Affected: Alpaquita:stream: linux-lts

In the Linux kernel, the following vulnerability has been resolved:

bnxt_en: Avoid order-5 memory allocation for TPA data

The driver needs to keep track of all the possible concurrent TPA (GRO/LRO) completions on the aggregation ring. On P5 chips, the maximum number of concurrent TPA is 256 and the amount of memory we allocate is order-5 on systems using 4K pages. Memory allocation failure has been reported:

NetworkManager: page allocation failure: order:5, mode:0x40dc0(GFP_KERNEL|__GFP_COMP|__GFP_ZERO), nodemask=(null),cpuset=/,mems_allowed=0-1 CPU: 15 PID: 2995 Comm: NetworkManager Kdump: loaded Not tainted 5.10.156 #1 Hardware name: Dell Inc. PowerEdge R660/0M1CC5, BIOS 0.2.25 08/12/2022 Call Trace: dump_stack+0x57/0x6e warn_alloc.cold.120+0x7b/0xdd ? _cond_resched+0x15/0x30 ? __alloc_pages_direct_compact+0x15f/0x170 __alloc_pages_slowpath.constprop.108+0xc58/0xc70 __alloc_pages_nodemask+0x2d0/0x300 kmalloc_order+0x24/0xe0 kmalloc_order_trace+0x19/0x80 bnxt_alloc_mem+0x1150/0x15c0 [bnxt_en] ? bnxt_get_func_stat_ctxs+0x13/0x60 [bnxt_en] __bnxt_open_nic+0x12e/0x780 [bnxt_en] bnxt_open+0x10b/0x240 [bnxt_en] __dev_open+0xe9/0x180 __dev_change_flags+0x1af/0x220 dev_change_flags+0x21/0x60 do_setlink+0x35c/0x1100

Instead of allocating this big chunk of memory and dividing it up for the concurrent TPA instances, allocate each small chunk separately for each TPA instance. This will reduce it to order-0 allocations.

In the Linux kernel, the following vulnerability has been resolved:

bnxt_en: Avoid order-5 memory allocation for TPA data

The driver needs to keep track of all the possible concurrent TPA (GRO/LRO) completions on the aggregation ring. On P5 chips, the maximum number of concurrent TPA is 256 and the amount of memory we allocate is order-5 on systems using 4K pages. Memory allocation failure has been reported:

NetworkManager: page allocation failure: order:5, mode:0x40dc0(GFP_KERNEL|__GFP_COMP|__GFP_ZERO), nodemask=(null),cpuset=/,mems_allowed=0-1 CPU: 15 PID: 2995 Comm: NetworkManager Kdump: loaded Not tainted 5.10.156 #1 Hardware name: Dell Inc. PowerEdge R660/0M1CC5, BIOS 0.2.25 08/12/2022 Call Trace: dump_stack+0x57/0x6e warn_alloc.cold.120+0x7b/0xdd ? _cond_resched+0x15/0x30 ? __alloc_pages_direct_compact+0x15f/0x170 __alloc_pages_slowpath.constprop.108+0xc58/0xc70 __alloc_pages_nodemask+0x2d0/0x300 kmalloc_order+0x24/0xe0 kmalloc_order_trace+0x19/0x80 bnxt_alloc_mem+0x1150/0x15c0 [bnxt_en] ? bnxt_get_func_stat_ctxs+0x13/0x60 [bnxt_en] __bnxt_open_nic+0x12e/0x780 [bnxt_en] bnxt_open+0x10b/0x240 [bnxt_en] __dev_open+0xe9/0x180 __dev_change_flags+0x1af/0x220 dev_change_flags+0x21/0x60 do_setlink+0x35c/0x1100

Instead of allocating this big chunk of memory and dividing it up for the concurrent TPA instances, allocate each small chunk separately for each TPA instance. This will reduce it to order-0 allocations.

