALSA-2026:8921 Important: kernel security update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: net/sched: Make cakeenqueue return NETXMITCN when past bufferlimit CVE-2025-39766 kernel: scsi: qla2xxx: Fix improper freeing of purex item CVE-2025-68741 For more details about the...

CVE-2025-68325

In the Linux kernel, the following vulnerability has been resolved: net/sched: schcake: Fix incorrect qlen reduction in cakedrop In cakedrop, qdisctreereducebacklog is used to update the qlen and backlog of the qdisc hierarchy. Its caller, cakeenqueue, assumes that the parent qdisc will enqueue t...

CVE-2025-68325

In the Linux kernel, the following vulnerability has been resolved: net/sched: schcake: Fix incorrect qlen reduction in cakedrop In cakedrop, qdisctreereducebacklog is used to update the qlen and backlog of the qdisc hierarchy. Its caller, cakeenqueue, assumes that the parent qdisc will enqueue t...

CVE-2023-53312 net: fix net_dev_start_xmit trace event vs skb_transport_offset()

In the Linux kernel, the following vulnerability has been resolved: net: fix netdevstartxmit trace event vs skbtransportoffset After blamed commit, we must be more careful about using skbtransportoffset, as reminded us by syzbot: WARNING: CPU: 0 PID: 10 at include/linux/skbuff.h:2868...

CVE-2023-53312

In the Linux kernel, the following vulnerability has been resolved: net: fix netdevstartxmit trace event vs skbtransportoffset After blamed commit, we must be more careful about using skbtransportoffset, as reminded us by syzbot: WARNING: CPU: 0 PID: 10 at include/linux/skbuff.h:2868...

DEBIAN-CVE-2022-50321

In the Linux kernel, the following vulnerability has been resolved: wifi: brcmfmac: fix potential memory leak in brcmfnetdevstartxmit The brcmfnetdevstartxmit returns NETDEVTXOK without freeing skb in case of pskbexpandhead fails, add devkfreeskb to fix it. Compile tested only...

OESA-2025-1874 kernel security update

The Linux Kernel, the operating system core itself. Security Fixes: In the Linux kernel, the following vulnerability has been resolved: pfifotailenqueue: Drop new packet when sch-limit == 0 Expected behaviour: In case we reach scheduler's limit, pfifotailenqueue will drop a packet in scheduler's...

OESA-2025-1869 kernel security update

The Linux Kernel, the operating system core itself. Security Fixes: In the Linux kernel, the following vulnerability has been resolved: pfifotailenqueue: Drop new packet when sch-limit == 0 Expected behaviour: In case we reach scheduler's limit, pfifotailenqueue will drop a packet in scheduler's...