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CVE-2026-43246— media: i2c/tw9906: Fix potential memory leak in tw9906_probe()

Quick assessment

Affected
Linux Linux
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

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tw9906驱动在探测错误路径中未释放v4l2控制处理器的内存，可能导致内存泄漏。

AI Predicted 5.5 Difficulty: Trivial EPSS 0.16% · P5

Possible ATT&CK Techniques 1 AI

T1562.008

Affected Version Matrix 18

VendorProduct Version RangeStatus
Linux Linux a000e9a02b5885b1b69f691c80e346d102f94a88< e9a490937942f18205dac7b6b192975ef1369ae1 affected
a000e9a02b5885b1b69f691c80e346d102f94a88< 9548a8bbf511a252a9848f96220c6b95c9a3b918 affected
a000e9a02b5885b1b69f691c80e346d102f94a88< 0c33338514d8246280533a77091e6b6ee548c606 affected
a000e9a02b5885b1b69f691c80e346d102f94a88< ccb92def042a3636ed47f25a30bd553788e5191e affected
a000e9a02b5885b1b69f691c80e346d102f94a88< fb09d8b80046216646f1a344410cfa9cfa6c6c7c affected
a000e9a02b5885b1b69f691c80e346d102f94a88< 377a7756914364d72550fc86ca0f404ef1d96141 affected
a000e9a02b5885b1b69f691c80e346d102f94a88< 59420d5d9c46b084e21f9ea6ce79fc79ae9e414c affected
a000e9a02b5885b1b69f691c80e346d102f94a88< cad237b6c875fbee5d353a2b289e98d240d17ec8 affected
… +10 more rows
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I. Basic Information for CVE-2026-43246

Vulnerability Information
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Vulnerability Title
media: i2c/tw9906: Fix potential memory leak in tw9906_probe()
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: media: i2c/tw9906: Fix potential memory leak in tw9906_probe() In one of the error paths in tw9906_probe(), the memory allocated in v4l2_ctrl_handler_init() and v4l2_ctrl_new_std() is not freed. Fix that by calling v4l2_ctrl_handler_free() on the handler in that error path.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
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tw9906驱动在探测错误路径中未释放v4l2控制处理器的内存，可能导致内存泄漏。
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

Vendor Product Affected Versions CPE Subscribe
Linux Linux a000e9a02b5885b1b69f691c80e346d102f94a88 ~ e9a490937942f18205dac7b6b192975ef1369ae1 -
Linux Linux 3.10 -

II. Public POCs for CVE-2026-43246

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III. Intelligence Information for CVE-2026-43246

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Patches & Fixes for CVE-2026-43246 (8)

Same Patch Batch · Linux · 2026-05-06 · 224 CVEs total

CVE-2026-43186 9.8 CRITICAL ipv6: ioam: fix heap buffer overflow in __ioam6_fill_trace_data()
CVE-2026-43185 9.8 CRITICAL ksmbd: fix signededness bug in smb_direct_prepare_negotiation()
CVE-2026-43125 9.8 CRITICAL dlm: validate length in dlm_search_rsb_tree
CVE-2026-43208 9.8 CRITICAL net: do not pass flow_id to set_rps_cpu()
CVE-2026-43198 9.8 CRITICAL tcp: fix potential race in tcp_v6_syn_recv_sock()
CVE-2026-43114 9.4 CRITICAL netfilter: nft_set_pipapo_avx2: don't return non-matching entry on expiry
CVE-2026-43117 9.1 CRITICAL btrfs: tracepoints: get correct superblock from dentry in event btrfs_sync_file()
CVE-2026-43083 9.1 CRITICAL net: ioam6: fix OOB and missing lock
CVE-2026-43197 9.1 CRITICAL netconsole: avoid OOB reads, msg is not nul-terminated
CVE-2026-43232 8.8 HIGH net: wan: farsync: Fix use-after-free bugs caused by unfinished tasklets
CVE-2026-43215 8.8 HIGH cifs: Fix locking usage for tcon fields
CVE-2026-43112 8.8 HIGH fs/smb/client: fix out-of-bounds read in cifs_sanitize_prepath
CVE-2026-43113 8.8 HIGH wifi: wl1251: validate packet IDs before indexing tx_frames
CVE-2026-43187 8.8 HIGH xfs: delete attr leaf freemap entries when empty
CVE-2026-43110 8.8 HIGH wifi: brcmfmac: validate bsscfg indices in IF events
CVE-2026-43283 8.8 HIGH net: ethernet: ec_bhf: Fix dma_free_coherent() dma handle
CVE-2026-43176 8.8 HIGH wifi: rtw89: pci: validate release report content before using for RTL8922DE
CVE-2026-43249 8.8 HIGH 9p/xen: protect xen_9pfs_front_free against concurrent calls
CVE-2026-43158 8.8 HIGH xfs: fix freemap adjustments when adding xattrs to leaf blocks
CVE-2026-43172 8.8 HIGH wifi: iwlwifi: fix 22000 series SMEM parsing

Showing top 20 of 224 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2026-43246

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