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CVE-2026-23212— bonding: annotate data-races around slave->last_rx

EPSS 0.01% · P3

Affected Version Matrix 12

VendorProductVersion RangeStatus
LinuxLinuxf5b2b966f032f22d3a289045a5afd4afa09f09c6< a7516cb0165926d308187e231ccd330e5e3ebff7affected
f5b2b966f032f22d3a289045a5afd4afa09f09c6< 8c0be3277e7aefb2f900fc37ca3fe7df362e26f5affected
f5b2b966f032f22d3a289045a5afd4afa09f09c6< b956289b83887e0a306067b6003c3fcd81bfdf84affected
f5b2b966f032f22d3a289045a5afd4afa09f09c6< bd98324e327e41de04b13e372cc16f73150df254affected
f5b2b966f032f22d3a289045a5afd4afa09f09c6< f6c3665b6dc53c3ab7d31b585446a953a74340efaffected
2.6.19affected
< 2.6.19unaffected
6.1.162≤ 6.1.*unaffected
… +4 more rows
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I. Basic Information for CVE-2026-23212

Vulnerability Information
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Vulnerability Title
bonding: annotate data-races around slave->last_rx
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: bonding: annotate data-races around slave->last_rx slave->last_rx and slave->target_last_arp_rx[...] can be read and written locklessly. Add READ_ONCE() and WRITE_ONCE() annotations. syzbot reported: BUG: KCSAN: data-race in bond_rcv_validate / bond_rcv_validate write to 0xffff888149f0d428 of 8 bytes by interrupt on cpu 1: bond_rcv_validate+0x202/0x7a0 drivers/net/bonding/bond_main.c:3335 bond_handle_frame+0xde/0x5e0 drivers/net/bonding/bond_main.c:1533 __netif_receive_skb_core+0x5b1/0x1950 net/core/dev.c:6039 __netif_receive_skb_one_core net/core/dev.c:6150 [inline] __netif_receive_skb+0x59/0x270 net/core/dev.c:6265 netif_receive_skb_internal net/core/dev.c:6351 [inline] netif_receive_skb+0x4b/0x2d0 net/core/dev.c:6410 ... write to 0xffff888149f0d428 of 8 bytes by interrupt on cpu 0: bond_rcv_validate+0x202/0x7a0 drivers/net/bonding/bond_main.c:3335 bond_handle_frame+0xde/0x5e0 drivers/net/bonding/bond_main.c:1533 __netif_receive_skb_core+0x5b1/0x1950 net/core/dev.c:6039 __netif_receive_skb_one_core net/core/dev.c:6150 [inline] __netif_receive_skb+0x59/0x270 net/core/dev.c:6265 netif_receive_skb_internal net/core/dev.c:6351 [inline] netif_receive_skb+0x4b/0x2d0 net/core/dev.c:6410 br_netif_receive_skb net/bridge/br_input.c:30 [inline] NF_HOOK include/linux/netfilter.h:318 [inline] ... value changed: 0x0000000100005365 -> 0x0000000100005366
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
Linux kernel 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
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，该漏洞源于缺少读写锁保护，可能导致数据竞争。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
LinuxLinux f5b2b966f032f22d3a289045a5afd4afa09f09c6 ~ a7516cb0165926d308187e231ccd330e5e3ebff7 -
LinuxLinux 2.6.19 -

II. Public POCs for CVE-2026-23212

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III. Intelligence Information for CVE-2026-23212

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Same Patch Batch · Linux · 2026-02-18 · 31 CVEs total

CVE-2026-232308.8 HIGHsmb: client: split cached_fid bitfields to avoid shared-byte RMW races
CVE-2026-232268.8 HIGHksmbd: add chann_lock to protect ksmbd_chann_list xarray
CVE-2026-232277.8 HIGHdrm/exynos: vidi: use ctx->lock to protect struct vidi_context member variables related to
CVE-2026-232257.8 HIGHsched/mmcid: Don't assume CID is CPU owned on mode switch
CVE-2026-232247.8 HIGHerofs: fix UAF issue for file-backed mounts w/ directio option
CVE-2026-232227.8 HIGHcrypto: omap - Allocate OMAP_CRYPTO_FORCE_COPY scatterlists correctly
CVE-2025-71234wifi: rtl8xxxu: fix slab-out-of-bounds in rtl8xxxu_sta_add
CVE-2026-23229crypto: virtio - Add spinlock protection with virtqueue notification
CVE-2026-23228smb: server: fix leak of active_num_conn in ksmbd_tcp_new_connection()
CVE-2026-23223xfs: fix UAF in xchk_btree_check_block_owner
CVE-2026-23221bus: fsl-mc: fix use-after-free in driver_override_show()
CVE-2026-23220ksmbd: fix infinite loop caused by next_smb2_rcv_hdr_off reset in error paths
CVE-2025-71237nilfs2: Fix potential block overflow that cause system hang
CVE-2025-71236scsi: qla2xxx: Validate sp before freeing associated memory
CVE-2025-71235scsi: qla2xxx: Delay module unload while fabric scan in progress
CVE-2026-23211mm, swap: restore swap_space attr aviod kernel panic
CVE-2025-71233PCI: endpoint: Avoid creating sub-groups asynchronously
CVE-2025-71232scsi: qla2xxx: Free sp in error path to fix system crash
CVE-2025-71231crypto: iaa - Fix out-of-bounds index in find_empty_iaa_compression_mode
CVE-2025-71230hfs: ensure sb->s_fs_info is always cleaned up

Showing top 20 of 31 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

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