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CVE-2026-98578— nfc: st21nfca: validate ISO15693 inventory length

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.

在 Linux 内核中，以下漏洞已得到修复： nfc: st21nfca：验证 ISO15693 库存数据的长度 ISO15693 库存辅助函数在未检查前缀是否存在的情况下，直接移除了两个字节的前缀，随后接受一个字节的数据，并将其作为 DSFID 读取。 修复方案要求必须存在该前缀，且剩余数据至少包含两个字节，方可执行 UID 数据复制及 DSFID 读取操作。

AI Predicted 7.8 Difficulty: Moderate

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 18

VendorProduct Version RangeStatus
Linux Linux 7974728094d35f38775417a26d8f30ea3602496a< e47b2a350bb0ff123434ec5484c6dc3333b0727c affected
7974728094d35f38775417a26d8f30ea3602496a< 57d183764f3002f9625ee4deeeb20716c519534e affected
7974728094d35f38775417a26d8f30ea3602496a< 3af2ea4035581a1607d9830779c187a0c7e225aa affected
7974728094d35f38775417a26d8f30ea3602496a< 9fa21b0f78adb514e3bd96a505ddb752e9727ff3 affected
7974728094d35f38775417a26d8f30ea3602496a< 6353dae51bc9b3cad13c9d890b53311a46c96b4e affected
7974728094d35f38775417a26d8f30ea3602496a< fdd95e819d828c975aaeb258a3fed5dd7fd136d0 affected
7974728094d35f38775417a26d8f30ea3602496a< a86987d03a4d39acdbe4533d83db4d656ea36c59 affected
7974728094d35f38775417a26d8f30ea3602496a< 7f2ea5ed588c03d481f0301e6c3d4240132383fb affected
… +10 more rows
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I. Basic Information for CVE-2026-98578

Vulnerability Information
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Vulnerability Title
nfc: st21nfca: validate ISO15693 inventory length
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: nfc: st21nfca: validate ISO15693 inventory length The ISO15693 inventory helper removes a two-byte prefix without checking that it exists, then accepts a one-byte remainder before reading data[1] as the DSFID. Require the prefix and at least two remaining bytes before copying the UID data and reading the DSFID.
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

Affected Products

Vendor Product Affected Versions CPE Subscribe
Linux Linux 7974728094d35f38775417a26d8f30ea3602496a ~ e47b2a350bb0ff123434ec5484c6dc3333b0727c -
Linux Linux 3.16 -

II. Public POCs for CVE-2026-98578

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III. Intelligence Information for CVE-2026-98578

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Patches & Fixes for CVE-2026-98578 (7)

Other References for CVE-2026-98578 (1)

Same Patch Batch · Linux · 2026-10-18 · 436 CVEs total

CVE-2026-98583 nfc: nfcmrvl: validate helper command length before pull
CVE-2026-98568 vxlan: use one headroom snapshot for neighbour replies
CVE-2026-98570 net: ipv6: keep room for the mac header in dst_dev_overhead()
CVE-2026-98571 net: stmmac: clear stale buf->page after recycling on skb build failure
CVE-2026-98572 bpf: Fix immediate JMP JEQ/JNE on MIPS32
CVE-2026-98573 net: skbuff: fix pull-bound underflow in skb_checksum_setup_ipv6()
CVE-2026-98574 net: bcmgenet: stop Tx NAPI before disabling the queues
CVE-2026-98575 nfc: pn533: fix OOB read in pn533_acr122_is_rx_frame_valid()
CVE-2026-98576 nfc: llcp: fix slab-out-of-bounds reads when logging service names
CVE-2026-98577 nfc: llcp: fix WKS SAP hijacking via prefix match in nfc_llcp_wks_sap()
CVE-2026-98579 nfc: llcp: fix sdreq TLV list leak on parse/alloc/send failure
CVE-2026-98580 nfc: llcp: Fix race condition in accept_queue lifecycle
CVE-2026-98581 nfc: llcp: Fix list corruption / refcount desync in nfc_llcp_recv_dm()
CVE-2026-98582 nfc: st21nfca: validate received frame size
CVE-2026-98594 tg3: clean up PHYLIB resources on probe failure
CVE-2026-98591 bpf: Fix bounds check for skb-backed dynptrs
CVE-2026-98592 net: spacemit: clear TX descriptor on fragment mapping failure
CVE-2026-98593 s390/debug: Fix NULL pointer dereference in debug_info_copy()
CVE-2026-98590 bpf: Fix bpf_sock context code generation
CVE-2026-98595 udp: remove a disconnected socket from the 4-tuple hash table

Showing top 20 of 436 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2026-98578

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