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CVE-2026-53336— nvmem: layouts: onie-tlv: fix hang on unknown types

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基金会开源的一款操作系统内核。 Linux kernel 6.4版本存在安全漏洞，该漏洞源于onie-tlv布局驱动在处理未知类型条目时未正确增加偏移量，可能导致无限循环。

AI Predicted 3.3 Difficulty: Moderate EPSS 0.12% · P2

Possible ATT&CK Techniques 1 AI

T1003 · OS Credential Dumping

Affected Version Matrix 12

VendorProduct Version RangeStatus
Linux Linux d3c0d12f6474216bf386101e2449cc73e5c5b61d< 033d498b0f473c6456be5f885be172024ad84972 affected
d3c0d12f6474216bf386101e2449cc73e5c5b61d< fd47edeabadfaa75422009dc5894e92c4c697517 affected
d3c0d12f6474216bf386101e2449cc73e5c5b61d< 4a4d21f531ccf5bb333d99b620e0d66551f3652c affected
d3c0d12f6474216bf386101e2449cc73e5c5b61d< 4f27eb01619c36cc8e3ce9a2a9af97f145f5d1c6 affected
d3c0d12f6474216bf386101e2449cc73e5c5b61d< ea41020b9018e31c2ea7e9d89021e3e6d7470883 affected
6.4 affected
< 6.4 unaffected
6.6.143≤ 6.6.* unaffected
… +4 more rows
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I. Basic Information for CVE-2026-53336

Vulnerability Information
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Vulnerability Title
nvmem: layouts: onie-tlv: fix hang on unknown types
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: nvmem: layouts: onie-tlv: fix hang on unknown types The EEPROM on my board has a vendor specific entry of type 0x41. When stumbling upon that, this driver hangs in an endless loop. Fix it by keep incrementing the offset on unknown entries, so the loop will eventually stop.
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基金会开源的一款操作系统内核。 Linux kernel 6.4版本存在安全漏洞，该漏洞源于onie-tlv布局驱动在处理未知类型条目时未正确增加偏移量，可能导致无限循环。
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 d3c0d12f6474216bf386101e2449cc73e5c5b61d ~ 033d498b0f473c6456be5f885be172024ad84972 -
Linux Linux 6.4 -

II. Public POCs for CVE-2026-53336

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III. Intelligence Information for CVE-2026-53336

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Patches & Fixes for CVE-2026-53336 (5)

Same Patch Batch · Linux · 2026-07-01 · 31 CVEs total

CVE-2026-53355 9.8 CRITICAL net: rds: clear i_sends on setup unwind
CVE-2026-53354 8.8 HIGH arm64: errata: Mitigate TLBI errata on various Arm CPUs
CVE-2026-53356 7.8 HIGH drm/i915/gem: Fix phys BO pread/pwrite with offset
CVE-2026-53341 7.8 HIGH fhandle: fix UAF due to unlocked ->mnt_ns read in may_decode_fh()
CVE-2026-53329 7.0 HIGH drm/amd/display: Use krealloc_array() in dal_vector_reserve()
CVE-2026-53342 arm64: mm: call pagetable dtor when freeing hot-removed page tables
CVE-2026-53353 hsr: Remove WARN_ONCE() in hsr_addr_is_self().
CVE-2026-53352 signal: clear JOBCTL_PENDING_MASK for caller in zap_other_threads()
CVE-2026-53351 riscv/ptrace: Use USER_REGSET_NOTE_TYPE for REGSET_CFI
CVE-2026-53350 ASoC: wm_adsp: Fix NULL dereference when removing firmware controls
CVE-2026-53348 ASoC: SDCA: fix NULL pointer dereference in sdca_dev_unregister_functions
CVE-2026-53349 netfilter: nf_conntrack: destroy stale expectfn expectations on unregister
CVE-2026-53346 rust: arm64: set uwtable llvm module flag for CONFIG_UNWIND_TABLES
CVE-2026-53347 drm/virtio: Fix driver removal with disabled KMS
CVE-2026-53344 pinctrl: mcp23s08: Initialize mcp->dev and mcp->addr before regmap init
CVE-2026-53345 KVM: Don't WARN if memory is dirtied without a vCPU when the VM is dying
CVE-2026-53343 ARM: 9475/1: entry: use byte load for KASAN VMAP stack shadow
CVE-2026-53327 debugobjects: Do not fill_pool() if pi_blocked_on
CVE-2026-53340 i2c: imx: fix clock and pinctrl state inconsistency in runtime PM
CVE-2026-53339 i2c: qcom-cci: Fix NULL pointer dereference in cci_remove()

Showing top 20 of 31 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2026-53336

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