CVE-2024-26907

CVE Details

Release Date:

2024-04-17

Description

In the Linux kernel, the following vulnerability has been resolved:\nRDMA/mlx5: Fix fortify source warning while accessing Eth segment\n------------[ cut here ]------------\nmemcpy: detected field-spanning write (size 56) of single field 'eseg->inline_hdr.start' at /var/lib/dkms/mlnx-ofed-kernel/5.8/build/drivers/infiniband/hw/mlx5/wr.c:131 (size 2)\nWARNING: CPU: 0 PID: 293779 at /var/lib/dkms/mlnx-ofed-kernel/5.8/build/drivers/infiniband/hw/mlx5/wr.c:131 mlx5_ib_post_send+0x191b/0x1a60 [mlx5_ib]\nModules linked in: 8021q garp mrp stp llc rdma_ucm(OE) rdma_cm(OE) iw_cm(OE) ib_ipoib(OE) ib_cm(OE) ib_umad(OE) mlx5_ib(OE) ib_uverbs(OE) ib_core(OE) mlx5_core(OE) pci_hyperv_intf mlxdevm(OE) mlx_compat(OE) tls mlxfw(OE) psample nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip_set nf_tables libcrc32c nfnetlink mst_pciconf(OE) knem(OE) vfio_pci vfio_pci_core vfio_iommu_type1 vfio iommufd irqbypass cuse nfsv3 nfs fscache netfs xfrm_user xfrm_algo ipmi_devintf ipmi_msghandler binfmt_misc crct10dif_pclmul crc32_pclmul polyval_clmulni polyval_generic ghash_clmulni_intel sha512_ssse3 snd_pcsp aesni_intel crypto_simd cryptd snd_pcm snd_timer joydev snd soundcore input_leds serio_raw evbug nfsd auth_rpcgss nfs_acl lockd grace sch_fq_codel sunrpc drm efi_pstore ip_tables x_tables autofs4 psmouse virtio_net net_failover failover floppy\n[last unloaded: mlx_compat(OE)]\nCPU: 0 PID: 293779 Comm: ssh Tainted: G OE 6.2.0-32-generic #32~22.04.1-Ubuntu\nHardware name: Red Hat KVM, BIOS 0.5.1 01/01/2011\nRIP: 0010:mlx5_ib_post_send+0x191b/0x1a60 [mlx5_ib]\nCode: 0c 01 00 a8 01 75 25 48 8b 75 a0 b9 02 00 00 00 48 c7 c2 10 5b fd c0 48 c7 c7 80 5b fd c0 c6 05 57 0c 03 00 01 e8 95 4d 93 da <0f> 0b 44 8b 4d b0 4c 8b 45 c8 48 8b 4d c0 e9 49 fb ff ff 41 0f b7\nRSP: 0018:ffffb5b48478b570 EFLAGS: 00010046\nRAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000\nRDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000\nRBP: ffffb5b48478b628 R08: 0000000000000000 R09: 0000000000000000\nR10: 0000000000000000 R11: 0000000000000000 R12: ffffb5b48478b5e8\nR13: ffff963a3c609b5e R14: ffff9639c3fbd800 R15: ffffb5b480475a80\nFS: 00007fc03b444c80(0000) GS:ffff963a3dc00000(0000) knlGS:0000000000000000\nCS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: 0000556f46bdf000 CR3: 0000000006ac6003 CR4: 00000000003706f0\nDR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\nDR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400\nCall Trace:\n\n? show_regs+0x72/0x90\n? mlx5_ib_post_send+0x191b/0x1a60 [mlx5_ib]\n? __warn+0x8d/0x160\n? mlx5_ib_post_send+0x191b/0x1a60 [mlx5_ib]\n? report_bug+0x1bb/0x1d0\n? handle_bug+0x46/0x90\n? exc_invalid_op+0x19/0x80\n? asm_exc_invalid_op+0x1b/0x20\n? mlx5_ib_post_send+0x191b/0x1a60 [mlx5_ib]\nmlx5_ib_post_send_nodrain+0xb/0x20 [mlx5_ib]\nipoib_send+0x2ec/0x770 [ib_ipoib]\nipoib_start_xmit+0x5a0/0x770 [ib_ipoib]\ndev_hard_start_xmit+0x8e/0x1e0\n? validate_xmit_skb_list+0x4d/0x80\nsch_direct_xmit+0x116/0x3a0\n__dev_xmit_skb+0x1fd/0x580\n__dev_queue_xmit+0x284/0x6b0\n? _raw_spin_unlock_irq+0xe/0x50\n? __flush_work.isra.0+0x20d/0x370\n? push_pseudo_header+0x17/0x40 [ib_ipoib]\nneigh_connected_output+0xcd/0x110\nip_finish_output2+0x179/0x480\n? __smp_call_single_queue+0x61/0xa0\n__ip_finish_output+0xc3/0x190\nip_finish_output+0x2e/0xf0\nip_output+0x78/0x110\n? __pfx_ip_finish_output+0x10/0x10\nip_local_out+0x64/0x70\n__ip_queue_xmit+0x18a/0x460\nip_queue_xmit+0x15/0x30\n__tcp_transmit_skb+0x914/0x9c0\ntcp_write_xmit+0x334/0x8d0\ntcp_push_one+0x3c/0x60\ntcp_sendmsg_locked+0x2e1/0xac0\ntcp_sendmsg+0x2d/0x50\ninet_sendmsg+0x43/0x90\nsock_sendmsg+0x68/0x80\nsock_write_iter+0x93/0x100\nvfs_write+0x326/0x3c0\nksys_write+0xbd/0xf0\n? do_syscall_64+0x69/0x90\n__x64_sys_write+0x19/0x30\ndo_syscall_\n---truncated---

See more information about CVE-2024-26907 from MITRE CVE dictionary and NIST NVD

CVSS Scoring

NOTE: The following CVSS v3.1 metrics and score provided are preliminary and subject to review.

Base Score:	6.7	CVSS Vector:	CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack Vector:	Local network	Attack Complexity:	Low
Privileges Required:	High	User Interaction:	None
Scope:	Unchanged	Confidentiality Impact:	High
Integrity Impact:	High	Availability Impact:	High

Errata information

Platform	Errata	Release Date
Oracle Linux version 8 (kernel)	ELSA-2024-4211	2024-07-02
Oracle Linux version 9 (kernel)	ELSA-2024-9315	2024-11-14