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CVE-2026-99162— gpio: shared: fix use-after-free bug when adding shared proxies

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： gpio: shared：修复在添加共享代理时出现的释放后使用（use-after-free）漏洞 GPIO 查找表的存活时间可能长于我们将其名称字符串地址赋值给的 kobject。通过复制该字符串，修复了潜在的释放后使用漏洞。

AI Predicted 8.8 Difficulty: Hard EPSS 0.16% · P5 Updated Oct 28, 2026

Possible ATT&CK Techniques 1 AI

T1068 · Exploitation for Privilege Escalation

Affected Version Matrix 6

Vendor	Product	Version Range	Status
Linux	Linux	`a060b8c511abb0997381b397e52149a5e3e5259a< 8861491f8501516429e0e6c9d7a056480047227c`	affected
		`a060b8c511abb0997381b397e52149a5e3e5259a< bd22f7e63509fa758cf500d9af3e88a3d3df96be`	affected
		`6.19`	affected
		`< 6.19`	unaffected
		`7.2.13≤ 7.2.*`	unaffected
		`7.3≤ *`	unaffected

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Vulnerability Information

Have questions about the vulnerability? See if Shenlong's analysis helps!

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Vulnerability Title

gpio: shared: fix use-after-free bug when adding shared proxies

Source: CVE Program / CVE List V5

Vulnerability Description

In the Linux kernel, the following vulnerability has been resolved: gpio: shared: fix use-after-free bug when adding shared proxies The GPIO lookup table can stay alive for longer than the kobject whose name string's address we're assigning to lookup->dev_id. Fix a potential UAF by duplicating the string.

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	a060b8c511abb0997381b397e52149a5e3e5259a ~ 8861491f8501516429e0e6c9d7a056480047227c	-
Linux	Linux	6.19	-

II. Public POCs for CVE-2026-99162

#	POC Description	Source Link	Shenlong Link

AI-Generated POC Premium

No public POC found.

III. Intelligence Information for CVE-2026-99162

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Patches & Fixes for CVE-2026-99162 (2)

https://www.cve.org/CVERecord?id=CVE-2026-99162

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 → →

IV. Related Vulnerabilities

Same product: Linux

Same vendor: Linux