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CVE-2026-53150— thunderbolt: Reject zero-length property entries in validator

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.

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 4.15版本存在安全漏洞，该漏洞源于验证器tb_property_entry_valid()接受长度为零的TEXT类型条目，导致空终止逻辑下溢，可能写入相对于分配的偏移-1。

AI Predicted 7.8 Difficulty: Moderate EPSS 0.12% · P2

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 18

VendorProduct Version RangeStatus
Linux Linux cdae7c07e3e3509eaabc18c1640a55dc5b99c179< 581c2053ab4dbe27e83c9e62deb4c73aa8dc0c3a affected
cdae7c07e3e3509eaabc18c1640a55dc5b99c179< 35d6c9252a152e756768a26dbf216b9dd9dd8e92 affected
cdae7c07e3e3509eaabc18c1640a55dc5b99c179< 99d9dbad1463afb510d42c9714f846361d1b726d affected
cdae7c07e3e3509eaabc18c1640a55dc5b99c179< 5f56bc6bddffe8710ba0ba8844023b5a44ca90e4 affected
cdae7c07e3e3509eaabc18c1640a55dc5b99c179< ca11e7da4fba4b394f69e16448f4463c44c84de6 affected
cdae7c07e3e3509eaabc18c1640a55dc5b99c179< 2e0ddac549ebd713eb9f4a15b6496e3440a17d8b affected
cdae7c07e3e3509eaabc18c1640a55dc5b99c179< 3b6e68cb97f725385010264a873e14a3921b6b8a affected
cdae7c07e3e3509eaabc18c1640a55dc5b99c179< cff8eb65d1eafe7793e54b4d0cf6bf831644630b affected
… +10 more rows
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I. Basic Information for CVE-2026-53150

Vulnerability Information
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Vulnerability Title
thunderbolt: Reject zero-length property entries in validator
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: thunderbolt: Reject zero-length property entries in validator tb_property_entry_valid() accepts entries with length == 0 for DIRECTORY, DATA, and TEXT types. A zero-length TEXT entry passes validation but causes an underflow in the null-termination logic: property->value.text[property->length * 4 - 1] = '\0'; When property->length is 0 this writes to offset -1 relative to the allocation. Reject zero-length entries early in the validator since they have no valid representation in the XDomain property protocol.
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 4.15版本存在安全漏洞，该漏洞源于验证器tb_property_entry_valid()接受长度为零的TEXT类型条目，导致空终止逻辑下溢，可能写入相对于分配的偏移-1。
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

Vendor Product Affected Versions CPE Subscribe
Linux Linux cdae7c07e3e3509eaabc18c1640a55dc5b99c179 ~ 581c2053ab4dbe27e83c9e62deb4c73aa8dc0c3a -
Linux Linux 4.15 -

II. Public POCs for CVE-2026-53150

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III. Intelligence Information for CVE-2026-53150

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Patches & Fixes for CVE-2026-53150 (7)

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

CVE-2026-53247 9.8 CRITICAL net: ethernet: mtk_eth_soc: Fix use-after-free in metadata dst teardown
CVE-2026-53215 9.8 CRITICAL net: mvpp2: refill RX buffers before XDP or skb use
CVE-2026-53216 9.8 CRITICAL net: mvpp2: limit XDP frame size to the RX buffer
CVE-2026-53151 9.8 CRITICAL rxrpc: Fix the ACK parser to extract the SACK table for parsing
CVE-2026-53246 9.8 CRITICAL sctp: validate cached peer INIT chunk length in COOKIE_ECHO processing
CVE-2026-53221 9.8 CRITICAL ip6_vti: fix incorrect tunnel matching in vti6_tnl_lookup()
CVE-2026-53260 9.8 CRITICAL tcp: Add preempt_{disable,enable}_nested() in reqsk_queue_hash_req().
CVE-2026-53175 9.8 CRITICAL inet: frags: fix use-after-free caused by the fqdir_pre_exit() flush
CVE-2026-53176 9.8 CRITICAL IB/isert: Reject login PDUs shorter than ISER_HEADERS_LEN
CVE-2026-53228 9.8 CRITICAL ipv6: sit: reload inner IPv6 header after GSO offloads
CVE-2026-53131 9.4 CRITICAL netfilter: require Ethernet MAC header before using eth_hdr()
CVE-2026-53225 9.1 CRITICAL sctp: fix uninit-value in __sctp_rcv_asconf_lookup()
CVE-2026-53224 9.1 CRITICAL sctp: validate embedded INIT chunk and address list lengths in cookie
CVE-2026-53186 9.1 CRITICAL RDMA/srp: bound SRP_RSP sense copy by the received length
CVE-2026-53240 8.8 HIGH xfrm: iptfs: fix use-after-free on first_skb in __input_process_payload
CVE-2026-53170 8.8 HIGH accel/ethosu: reject DMA commands with uninitialized length
CVE-2026-53248 8.8 HIGH net: airoha: Fix use-after-free in metadata dst teardown
CVE-2026-53159 8.8 HIGH misc: fastrpc: fix DMA address corruption due to find_vma misuse
CVE-2026-53200 8.8 HIGH KVM: arm64: nv: Fix handling of XN[0] when !FEAT_XNX
CVE-2026-53188 8.8 HIGH RDMA/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-2026-53150

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