CVE-2024-45017— Linux kernel 安全漏洞

net/mlx5: Fix IPsec RoCE MPV trace call

In the Linux kernel, the following vulnerability has been resolved: net/mlx5: Fix IPsec RoCE MPV trace call Prevent the call trace below from happening, by not allowing IPsec creation over a slave, if master device doesn't support IPsec. WARNING: CPU: 44 PID: 16136 at kernel/locking/rwsem.c:240 down_read+0x75/0x94 Modules linked in: esp4_offload esp4 act_mirred act_vlan cls_flower sch_ingress mlx5_vdpa vringh vhost_iotlb vdpa mst_pciconf(OE) nfsv3 nfs_acl nfs lockd grace fscache netfs xt_CHECKSUM xt_MASQUERADE xt_conntrack ipt_REJECT nf_reject_ipv4 nft_compat nft_counter nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 rfkill cuse fuse rpcrdma sunrpc rdma_ucm ib_srpt ib_isert iscsi_target_mod target_core_mod ib_umad ib_iser libiscsi scsi_transport_iscsi rdma_cm ib_ipoib iw_cm ib_cm ipmi_ssif intel_rapl_msr intel_rapl_common amd64_edac edac_mce_amd kvm_amd kvm irqbypass crct10dif_pclmul crc32_pclmul mlx5_ib ghash_clmulni_intel sha1_ssse3 dell_smbios ib_uverbs aesni_intel crypto_simd dcdbas wmi_bmof dell_wmi_descriptor cryptd pcspkr ib_core acpi_ipmi sp5100_tco ccp i2c_piix4 ipmi_si ptdma k10temp ipmi_devintf ipmi_msghandler acpi_power_meter acpi_cpufreq ext4 mbcache jbd2 sd_mod t10_pi sg mgag200 drm_kms_helper syscopyarea sysfillrect mlx5_core sysimgblt fb_sys_fops cec ahci libahci mlxfw drm pci_hyperv_intf libata tg3 sha256_ssse3 tls megaraid_sas i2c_algo_bit psample wmi dm_mirror dm_region_hash dm_log dm_mod [last unloaded: mst_pci] CPU: 44 PID: 16136 Comm: kworker/44:3 Kdump: loaded Tainted: GOE 5.15.0-20240509.el8uek.uek7_u3_update_v6.6_ipsec_bf.x86_64 #2 Hardware name: Dell Inc. PowerEdge R7525/074H08, BIOS 2.0.3 01/15/2021 Workqueue: events xfrm_state_gc_task RIP: 0010:down_read+0x75/0x94 Code: 00 48 8b 45 08 65 48 8b 14 25 80 fc 01 00 83 e0 02 48 09 d0 48 83 c8 01 48 89 45 08 5d 31 c0 89 c2 89 c6 89 c7 e9 cb 88 3b 00 <0f> 0b 48 8b 45 08 a8 01 74 b2 a8 02 75 ae 48 89 c2 48 83 ca 02 f0 RSP: 0018:ffffb26387773da8 EFLAGS: 00010282 RAX: 0000000000000000 RBX: ffffa08b658af900 RCX: 0000000000000001 RDX: 0000000000000000 RSI: ff886bc5e1366f2f RDI: 0000000000000000 RBP: ffffa08b658af940 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffffa0a9bfb31540 R13: ffffa0a9bfb37900 R14: 0000000000000000 R15: ffffa0a9bfb37905 FS: 0000000000000000(0000) GS:ffffa0a9bfb00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055a45ed814e8 CR3: 000000109038a000 CR4: 0000000000350ee0 Call Trace: <TASK> ? show_trace_log_lvl+0x1d6/0x2f9 ? show_trace_log_lvl+0x1d6/0x2f9 ? mlx5_devcom_for_each_peer_begin+0x29/0x60 [mlx5_core] ? down_read+0x75/0x94 ? __warn+0x80/0x113 ? down_read+0x75/0x94 ? report_bug+0xa4/0x11d ? handle_bug+0x35/0x8b ? exc_invalid_op+0x14/0x75 ? asm_exc_invalid_op+0x16/0x1b ? down_read+0x75/0x94 ? down_read+0xe/0x94 mlx5_devcom_for_each_peer_begin+0x29/0x60 [mlx5_core] mlx5_ipsec_fs_roce_tx_destroy+0xb1/0x130 [mlx5_core] tx_destroy+0x1b/0xc0 [mlx5_core] tx_ft_put+0x53/0xc0 [mlx5_core] mlx5e_xfrm_free_state+0x45/0x90 [mlx5_core] ___xfrm_state_destroy+0x10f/0x1a2 xfrm_state_gc_task+0x81/0xa9 process_one_work+0x1f1/0x3c6 worker_thread+0x53/0x3e4 ? process_one_work.cold+0x46/0x3c kthread+0x127/0x144 ? set_kthread_struct+0x60/0x52 ret_from_fork+0x22/0x2d </TASK> ---[ end trace 5ef7896144d398e1 ]---

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Linux kernel 安全漏洞

Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。 Linux kernel存在安全漏洞，该漏洞源于net/mlx5组件存在IPsec RoCE MPV跟踪调用问题。

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