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CVE-2026-80649— firmware: arm_scmi: Fix OOB in scmi_power_name_get()

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，已修复以下漏洞： 固件：arm_scmi：修复 scmi_power_name_get() 中的越界访问（OOB） 未验证由外部调用者传入的域编号（domain number），这可能导致越界访问。 通过对于无效域返回 “unknown” 来修复此问题，与 的做法保持一致。

CVSS 7.8 · High EPSS 0.17% · P7

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 16

VendorProduct Version RangeStatus
Linux Linux 76a6550990e296a7acbb4d33201c9740be912a8c< 01613f5e4ff6c080260615392338e92e261d109b affected
76a6550990e296a7acbb4d33201c9740be912a8c< ca94597440fa546e56293abe9d0af6c73535d44e affected
76a6550990e296a7acbb4d33201c9740be912a8c< 30aa348494531adfb043b2e883afc0439e5fcdca affected
76a6550990e296a7acbb4d33201c9740be912a8c< 0db2bb3c948ef8b7364768554d6ab5e1544dc441 affected
76a6550990e296a7acbb4d33201c9740be912a8c< 11daac2817dca75e3eabb2050bc620c29e686fcd affected
76a6550990e296a7acbb4d33201c9740be912a8c< 11bb771f3c55b4cef3879e69da4ddecd6085569c affected
76a6550990e296a7acbb4d33201c9740be912a8c< f9ef3f66f4b18078e464b7606f9497e4dbeb9905 affected
4.17 affected
… +8 more rows
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I. Basic Information for CVE-2026-80649

Vulnerability Information
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Vulnerability Title
firmware: arm_scmi: Fix OOB in scmi_power_name_get()
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: firmware: arm_scmi: Fix OOB in scmi_power_name_get() scmi_power_name_get() does not validate the domain number passed by the external caller, which may lead to an out-of-bounds access. Fix this by returning "unknown" for invalid domains, like scmi_reset_name_get() does.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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 76a6550990e296a7acbb4d33201c9740be912a8c ~ 01613f5e4ff6c080260615392338e92e261d109b -
Linux Linux 4.17 -

II. Public POCs for CVE-2026-80649

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III. Intelligence Information for CVE-2026-80649

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Patches & Fixes for CVE-2026-80649 (7)

Same Patch Batch · Linux · 2026-08-28 · 135 CVEs total

CVE-2026-80634 9.8 CRITICAL netfilter: flowtable: avoid num_encaps underflow on bridge VLAN untag
CVE-2026-80694 9.8 CRITICAL net: ethernet: mtk_eth_soc: pass eth to mtk_handle_irq_rx in poll_controller
CVE-2026-80681 9.8 CRITICAL vxlan: re-fetch eth header after route_shortcircuit()
CVE-2026-80674 9.8 CRITICAL ntfs: validate resident attribute lists and harden the validator
CVE-2026-80673 9.8 CRITICAL ntfs: bound the look-ahead attribute-list entry in ntfs_external_attr_find()
CVE-2026-80668 9.8 CRITICAL netfilter: nf_conntrack_expect: use conntrack GC to reap expectations
CVE-2026-80630 9.8 CRITICAL net/sched: sch_fq_codel: Do not call qdisc_tree_reduce_backlog during peek before restorin
CVE-2026-80617 9.8 CRITICAL net: airoha: fix foe_check_time allocation size
CVE-2026-80612 9.8 CRITICAL net: lwtunnel: Drop skb metadata before LWT encapsulation
CVE-2026-80714 9.8 CRITICAL ipvs: do not propagate one-packet flag to synced conns
CVE-2026-80609 9.8 CRITICAL qede: fix out-of-bounds check for cqe->len_list[]
CVE-2026-80600 9.8 CRITICAL batman-adv: dat: acquire ARP hw source only after skb realloc
CVE-2026-80693 9.3 CRITICAL idpf: bound interrupt-vector register fill to the allocated array
CVE-2026-80684 9.3 CRITICAL KVM: s390: pci: Fix NULL dereference on AIBV allocation failure
CVE-2026-80671 9.3 CRITICAL perf sched: Fix register_pid() overflow, strcpy, and BUG_ON
CVE-2026-80603 9.1 CRITICAL netfilter: nf_conntrack_irc: fix parse_dcc() off-by-one OOB read
CVE-2026-80670 9.1 CRITICAL perf tools: Use perf_env__get_cpu_topology() in machine__resolve()
CVE-2026-80721 8.8 HIGH Bluetooth: ISO: ensure no dangling hcon references in iso_conn
CVE-2026-80722 8.8 HIGH wifi: mac80211: validate individual TWT params before driver setup
CVE-2026-80724 8.8 HIGH ptp: vmclock: prevent read-only mappings from becoming writable

Showing top 20 of 135 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2026-80649

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