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CVE-2026-64237— Input: elan_i2c - validate firmware size before use

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 4.0版本存在安全漏洞，该漏洞源于未验证固件文件大小，可能导致越界读取。

AI Predicted 5.5 Difficulty: Hard EPSS 0.12% · P2

Possible ATT&CK Techniques 1 AI

T1206

Affected Version Matrix 18

VendorProduct Version RangeStatus
Linux Linux bb03bf3f8427a38112819061fc8688999ba02f67< 47b52b98edfe34d0249e72f815215ef24311c3a3 affected
bb03bf3f8427a38112819061fc8688999ba02f67< c2c3b33b3c0bf2c9427c0926817ef5ffac50de6f affected
bb03bf3f8427a38112819061fc8688999ba02f67< 331d49b4e1c9efe4479bbd22922dfcdd8c64be7b affected
bb03bf3f8427a38112819061fc8688999ba02f67< 48b0aa9c08a3ac8e0c0345b7ca581f552324e460 affected
bb03bf3f8427a38112819061fc8688999ba02f67< 3b37190ad3ded3a15fb1dbfc4f26df520a3e59bb affected
bb03bf3f8427a38112819061fc8688999ba02f67< bf769358419e00344c1b16fa034d058f563d46a1 affected
bb03bf3f8427a38112819061fc8688999ba02f67< d97baee9590edf303b3eca432e61de9320834fe1 affected
bb03bf3f8427a38112819061fc8688999ba02f67< 76b0d0baa9ae9c60e726bbe1b6ff0bec2c993634 affected
… +10 more rows
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I. Basic Information for CVE-2026-64237

Vulnerability Information
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Vulnerability Title
Input: elan_i2c - validate firmware size before use
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: Input: elan_i2c - validate firmware size before use Ensure that the firmware file is large enough to contain the expected number of pages and the signature (which resides at the end of the firmware blob) before accessing them to prevent potential out-of-bounds reads.
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 4.0版本存在安全漏洞，该漏洞源于未验证固件文件大小，可能导致越界读取。
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 bb03bf3f8427a38112819061fc8688999ba02f67 ~ 47b52b98edfe34d0249e72f815215ef24311c3a3 -
Linux Linux 4.0 -

II. Public POCs for CVE-2026-64237

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III. Intelligence Information for CVE-2026-64237

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Patches & Fixes for CVE-2026-64237 (8)

Same Patch Batch · Linux · 2026-07-24 · 48 CVEs total

CVE-2026-64216 9.8 CRITICAL netfs: Fix potential UAF in netfs_unlock_abandoned_read_pages()
CVE-2026-64232 9.8 CRITICAL block: recompute nr_integrity_segments in blk_insert_cloned_request
CVE-2026-64255 8.8 HIGH wifi: iwlwifi: mld: validate sta_mask before ffs() in BA session handlers
CVE-2026-64247 8.4 HIGH KVM: x86: hyper-v: Bound the bank index when querying sparse banks
CVE-2026-64223 8.1 HIGH wifi: mac80211: consume only present negotiated TTLM maps
CVE-2026-64235 8.1 HIGH x86/ftrace: Relocate %rip-relative percpu refs in dynamic trampolines
CVE-2026-64218 7.8 HIGH batman-adv: bla: fix report_work leak on backbone_gw purge
CVE-2026-64226 7.8 HIGH sched_ext: Avoid UAF in scx_root_enable_workfn() init failure path
CVE-2026-64251 7.8 HIGH pwrseq: core: fix use-after-free in pwrseq_debugfs_seq_next()
CVE-2026-64221 7.8 HIGH spi: ti-qspi: fix use-after-free after DMA setup failure
CVE-2026-64217 7.8 HIGH netfs: Fix overrun check in netfs_extract_user_iter()
CVE-2026-64208 7.5 HIGH crypto/krb5, rxrpc: Fix lack of pre-decrypt/pre-verify length checks
CVE-2026-64210 7.5 HIGH net/mlx5e: xsk: Fix unlocked writing to ICOSQ
CVE-2026-64243 7.1 HIGH ASoC: codecs: simple-mux: Fix enum control bounds check
CVE-2026-64219 7.0 HIGH drm/amd/display: Validate payload length and link_index in dc_process_dmub_aux_transfer_as
CVE-2026-64222 7.0 HIGH octeontx2-pf: avoid double free of pool->stack on AQ init failure
CVE-2026-64211 srcu: Don't queue workqueue handlers to never-online CPUs
CVE-2026-64212 wifi: iwlwifi: mld: don't dereference a pointer before NULL checking it
CVE-2026-64209 phy: qcom: qmp-usbc: Fix out-of-bounds array access in dp swing config
CVE-2026-64227 ACPI: driver: Check ACPI_COMPANION() against NULL during probe

Showing top 20 of 48 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2026-64237

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