CVE-2026-43283— net: ethernet: ec_bhf: Fix dma_free_coherent() dma handle
Possible ATT&CK Techniques 1AI
T1564 · Hide ArtifactsAffected Version Matrix 18
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Linux | Linux | 6af55ff52b02d492d45db88df3e461fa51a6f753< 0f589ee54fd6d76d3f75e745f7f12c64cbd749e5 | affected |
6af55ff52b02d492d45db88df3e461fa51a6f753< accd0599bc8e73b962247c6c6c70ca7aa1f8e8d0 | affected | ||
6af55ff52b02d492d45db88df3e461fa51a6f753< 8320727be7ff704e07c87624efc2a4a75f54b3ce | affected | ||
6af55ff52b02d492d45db88df3e461fa51a6f753< 1e300c33ef3cc544c2b9c693778fe9490cfe9184 | affected | ||
6af55ff52b02d492d45db88df3e461fa51a6f753< 1b1371cd4032ae859838ebc74215f569987bb197 | affected | ||
6af55ff52b02d492d45db88df3e461fa51a6f753< 1b1d3c5d58a80a19d017a409aa2308162bab5bbf | affected | ||
6af55ff52b02d492d45db88df3e461fa51a6f753< 7e54ff938bebb173822b4c38b33fc164c1cabf92 | affected | ||
6af55ff52b02d492d45db88df3e461fa51a6f753< ffe68c3766997d82e9ccaf1cdbd47eba269c4aa2 | affected | ||
| … +10 more rows | |||
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I. Basic Information for CVE-2026-43283
Vulnerability Information
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Vulnerability Title
net: ethernet: ec_bhf: Fix dma_free_coherent() dma handle
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: net: ethernet: ec_bhf: Fix dma_free_coherent() dma handle dma_free_coherent() in error path takes priv->rx_buf.alloc_len as the dma handle. This would lead to improper unmapping of the buffer. Change the dma handle to priv->rx_buf.alloc_phys.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
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，该漏洞源于错误路径中dma_free_coherent使用了错误的dma句柄，可能导致缓冲区取消映射不当。
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
II. Public POCs for CVE-2026-43283
| # | POC Description | Source Link | Shenlong Link |
|---|
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Patches & Fixes for CVE-2026-43283 (8)
Same Patch Batch · Linux · 2026-05-06 · 225 CVEs total
| CVE-2026-43185 | 9.8 CRITICAL | ksmbd: fix signededness bug in smb_direct_prepare_negotiation() |
| CVE-2026-43186 | 9.8 CRITICAL | ipv6: ioam: fix heap buffer overflow in __ioam6_fill_trace_data() |
| CVE-2026-43198 | 9.8 CRITICAL | tcp: fix potential race in tcp_v6_syn_recv_sock() |
| CVE-2026-43208 | 9.8 CRITICAL | net: do not pass flow_id to set_rps_cpu() |
| CVE-2026-43125 | 9.8 CRITICAL | dlm: validate length in dlm_search_rsb_tree |
| CVE-2026-43114 | 9.4 CRITICAL | netfilter: nft_set_pipapo_avx2: don't return non-matching entry on expiry |
| CVE-2026-43197 | 9.1 CRITICAL | netconsole: avoid OOB reads, msg is not nul-terminated |
| CVE-2026-43083 | 9.1 CRITICAL | net: ioam6: fix OOB and missing lock |
| CVE-2026-43117 | 9.1 CRITICAL | btrfs: tracepoints: get correct superblock from dentry in event btrfs_sync_file() |
| CVE-2026-43113 | 8.8 HIGH | wifi: wl1251: validate packet IDs before indexing tx_frames |
| CVE-2026-43215 | 8.8 HIGH | cifs: Fix locking usage for tcon fields |
| CVE-2026-43158 | 8.8 HIGH | xfs: fix freemap adjustments when adding xattrs to leaf blocks |
| CVE-2026-43232 | 8.8 HIGH | net: wan: farsync: Fix use-after-free bugs caused by unfinished tasklets |
| CVE-2026-43187 | 8.8 HIGH | xfs: delete attr leaf freemap entries when empty |
| CVE-2026-43176 | 8.8 HIGH | wifi: rtw89: pci: validate release report content before using for RTL8922DE |
| CVE-2026-43172 | 8.8 HIGH | wifi: iwlwifi: fix 22000 series SMEM parsing |
| CVE-2026-43110 | 8.8 HIGH | wifi: brcmfmac: validate bsscfg indices in IF events |
| CVE-2026-43249 | 8.8 HIGH | 9p/xen: protect xen_9pfs_front_free against concurrent calls |
| CVE-2026-43112 | 8.8 HIGH | fs/smb/client: fix out-of-bounds read in cifs_sanitize_prepath |
| CVE-2026-43239 | 8.8 HIGH | smb: client: prevent races in ->query_interfaces() |
Showing top 20 of 225 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same product: Linux
- CVE-2026-46241
spi: mpc52xx: fix use-after-free on registration failure - CVE-2026-46239
media: i2c: ov5647: Fix runtime PM refcount leak in s_ctrl - CVE-2026-46240
media: iris: Fix use-after-free in iris_release_internal_buf - CVE-2026-46238
batman-adv: stop caching unowned originator pointers in BAT - CVE-2026-46237
drm/amdgpu/vcn3: Avoid overflow on msg bound check
Same vendor: Linux
- CVE-2026-46241
spi: mpc52xx: fix use-after-free on registration failure - CVE-2026-46239
media: i2c: ov5647: Fix runtime PM refcount leak in s_ctrl - CVE-2026-46240
media: iris: Fix use-after-free in iris_release_internal_buf - CVE-2026-46238
batman-adv: stop caching unowned originator pointers in BAT - CVE-2026-46237
drm/amdgpu/vcn3: Avoid overflow on msg bound check
V. Comments for CVE-2026-43283
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