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CVE-2026-99190— gpiolib: fix memory leak in gpiod_set_array_value_complex() on error paths

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，以下漏洞已被修复： gpiolib：修复 gpiod_set_array_value_complex() 在错误路径上的内存泄漏问题 Sashiko 在顺带审查中指出，当 gpiochip_set_multiple() 调用失败后，gpiod_set_array_value() 会立即返回，从而跳过了对可能已分配的位图的释放操作，导致潜在的内存泄漏。虽然这是一条不太可能触发的错误路径，但确实存在。 修复方法：将返回码检查推迟到 bitmap_free() 代码块之后执行。

AI Predicted 3.7 Difficulty: Hard

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 10

VendorProduct Version RangeStatus
Linux Linux 9b407312755fd5db012413ca005f0f3a661db8dd< 78189c0e35abbcdab3b8ab0b764d578c02900734 affected
9b407312755fd5db012413ca005f0f3a661db8dd< 890c3bf08e0fc09eff788a6cfeded7d21b4d3e9d affected
9b407312755fd5db012413ca005f0f3a661db8dd< c28846ca1ac6134881114d272314623c8433e372 affected
d73d2a569e6212f58d89efc6e66ffbb2386a47b1 affected
6.12.114< 6.13 affected
6.15 affected
< 6.15 unaffected
6.18.59≤ 6.18.* unaffected
… +2 more rows
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I. Basic Information for CVE-2026-99190

Vulnerability Information
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Vulnerability Title
gpiolib: fix memory leak in gpiod_set_array_value_complex() on error paths
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: gpiolib: fix memory leak in gpiod_set_array_value_complex() on error paths A drive-by review by Sashiko reports that, after a failed call to gpiochip_set_multiple(), gpiod_set_array_value() returns abruptly, bypassing the freeing of possibly alloced bitmaps, potentially leaking memory. It is an unlikely error path, but is possible. Defer the return code check until after the bitmap_free() block.
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 9b407312755fd5db012413ca005f0f3a661db8dd ~ 78189c0e35abbcdab3b8ab0b764d578c02900734 -
Linux Linux 6.15 -

II. Public POCs for CVE-2026-99190

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III. Intelligence Information for CVE-2026-99190

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Patches & Fixes for CVE-2026-99190 (3)

Same Patch Batch · Linux · 2026-10-28 · 117 CVEs total

CVE-2026-99143 tracing: Keep the predicate limit separate from program capacity
CVE-2026-99129 selinux: fix BPF token permission checks
CVE-2026-99130 io_uring/cancel: don't spin on local work the task can't run
CVE-2026-99131 xfs: fix capability check in xfs
CVE-2026-99133 net/iucv: fix the recvmsg window update
CVE-2026-99132 xfs: don't hold buffer locks across sync transaction commit in xfs_sync_sb_buf
CVE-2026-99134 mac802154: fix data race and NULL deref on local->assoc_dev
CVE-2026-99135 dm-integrity: fix infinite loop on discard with large tag size
CVE-2026-99137 cifs: don't update i_size in cifs_do_truncate without a cached handle
CVE-2026-99136 dm-crypt: fix a tiny race condition in crypt_dec_pending
CVE-2026-99138 tcp: fix use-after-free in do_tcp_getsockopt(TCP_CC_INFO)
CVE-2026-99140 tracing: Fix hist trigger timestamps for buffered events
CVE-2026-99139 tcp: fix use-after-free in do_tcp_getsockopt(TCP_CONGESTION)
CVE-2026-99141 tracing: Fix crash in print_graph_function_event()
CVE-2026-99142 tracing: Check operator stack capacity before pushing
CVE-2026-99154 scsi: libiscsi: Reject a negative task index from parse_pdu_itt
CVE-2026-99151 drm/amd/display: Fix NULL sink dereference in USB4 bandwidth functions
CVE-2026-99153 scsi: libiscsi: Validate the ITT reflected in a Reject PDU
CVE-2026-99152 scsi: libiscsi: Validate the task named by a management response
CVE-2026-99150 drm/amdgpu: don't drop the runtime PM reference twice in amdgpu_gpr

Showing top 20 of 117 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux