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CVE-2026-90007— scsi: pm8001: Use rollback index when freeing MSI-X vectors

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： scsi: pm8001: 在释放 MSI-X 向量时回滚索引使用错误 函数在 调用失败时，会通过 回退（取消注册）先前已注册的 IRQ 处理程序。然而，其回滚循环中错误地使用了当前失败的索引 ，而不是已经成功注册的中断向量索引 。 这导致 接收到了错误的 IRQ/dev_id 组合，从而无法正确清理之前已安装的中断处理程序，造成资源泄漏或潜在的冲突。修复方法是在回滚循环中，对 和对应的 条目统一使用正确的索引 。

CVSS 7.8 · High EPSS 0.16% · P5

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service

Affected Version Matrix 18

VendorProduct Version RangeStatus
Linux Linux a76037ff3479ad333a2505061915f7a21e7f3fb6< f39e3ca1f688d7c08954a0794e9bf1e279c83b15 affected
a76037ff3479ad333a2505061915f7a21e7f3fb6< a980dec7c69990e4f119bcf6a2ea093d1c4975e8 affected
a76037ff3479ad333a2505061915f7a21e7f3fb6< 0205db768570f9a46b20912afa581a0c7a63d8b7 affected
a76037ff3479ad333a2505061915f7a21e7f3fb6< 2853ce9c88e0e6dd575f95f28b3a8c2b27164115 affected
a76037ff3479ad333a2505061915f7a21e7f3fb6< fb22a8d2f3ac6665cc8bee197096b6675cac1a9f affected
a76037ff3479ad333a2505061915f7a21e7f3fb6< dd817463c9b42a3a9e23d15b86c6c77a6cfb809d affected
a76037ff3479ad333a2505061915f7a21e7f3fb6< e20b16aa3b49f9db5510940740255a987e6f2a6f affected
a76037ff3479ad333a2505061915f7a21e7f3fb6< 3f92a64545165bdbb36dee8fa35626b295463313 affected
… +10 more rows
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I. Basic Information for CVE-2026-90007

Vulnerability Information
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Vulnerability Title
scsi: pm8001: Use rollback index when freeing MSI-X vectors
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: scsi: pm8001: Use rollback index when freeing MSI-X vectors pm8001_request_msix() unwinds previously registered handlers with free_irq() when request_irq() fails. The rollback loop uses the failing index i for every iteration instead of the already registered vector index j. That passes the wrong IRQ/dev_id pair to free_irq() and leaves the earlier handlers installed. Use j for both pci_irq_vector() and the matching irq_vector entry in the rollback loop.
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 a76037ff3479ad333a2505061915f7a21e7f3fb6 ~ f39e3ca1f688d7c08954a0794e9bf1e279c83b15 -
Linux Linux 4.11 -

II. Public POCs for CVE-2026-90007

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III. Intelligence Information for CVE-2026-90007

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Other References for CVE-2026-90007 (8)

Same Patch Batch · Linux · 2026-09-16 · 276 CVEs total

CVE-2026-90048 9.8 CRITICAL fs/ntfs3: fix slab-out-of-bounds write in ni_create_attr_list()
CVE-2026-90012 9.8 CRITICAL spi: Fix DMA mapping ownership on partial map failure
CVE-2026-89970 9.8 CRITICAL nvmet-auth: Synchronize timeout work during SQ teardown
CVE-2026-89857 9.8 CRITICAL scsi: qla2xxx: Hold qpair lock when sending NVMe LS reject
CVE-2026-89969 9.8 CRITICAL nvmet-tcp: fix out-of-bounds write when receiving an over-long PDU
CVE-2026-89847 9.8 CRITICAL scsi: qla2xxx: Avoid double completion in async IOCB timeout
CVE-2026-89972 9.8 CRITICAL nvme: add missing SRCU grace period in error path
CVE-2026-89990 9.8 CRITICAL ceph: lock mutex in ceph_mds_check_access()
CVE-2026-90036 9.8 CRITICAL NFSD: Prevent client use-after-free during blocked-lock reaping
CVE-2026-90038 9.8 CRITICAL NFSD: Prevent client use-after-free during export state revocation
CVE-2026-90037 9.8 CRITICAL NFSD: Prevent client use-after-free during close_lru reaping
CVE-2026-89788 9.8 CRITICAL ksmbd: fix tree connection use-after-free in smb2_tree_connect()
CVE-2026-89783 9.8 CRITICAL xfrm6: fix out-of-bounds write in xfrm6_input_addr() when secpath is full
CVE-2026-90042 9.8 CRITICAL ceph: properly decrypt filenames in vmalloc() buffers
CVE-2026-89778 9.8 CRITICAL isofs: fix out-of-bounds page array access on empty zisofs block
CVE-2026-89915 9.3 CRITICAL KVM: arm64: Remove VM-wide VNCR mapping counter
CVE-2026-90049 9.3 CRITICAL net: skbuff: don't skb_tx_error() the source skb in skb_zerocopy()
CVE-2026-89775 9.3 CRITICAL KVM: arm64: Handle negative S1 walk levels in VNCR TLB size evaluation
CVE-2026-89916 9.3 CRITICAL KVM: arm64: Make VNCR invalidation participate in MMU invalidation retry
CVE-2026-89930 9.3 CRITICAL KVM: nVMX: Service local TLB flushes on failed nested VM-Enter

Showing top 20 of 276 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

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