kernel: Bluetooth BR/EDR PIN Pairing procedure is vulnerable to an impersonation attack kernel: ovl: fix warning in ovl_create_real() kernel: memcg does not limit the number of POSIX file locks allowing memory exhaustion kernel: vmwgfx: NULL pointer dereference in vmw_cmd_dx_define_query kernel: integer overflow in l2cap_config_req() in net/bluetooth/l2cap_core.c kernel: i2c: mlxbf: prevent stack overflow in mlxbf_i2c_smbus_start_transaction() kernel: Bluetooth: L2CAP: Fix u8 overflow kernel: hwmon: (coretemp) fix pci device refcount leak in nv1a_ram_new() kernel: tracing: Fix sleeping function called from invalid context on RT kernel kernel: net: mdio: unexport __init-annotated mdio_bus_init() kernel: arm64: ftrace: consistently handle PLTs. kernel: mm/uffd: fix pte marker when fork() without fork event kernel: Bluetooth: Fix a buffer overflow in mgmt_mesh_add() kernel: tty: n_gsm: add sanity check for gsm->receive in gsm_receive_buf() kernel: ftrace: Fix NULL pointer dereference in is_ftrace_trampoline when ftrace is dead kernel: tee: add overflow check in register_shm_helper() kernel: tty: n_gsm: fix deadlock and link starvation in outgoing data path kernel: PM: hibernate: defer device probing when resuming from hibernation kernel: ext4: don't allow journal inode to have encrypt flag kernel: ext4: fix delayed allocation bug in ext4_clu_mapped for bigalloc + inline kernel: erofs: fix order >= MAX_ORDER warning due to crafted negative i_size kernel: perf/x86/intel/uncore: F…

Affected: Rocky Linux:8: kernel

The kernel packages contain the Linux kernel, the core of any Linux operating system.

Security Fix(es):

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Additional Changes:

For detailed information on changes in this release, see the Rocky Linux SIG Cloud 8.10 Release Notes linked from the References section.

Security update for the Linux Kernel

Affected: Ubuntu:16.04:LTS: linux-hwe-edge, Ubuntu:18.04:LTS: linux-aws-5.0, Ubuntu:18.04:LTS: linux-aws-5.3, Ubuntu:Pro:18.04:LTS: linux-aws-5.4, Ubuntu:18.04:LTS: linux-azure, Ubuntu:18.04:LTS: linux-azure-5.3, Ubuntu:Pro:18.04:LTS: linux-azure-5.4, Ubuntu:18.04:LTS: linux-azure-edge, Ubuntu:18.04:LTS: linux-gcp, Ubuntu:18.04:LTS: linux-gcp-5.3 and 126 more

In the Linux kernel, the following vulnerability has been resolved: bnxt_en: Avoid order-5 memory allocation for TPA data The driver needs to keep track of all the possible concurrent TPA (GRO/LRO) completions on the aggregation ring. On P5 chips, the maximum number of concurrent TPA is 256 and the amount of memory we allocate is order-5 on systems using 4K pages. Memory allocation failure has been reported: NetworkManager: page allocation failure: order:5, mode:0x40dc0(GFP_KERNEL|__GFP_COMP|__GFP_ZERO), nodemask=(null),cpuset=/,mems_allowed=0-1 CPU: 15 PID: 2995 Comm: NetworkManager Kdump: loaded Not tainted 5.10.156 #1 Hardware name: Dell Inc. PowerEdge R660/0M1CC5, BIOS 0.2.25 08/12/2022 Call Trace: dump_stack+0x57/0x6e warn_alloc.cold.120+0x7b/0xdd ? _cond_resched+0x15/0x30 ? __alloc_pages_direct_compact+0x15f/0x170 __alloc_pages_slowpath.constprop.108+0xc58/0xc70 __alloc_pages_nodemask+0x2d0/0x300 kmalloc_order+0x24/0xe0 kmalloc_order_trace+0x19/0x80 bnxt_alloc_mem+0x1150/0x15c0 [bnxt_en] ? bnxt_get_func_stat_ctxs+0x13/0x60 [bnxt_en] __bnxt_open_nic+0x12e/0x780 [bnxt_en] bnxt_open+0x10b/0x240 [bnxt_en] __dev_open+0xe9/0x180 __dev_change_flags+0x1af/0x220 dev_change_flags+0x21/0x60 do_setlink+0x35c/0x1100 Instead of allocating this big chunk of memory and dividing it up for the concurrent TPA instances, allocate each small chunk separately for each TPA instance. This will reduce it to order-0 allocations.

Ein Angreifer kann mehrere Schwachstellen in Linux Kernel ausnutzen, um einen Denial of Service Angriff oder einen unspezifischen Angriff durchzuführen.