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CVE-2026-23090— slimbus: core: fix device reference leak on report present

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基金会的开源操作系统Linux所使用的内核。 Linux kernel存在安全漏洞，该漏洞源于设备引用泄漏，可能导致资源耗尽。

AI Predicted 4.3 Difficulty: Hard EPSS 0.14% · P3

Possible ATT&CK Techniques 1 AI

T1205.001 · Port Knocking

Affected Version Matrix 16

VendorProduct Version RangeStatus
Linux Linux 46a2bb5a7f7ea2728be50f8f5b29a20267f700fe< b1217e40705b2f6d311c197b12866752656217ff affected
46a2bb5a7f7ea2728be50f8f5b29a20267f700fe< 948615429c9f2ac9d25d4e1f1a4472926b217a9a affected
46a2bb5a7f7ea2728be50f8f5b29a20267f700fe< 02b78bbfbafe49832e508079148cb87cdfa55825 affected
46a2bb5a7f7ea2728be50f8f5b29a20267f700fe< 2ddc09f6a0a221b1d91a7cbc8cc2cefdbd334fe6 affected
46a2bb5a7f7ea2728be50f8f5b29a20267f700fe< 54de72a7aabc0749938d7a2833a0c1a5d3ed7ac9 affected
46a2bb5a7f7ea2728be50f8f5b29a20267f700fe< 6602bb4d1338e92b5838e50322b87697bdbd2ee0 affected
46a2bb5a7f7ea2728be50f8f5b29a20267f700fe< 9391380eb91ea5ac792aae9273535c8da5b9aa01 affected
4.16 affected
… +8 more rows
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I. Basic Information for CVE-2026-23090

Vulnerability Information
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Vulnerability Title
slimbus: core: fix device reference leak on report present
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: slimbus: core: fix device reference leak on report present Slimbus devices can be allocated dynamically upon reception of report-present messages. Make sure to drop the reference taken when looking up already registered devices. Note that this requires taking an extra reference in case the device has not yet been registered and has to be allocated.
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基金会的开源操作系统Linux所使用的内核。 Linux kernel存在安全漏洞，该漏洞源于设备引用泄漏，可能导致资源耗尽。
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 46a2bb5a7f7ea2728be50f8f5b29a20267f700fe ~ b1217e40705b2f6d311c197b12866752656217ff -
Linux Linux 4.16 -

II. Public POCs for CVE-2026-23090

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III. Intelligence Information for CVE-2026-23090

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Same Patch Batch · Linux · 2026-02-04 · 79 CVEs total

CVE-2026-23098 8.8 HIGH netrom: fix double-free in nr_route_frame()
CVE-2026-23066 7.8 HIGH rxrpc: Fix recvmsg() unconditional requeue
CVE-2026-23074 7.8 HIGH net/sched: Enforce that teql can only be used as root qdisc
CVE-2026-23077 7.8 HIGH mm/vma: fix anon_vma UAF on mremap() faulted, unfaulted merge
CVE-2026-23105 7.8 HIGH net/sched: qfq: Use cl_is_active to determine whether class is active in qfq_rm_from_ag
CVE-2026-23103 7.8 HIGH ipvlan: Make the addrs_lock be per port
CVE-2026-23095 7.5 HIGH gue: Fix skb memleak with inner IP protocol 0.
CVE-2025-71192 7.0 HIGH ALSA: ac97: fix a double free in snd_ac97_controller_register()
CVE-2026-23065 platform/x86/amd: Fix memory leak in wbrf_record()
CVE-2026-23064 net/sched: act_ife: avoid possible NULL deref
CVE-2026-23067 iommu/io-pgtable-arm: fix size_t signedness bug in unmap path
CVE-2026-23059 scsi: qla2xxx: Sanitize payload size to prevent member overflow
CVE-2026-23042 idpf: fix aux device unplugging when rdma is not supported by vport
CVE-2026-23058 can: ems_usb: ems_usb_read_bulk_callback(): fix URB memory leak
CVE-2026-23057 vsock/virtio: Coalesce only linear skb
CVE-2026-23056 uacce: implement mremap in uacce_vm_ops to return -EPERM
CVE-2025-71199 iio: adc: at91-sama5d2_adc: Fix potential use-after-free in sama5d2_adc driver
CVE-2025-71198 iio: imu: st_lsm6dsx: fix iio_chan_spec for sensors without event detection
CVE-2025-71197 w1: therm: Fix off-by-one buffer overflow in alarms_store
CVE-2026-23060 crypto: authencesn - reject too-short AAD (assoclen<8) to match ESP/ESN spec

Showing top 20 of 79 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2026-23090

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