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CVE-2026-53178— staging: rtl8723bs: rtw_mlme: add bounds checks before ie_length subtraction

CVSS 8.1 · High EPSS 0.21% · P12

Possible ATT&CK Techniques 1AI

T1203 · Exploitation for Client Execution

Affected Version Matrix 6

VendorProductVersion RangeStatus
LinuxLinuxd3fcee1b78a533c256077f1300dd236801397cf7< 542d65a6dbd9733baab96313c9fe76a76e93f484affected
d3fcee1b78a533c256077f1300dd236801397cf7< 88e994c57a79f62d5338231d8d37ee8dd98baffeaffected
5.15affected
< 5.15unaffected
7.0.13≤ 7.0.*unaffected
7.1≤ *unaffected
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I. Basic Information for CVE-2026-53178

Vulnerability Information
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Vulnerability Title
staging: rtl8723bs: rtw_mlme: add bounds checks before ie_length subtraction
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: staging: rtl8723bs: rtw_mlme: add bounds checks before ie_length subtraction Add guards to ensure ie_length is large enough before subtracting fixed IE offsets to prevent unsigned integer underflow.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/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基金会开源的操作系统Linux所使用的内核。 Linux kernel 5.15版本存在安全漏洞，该漏洞源于在staging rtl8723bs驱动rtw_mlme中未在ie_length减法前添加边界检查，可能导致无符号整数下溢。
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 d3fcee1b78a533c256077f1300dd236801397cf7 ~ 542d65a6dbd9733baab96313c9fe76a76e93f484 -
LinuxLinux 5.15 -

II. Public POCs for CVE-2026-53178

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III. Intelligence Information for CVE-2026-53178

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Patches & Fixes for CVE-2026-53178 (2)

Same Patch Batch · Linux · 2026-06-25 · 147 CVEs total

CVE-2026-532289.8 CRITICALipv6: sit: reload inner IPv6 header after GSO offloads
CVE-2026-532219.8 CRITICALip6_vti: fix incorrect tunnel matching in vti6_tnl_lookup()
CVE-2026-532169.8 CRITICALnet: mvpp2: limit XDP frame size to the RX buffer
CVE-2026-531519.8 CRITICALrxrpc: Fix the ACK parser to extract the SACK table for parsing
CVE-2026-532159.8 CRITICALnet: mvpp2: refill RX buffers before XDP or skb use
CVE-2026-532469.8 CRITICALsctp: validate cached peer INIT chunk length in COOKIE_ECHO processing
CVE-2026-532479.8 CRITICALnet: ethernet: mtk_eth_soc: Fix use-after-free in metadata dst teardown
CVE-2026-531769.8 CRITICALIB/isert: Reject login PDUs shorter than ISER_HEADERS_LEN
CVE-2026-531759.8 CRITICALinet: frags: fix use-after-free caused by the fqdir_pre_exit() flush
CVE-2026-532609.8 CRITICALtcp: Add preempt_{disable,enable}_nested() in reqsk_queue_hash_req().
CVE-2026-531319.4 CRITICALnetfilter: require Ethernet MAC header before using eth_hdr()
CVE-2026-531869.1 CRITICALRDMA/srp: bound SRP_RSP sense copy by the received length
CVE-2026-532259.1 CRITICALsctp: fix uninit-value in __sctp_rcv_asconf_lookup()
CVE-2026-532249.1 CRITICALsctp: validate embedded INIT chunk and address list lengths in cookie
CVE-2026-532008.8 HIGHKVM: arm64: nv: Fix handling of XN[0] when !FEAT_XNX
CVE-2026-531888.8 HIGHRDMA/core: Validate the passed in fops for ib_get_ucaps()
CVE-2026-532488.8 HIGHnet: airoha: Fix use-after-free in metadata dst teardown
CVE-2026-531988.8 HIGHksmbd: fix use-after-free of a deferred file_lock on double SMB2_CANCEL
CVE-2026-532408.8 HIGHxfrm: iptfs: fix use-after-free on first_skb in __input_process_payload
CVE-2026-532758.8 HIGHipv6: mcast: Fix use-after-free when processing MLD queries

Showing top 20 of 147 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2026-53178

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