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CVE-2026-97528— scsi: qla2xxx: Unlink NVMe unsol ctx before freeing on LS reject error

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： scsi: qla2xxx：在 LS 拒绝错误时，释放 uctx 前应先将其从列表中移除 qla_nvme_xmt_ls_rsp() 函数获取了 uctx，该结构体由 qla2xxx_process_purls_iocb() 函数链接到 fcport->unsol_ctx_head 中。当 NVMe 传输层回调以发送 LS 响应时，uctx 仍处于链表中。在出错路径（out:）上，该函数使用 kfree() 释放了 uctx，但从未将其从列表中移除。这导致 fcport->

CVSS 8.8 · High EPSS 0.32% · P22

Possible ATT&CK Techniques 1 AI

T1068 · Exploitation for Privilege Escalation

Affected Version Matrix 8

VendorProduct Version RangeStatus
Linux Linux 875386b98857822b77ac7f95bdf367b70af5b78c< a95fc5f1c12bba1dbff72bd2611e7fad0758831b affected
875386b98857822b77ac7f95bdf367b70af5b78c< c55d649a6cc246c3ccd5d118faea230c46b60f35 affected
875386b98857822b77ac7f95bdf367b70af5b78c< e46160a5d4fa59bf4d5f3412b6b5cb79edb967dd affected
6.6 affected
< 6.6 unaffected
6.18.53≤ 6.18.* unaffected
7.2.7≤ 7.2.* unaffected
7.3-rc1≤ * unaffected
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I. Basic Information for CVE-2026-97528

Vulnerability Information
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Vulnerability Title
scsi: qla2xxx: Unlink NVMe unsol ctx before freeing on LS reject error
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: scsi: qla2xxx: Unlink NVMe unsol ctx before freeing on LS reject error qla_nvme_xmt_ls_rsp() obtains uctx, which was linked into fcport->unsol_ctx_head by qla2xxx_process_purls_iocb() and is still linked when the NVMe transport calls back to transmit the LS response. On the error (out:) path the function frees uctx with kfree() but never removes it from the list. This leaves a freed node in fcport->unsol_ctx_head: the next list_add_tail() for that fcport writes through the freed node, and a subsequent list_del() can corrupt the list or panic. Unlink uctx with list_del() before kfree() on the error path, matching the other free sites in qla_nvme_release_lsrsp_cmd_kref() and qla2xxx_process_purls_pkt(). qla2x00_rel_sp() in the failure path only returns the SRB to its pool and does not invoke sp->put_fn, so the out: path is the sole free and uctx is always still linked there.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:A/AC:L/PR:N/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 875386b98857822b77ac7f95bdf367b70af5b78c ~ a95fc5f1c12bba1dbff72bd2611e7fad0758831b -
Linux Linux 6.6 -

II. Public POCs for CVE-2026-97528

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III. Intelligence Information for CVE-2026-97528

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Patches & Fixes for CVE-2026-97528 (3)

Same Patch Batch · Linux · 2026-09-25 · 372 CVEs total

CVE-2026-100075 9.8 CRITICAL RDMA/srpt: Fix srpt_alloc_rw_ctxs() unwind counters
CVE-2026-97957 8.8 HIGH net: hinic: fix mailbox segment buffer overflow
CVE-2026-97527 8.8 HIGH scsi: qla2xxx: Serialize NVMe unsol ctx list with a per-fcport lock
CVE-2026-97555 8.8 HIGH smb: client: fix heap overflow in DACL owner/group rewrite
CVE-2026-98115 8.8 HIGH ksmbd: safely drain sessions during logoff
CVE-2026-97525 8.2 HIGH x86/mm/pat: Allocate split page tables as kernel page tables
CVE-2026-97573 8.1 HIGH bnxt_en: Handle buffer allocation failure in bnxt_rx_ring_reset()
CVE-2026-97570 8.1 HIGH bnxt_en: Bound SW TPA IDs to prevent crashes
CVE-2026-98070 8.1 HIGH net/rds: acquire RDS_IN_XMIT in rds_tcp_reset_callbacks()
CVE-2026-98069 8.1 HIGH net/rds: acquire the fastpath locks in rds_conn_shutdown()
CVE-2026-98130 8.1 HIGH sctp: fix a TOCTOU race in SCTP_CMD_TIMER_START
CVE-2026-97578 7.8 HIGH media: verisilicon: rockchip: guard VPU981 AV1 divisor and tile buffer
CVE-2026-97548 7.8 HIGH xfs: fix the rtrmap and rtrefcount _maxlevels_ondisk functions
CVE-2026-98052 7.8 HIGH net: bcmasp: clear txcb->last before writing each descriptor
CVE-2026-97611 7.8 HIGH net: openvswitch: fix use-after-free of the flow table mask array
CVE-2026-97612 7.8 HIGH net: mpls: clear inner_protocol when the last label is popped
CVE-2026-98073 7.8 HIGH net: Remove conflicting altnames for dying netns in __dev_change_net_namespace().
CVE-2026-97602 7.8 HIGH inet: frags: invalidate queues before flushing them
CVE-2026-98112 7.8 HIGH ksmbd: fix listener task lifetime on netdev events
CVE-2026-97579 7.8 HIGH media: mediatek: vcodec: bound AV1 tile-start copy to the array capacity

Showing top 20 of 372 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2026-97528

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