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CVE-2026-98652— KVM: s390: Add missing srcu in kvm_s390_set_irq_state()

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： KVM: s390：在 kvm_s390_set_irq_state() 中补充缺失的 srcu 与 kvm_s390_inject_vcpu() 类似，kvm_s390_set_irq_state() 在执行“存储状态”（Store status）操作时，同样需要持有 kvm->srcu 或 slots 锁。 修复方法：在 kvm_s390_set_irq_state() 中获取 kvm->srcu。

AI Predicted 7.8 Difficulty: Moderate

Possible ATT&CK Techniques 1 AI

T1068 · Exploitation for Privilege Escalation
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I. Basic Information for CVE-2026-98652

Vulnerability Information
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Vulnerability Title
KVM: s390: Add missing srcu in kvm_s390_set_irq_state()
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: KVM: s390: Add missing srcu in kvm_s390_set_irq_state() Like kvm_s390_inject_vcpu(), kvm_s390_set_irq_state() also needs the kvm->srcu or the slots lock when performing the Store status operation. Fix by taking kvm->srcu in kvm_s390_set_irq_state().
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 ba5c1e9b6ceebdc39343cc03eb39f077abd3c571 ~ 7a33007b95c8908ae3980eb2b4c508f8936766df -
Linux Linux 2.6.26 -

II. Public POCs for CVE-2026-98652

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III. Intelligence Information for CVE-2026-98652

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Other References for CVE-2026-98652 (2)

Same Patch Batch · Linux · 2026-10-18 · 436 CVEs total

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CVE-2026-98572 bpf: Fix immediate JMP JEQ/JNE on MIPS32
CVE-2026-98573 net: skbuff: fix pull-bound underflow in skb_checksum_setup_ipv6()
CVE-2026-98574 net: bcmgenet: stop Tx NAPI before disabling the queues
CVE-2026-98575 nfc: pn533: fix OOB read in pn533_acr122_is_rx_frame_valid()
CVE-2026-98576 nfc: llcp: fix slab-out-of-bounds reads when logging service names
CVE-2026-98577 nfc: llcp: fix WKS SAP hijacking via prefix match in nfc_llcp_wks_sap()
CVE-2026-98578 nfc: st21nfca: validate ISO15693 inventory length
CVE-2026-98579 nfc: llcp: fix sdreq TLV list leak on parse/alloc/send failure
CVE-2026-98580 nfc: llcp: Fix race condition in accept_queue lifecycle
CVE-2026-98581 nfc: llcp: Fix list corruption / refcount desync in nfc_llcp_recv_dm()
CVE-2026-98593 s390/debug: Fix NULL pointer dereference in debug_info_copy()
CVE-2026-98590 bpf: Fix bpf_sock context code generation
CVE-2026-98591 bpf: Fix bounds check for skb-backed dynptrs
CVE-2026-98592 net: spacemit: clear TX descriptor on fragment mapping failure
CVE-2026-98589 bpf: Reject pkt arguments in mutating subprogs
CVE-2026-98594 tg3: clean up PHYLIB resources on probe failure

Showing top 20 of 436 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

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