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CVE-2026-53257— wifi: cfg80211: enforce HE/EHT cap/oper consistency

AI Predicted 5.5 Difficulty: Moderate EPSS 0.10% · P1

Possible ATT&CK Techniques 1AI

T1207 · Rogue Domain Controller

Affected Version Matrix 6

VendorProductVersion RangeStatus
LinuxLinux22c64f37e1d4e757b0073a72f1439c2c3509c5cb< 0f5e9ddd7e8e7758771a63cdd498a2007dc8da7aaffected
22c64f37e1d4e757b0073a72f1439c2c3509c5cb< cb9959ab5f99611d27a06586add84811fe8102dcaffected
6.16affected
< 6.16unaffected
7.0.13≤ 7.0.*unaffected
7.1≤ *unaffected
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I. Basic Information for CVE-2026-53257

Vulnerability Information
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Vulnerability Title
wifi: cfg80211: enforce HE/EHT cap/oper consistency
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: wifi: cfg80211: enforce HE/EHT cap/oper consistency Xiang Mei reports that mac80211 could crash if eht_cap is set but eht_oper isn't. Rather than fixing that for the individual user(s), enforce that both HE/EHT have consistent elements.
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基金会开源的操作系统Linux所使用的内核。 Linux kernel 6.16版本存在安全漏洞，该漏洞源于HE/EHT cap/oper一致性未被强制执行，如果设置了eht_cap但未设置eht_oper可能导致mac80211崩溃。
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 22c64f37e1d4e757b0073a72f1439c2c3509c5cb ~ 0f5e9ddd7e8e7758771a63cdd498a2007dc8da7a -
LinuxLinux 6.16 -

II. Public POCs for CVE-2026-53257

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III. Intelligence Information for CVE-2026-53257

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Patches & Fixes for CVE-2026-53257 (1)

Same Patch Batch · Linux · 2026-06-25 · 146 CVEs total

CVE-2026-531769.8 CRITICALIB/isert: Reject login PDUs shorter than ISER_HEADERS_LEN
CVE-2026-532289.8 CRITICALipv6: sit: reload inner IPv6 header after GSO offloads
CVE-2026-531519.8 CRITICALrxrpc: Fix the ACK parser to extract the SACK table for parsing
CVE-2026-532219.8 CRITICALip6_vti: fix incorrect tunnel matching in vti6_tnl_lookup()
CVE-2026-532479.8 CRITICALnet: ethernet: mtk_eth_soc: Fix use-after-free in metadata dst teardown
CVE-2026-532169.8 CRITICALnet: mvpp2: limit XDP frame size to the RX buffer
CVE-2026-532609.8 CRITICALtcp: Add preempt_{disable,enable}_nested() in reqsk_queue_hash_req().
CVE-2026-532469.8 CRITICALsctp: validate cached peer INIT chunk length in COOKIE_ECHO processing
CVE-2026-531759.8 CRITICALinet: frags: fix use-after-free caused by the fqdir_pre_exit() flush
CVE-2026-532159.8 CRITICALnet: mvpp2: refill RX buffers before XDP or skb use
CVE-2026-531319.4 CRITICALnetfilter: require Ethernet MAC header before using eth_hdr()
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-2026-531869.1 CRITICALRDMA/srp: bound SRP_RSP sense copy by the received length
CVE-2026-532408.8 HIGHxfrm: iptfs: fix use-after-free on first_skb in __input_process_payload
CVE-2026-531718.8 HIGHaccel/ethosu: fix arithmetic issues in dma_length()
CVE-2026-532328.8 HIGHnet: phy: clean the sfp upstream if phy probing fails
CVE-2026-531598.8 HIGHmisc: fastrpc: fix DMA address corruption due to find_vma misuse
CVE-2026-531708.8 HIGHaccel/ethosu: reject DMA commands with uninitialized length
CVE-2026-531888.8 HIGHRDMA/core: Validate the passed in fops for ib_get_ucaps()

Showing top 20 of 146 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2026-53257

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