Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1336 CNY

100%
Buy Us a Coffee

CVE-2026-43202— fbdev: vt8500lcdfb: fix missing dma_free_coherent()

AI Predicted 5.3 Difficulty: Trivial EPSS 0.13% · P3

Possible ATT&CK Techniques 1AI

T1499 · Endpoint Denial of Service

Affected Version Matrix 18

VendorProductVersion RangeStatus
LinuxLinuxe7b995371fe1e29838321fcdc3cfe35bb0d6bfc4< 9a9bc60ed372aaae9784ff8ad8e5f496ff15fd31affected
e7b995371fe1e29838321fcdc3cfe35bb0d6bfc4< 9c3873cccb3fab54cde0605ae7093d332c99073eaffected
e7b995371fe1e29838321fcdc3cfe35bb0d6bfc4< 778f31be5b8c10024db23fdd8a05f68a02311008affected
e7b995371fe1e29838321fcdc3cfe35bb0d6bfc4< e8c5d5f6cd66e032f9aefdcc21b0c34761aef78aaffected
e7b995371fe1e29838321fcdc3cfe35bb0d6bfc4< f47d5b9e8aa6178a0aaf225119ad1ec7d3f49876affected
e7b995371fe1e29838321fcdc3cfe35bb0d6bfc4< 40c1ff25025150ff6d7ec7ad441fcfd6d070ee76affected
e7b995371fe1e29838321fcdc3cfe35bb0d6bfc4< 2cd2f988a8bd2da227f5c3cfa0cbf3a9a287ddc3affected
e7b995371fe1e29838321fcdc3cfe35bb0d6bfc4< 88b3b9924337336a31cefbe99a22ed09401be74aaffected
… +10 more rows
Get alerts for future matching vulnerabilitiesLog in to subscribe

I. Basic Information for CVE-2026-43202

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
fbdev: vt8500lcdfb: fix missing dma_free_coherent()
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: fbdev: vt8500lcdfb: fix missing dma_free_coherent() fbi->fb.screen_buffer is allocated with dma_alloc_coherent() but is not freed if the error path is reached.
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vt8500lcdfb驱动中dma_alloc_coherent分配的内存未在错误路径释放，可能导致资源泄漏。
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

VendorProductAffected VersionsCPESubscribe
LinuxLinux e7b995371fe1e29838321fcdc3cfe35bb0d6bfc4 ~ 9a9bc60ed372aaae9784ff8ad8e5f496ff15fd31 -
LinuxLinux 3.7 -

II. Public POCs for CVE-2026-43202

#POC DescriptionSource LinkShenlong Link
AI-Generated POCPremium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2026-43202

请登录查看更多情报信息。

Patches & Fixes for CVE-2026-43202 (8)

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

CVE-2026-432089.8 CRITICALnet: do not pass flow_id to set_rps_cpu()
CVE-2026-431259.8 CRITICALdlm: validate length in dlm_search_rsb_tree
CVE-2026-431989.8 CRITICALtcp: fix potential race in tcp_v6_syn_recv_sock()
CVE-2026-431869.8 CRITICALipv6: ioam: fix heap buffer overflow in __ioam6_fill_trace_data()
CVE-2026-431859.8 CRITICALksmbd: fix signededness bug in smb_direct_prepare_negotiation()
CVE-2026-431149.4 CRITICALnetfilter: nft_set_pipapo_avx2: don't return non-matching entry on expiry
CVE-2026-431979.1 CRITICALnetconsole: avoid OOB reads, msg is not nul-terminated
CVE-2026-431179.1 CRITICALbtrfs: tracepoints: get correct superblock from dentry in event btrfs_sync_file()
CVE-2026-430839.1 CRITICALnet: ioam6: fix OOB and missing lock
CVE-2026-432158.8 HIGHcifs: Fix locking usage for tcon fields
CVE-2026-432328.8 HIGHnet: wan: farsync: Fix use-after-free bugs caused by unfinished tasklets
CVE-2026-431728.8 HIGHwifi: iwlwifi: fix 22000 series SMEM parsing
CVE-2026-432838.8 HIGHnet: ethernet: ec_bhf: Fix dma_free_coherent() dma handle
CVE-2026-431138.8 HIGHwifi: wl1251: validate packet IDs before indexing tx_frames
CVE-2026-431768.8 HIGHwifi: rtw89: pci: validate release report content before using for RTL8922DE
CVE-2026-431128.8 HIGHfs/smb/client: fix out-of-bounds read in cifs_sanitize_prepath
CVE-2026-431108.8 HIGHwifi: brcmfmac: validate bsscfg indices in IF events
CVE-2026-432498.8 HIGH9p/xen: protect xen_9pfs_front_free against concurrent calls
CVE-2026-432398.8 HIGHsmb: client: prevent races in ->query_interfaces()
CVE-2026-431878.8 HIGHxfs: delete attr leaf freemap entries when empty

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-2026-43202

No comments yet

Leave a comment