Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP2 kernel was updated to receive various security bugfixes.

The following security bugs were fixed:

• CVE-2021-47247: net/mlx5e: Fix use-after-free of encap entry in neigh update handler (bsc#1224865).
• CVE-2021-47311: net: qcom/emac: fix UAF in emac_remove (bsc#1225010).
• CVE-2021-47368: enetc: Fix illegal access when reading affinity_hint (bsc#1225161).
• CVE-2021-47372: net: macb: fix use after free on rmmod (bsc#1225184).
• CVE-2021-47379: blk-cgroup: fix UAF by grabbing blkcg lock before destroying blkg pd (bsc#1225203).
• CVE-2021-47571: staging: rtl8192e: Fix use after free in _rtl92e_pci_disconnect() (bsc#1225518).
• CVE-2022-2938: psi: Fix uaf issue when psi trigger is destroyed while being polled (bsc#1202623).
• CVE-2022-48760: USB: core: Fix hang in usb_kill_urb by adding memory barriers (bsc#1226712).
• CVE-2023-52707: sched/psi: Fix use-after-free in ep_remove_wait_queue() (bsc#1225109).
• CVE-2023-52752: smb: client: fix use-after-free bug in cifs_debug_data_proc_show() (bsc#1225487).
• CVE-2023-52881: tcp: do not accept ACK of bytes we never sent (bsc#1225611).
• CVE-2024-26921: Preserve kabi for sk_buff (bsc#1223138).
• CVE-2024-26923: Fixed false-positive lockdep splat for spin_lock() in __unix_gc() (bsc#1223384).
• CVE-2024-35789: Check fast rx for non-4addr sta VLAN changes (bsc#1224749).
• CVE-2024-35861: Fixed potential UAF in cifs_signal_cifsd_for_reconnect() (bsc#1224766).
• CVE-2024-35862: Fixed potential UAF in smb2_is_network_name_deleted() (bsc#1224764).
• CVE-2024-35864: Fixed potential UAF in smb2_is_valid_lease_break() (bsc#1224765).
• CVE-2024-35950: drm/client: Fully protect modes with dev->mode_config.mutex (bsc#1224703).
• CVE-2024-36894: usb: gadget: f_fs: Fix race between aio_cancel() and AIO request complete (bsc#1225749).
• CVE-2024-36904: tcp: Use refcount_inc_not_zero() in tcp_twsk_unique() (bsc#1225732).
• CVE-2024-36940: pinctrl: core: delete incorrect free in pinctrl_enable() (bsc#1225840).
• CVE-2024-36964: fs/9p: only translate RWX permissions for plain 9P2000 (bsc#1225866).
• CVE-2024-38545: RDMA/hns: Fix UAF for cq async event (bsc#1226595)
• CVE-2024-38559: scsi: qedf: Ensure the copied buf is NUL terminated (bsc#1226758).
• CVE-2024-38560: scsi: bfa: Ensure the copied buf is NUL terminated (bsc#1226786).

The following non-security bugs were fixed:

• ocfs2: adjust enabling place for la window (bsc#1219224).
• ocfs2: fix sparse warnings (bsc#1219224).
• ocfs2: improve write IO performance when fragmentation is high (bsc#1219224).
• ocfs2: speed up chain-list searching (bsc#1219224).
• x86/tsc: Trust initial offset in architectural TSC-adjust MSRs (bsc#1222015 bsc#1226962).
• x86/xen: Drop USERGS_SYSRET64 paravirt call (git-fixes).