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CVE-2026-43184— rnbd-srv: Zero the rsp buffer before using it

CVSS 7.5 · High EPSS 0.44% · P36

Affected Version Matrix 18

VendorProductVersion RangeStatus
LinuxLinux2de6c8de192b9341ffa5e84afe1ce6196d4eef41< e4272754063d52c9ad0169865add8816ba696471affected
2de6c8de192b9341ffa5e84afe1ce6196d4eef41< e2cacec7d4291300a282feb3af8eba57b93b15aaaffected
2de6c8de192b9341ffa5e84afe1ce6196d4eef41< b646e54d23b9b592d612a2036aab14e0f6c14206affected
2de6c8de192b9341ffa5e84afe1ce6196d4eef41< 30868a6a5238849d554295aff3ce61d242d7fad8affected
2de6c8de192b9341ffa5e84afe1ce6196d4eef41< 7aac0a30dcf41cdb510526740d9a2ab1520c5d98affected
2de6c8de192b9341ffa5e84afe1ce6196d4eef41< c94ede3c436dfbd9cedd9cb69f604f6fc901b6a2affected
2de6c8de192b9341ffa5e84afe1ce6196d4eef41< 852475278ca5e96e0c0275950e1a84203e602b33affected
2de6c8de192b9341ffa5e84afe1ce6196d4eef41< 69d26698e4fd44935510553809007151b2fe4db5affected
… +10 more rows
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I. Basic Information for CVE-2026-43184

Vulnerability Information
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Vulnerability Title
rnbd-srv: Zero the rsp buffer before using it
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: rnbd-srv: Zero the rsp buffer before using it Before using the data buffer to send back the response message, zero it completely. This prevents any stray bytes to be picked up by the client side when there the message is exchanged between different protocol versions.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
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rnbd-srv中未在发送响应前清零数据缓冲区，可能导致协议版本交换时泄露数据。
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 2de6c8de192b9341ffa5e84afe1ce6196d4eef41 ~ e4272754063d52c9ad0169865add8816ba696471 -
LinuxLinux 5.8 -

II. Public POCs for CVE-2026-43184

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III. Intelligence Information for CVE-2026-43184

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Patches & Fixes for CVE-2026-43184 (8)

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

CVE-2026-431989.8 CRITICALtcp: fix potential race in tcp_v6_syn_recv_sock()
CVE-2026-431259.8 CRITICALdlm: validate length in dlm_search_rsb_tree
CVE-2026-431869.8 CRITICALipv6: ioam: fix heap buffer overflow in __ioam6_fill_trace_data()
CVE-2026-432089.8 CRITICALnet: do not pass flow_id to set_rps_cpu()
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-2026-430839.1 CRITICALnet: ioam6: fix OOB and missing lock
CVE-2026-431179.1 CRITICALbtrfs: tracepoints: get correct superblock from dentry in event btrfs_sync_file()
CVE-2026-431588.8 HIGHxfs: fix freemap adjustments when adding xattrs to leaf blocks
CVE-2026-431128.8 HIGHfs/smb/client: fix out-of-bounds read in cifs_sanitize_prepath
CVE-2026-431768.8 HIGHwifi: rtw89: pci: validate release report content before using for RTL8922DE
CVE-2026-432158.8 HIGHcifs: Fix locking usage for tcon fields
CVE-2026-432838.8 HIGHnet: ethernet: ec_bhf: Fix dma_free_coherent() dma handle
CVE-2026-431878.8 HIGHxfs: delete attr leaf freemap entries when empty
CVE-2026-432328.8 HIGHnet: wan: farsync: Fix use-after-free bugs caused by unfinished tasklets
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-2026-431138.8 HIGHwifi: wl1251: validate packet IDs before indexing tx_frames

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-2026-43184

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