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CVE-2026-74526— scsi: mpi3mr: Fix potential deadlock in mpi3mr_fault_uevent_emit

AI Predicted 5.3 Difficulty: Moderate EPSS 0.15% · P5

Affected Version Matrix 6

VendorProductVersion RangeStatus
LinuxLinuxec54b348f274fdd2bd32bbe74de6d62ae1a10a18< df817b19dac7034416d18f14347010b3e9f5cf3daffected
ec54b348f274fdd2bd32bbe74de6d62ae1a10a18< ccff8c92571500fcfed21281e33daaf645bf692faffected
7.0affected
< 7.0unaffected
7.1.8≤ 7.1.*unaffected
7.2≤ *unaffected
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I. Basic Information for CVE-2026-74526

Vulnerability Information
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Vulnerability Title
scsi: mpi3mr: Fix potential deadlock in mpi3mr_fault_uevent_emit
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: scsi: mpi3mr: Fix potential deadlock in mpi3mr_fault_uevent_emit mpi3mr_fault_uevent_emit() runs from the fault watchdog and reset paths where host I/O may already be blocked. GFP_KERNEL allocations here, both the local kzalloc_obj() and the ones inside kobject_uevent_env() itself, can trigger reclaim that waits on that blocked I/O and deadlock. Use memalloc_noio_save()/restore() to cover the whole call instead of just the local allocation.
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

VendorProductAffected VersionsCPESubscribe
LinuxLinux ec54b348f274fdd2bd32bbe74de6d62ae1a10a18 ~ df817b19dac7034416d18f14347010b3e9f5cf3d -
LinuxLinux 7.0 -

II. Public POCs for CVE-2026-74526

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III. Intelligence Information for CVE-2026-74526

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Patches & Fixes for CVE-2026-74526 (1)

Same Patch Batch · Linux · 2026-08-15 · 846 CVEs total

CVE-2026-7447510.0 CRITICALvxlan: use neigh_ha_snapshot() in route_shortcircuit()
CVE-2026-7242110.0 CRITICALipv4: fib: Don't ignore error route in local/main tables.
CVE-2026-7427910.0 CRITICALcrypto: cavium/cpt - fix DMA cleanup using wrong loop index
CVE-2026-7428010.0 CRITICALcrypto: marvell/octeontx - fix DMA cleanup using wrong loop index
CVE-2026-7430910.0 CRITICALvdpa/octeon_ep: fix IRQ-to-ring mapping in interrupt handler
CVE-2026-7240810.0 CRITICALgeneve: gate GRO hint in geneve_gro_complete() on gs->gro_hint
CVE-2026-7240710.0 CRITICALgeneve: validate inner network offset in geneve_gro_complete()
CVE-2026-724939.9 CRITICALnet: serialize netif_running() check in enqueue_to_backlog()
CVE-2026-744339.8 CRITICALrxrpc: Fix UAF in rxgk_issue_challenge()
CVE-2026-722089.8 CRITICALntfs: add bounds check before accessing EA entries
CVE-2026-720659.8 CRITICALnet: mana: Validate the packet length reported by the NIC
CVE-2026-720649.8 CRITICALnet: mana: Sync page pool RX frags for CPU
CVE-2026-723179.8 CRITICALSUNRPC: pin upper rpc_clnt across the TLS connect_worker
CVE-2026-744279.8 CRITICALafs: Fix netns teardown to cancel the preallocation charger
CVE-2026-721379.8 CRITICALxfrm: nat_keepalive: avoid double free on send error
CVE-2026-724299.8 CRITICALipv6: ioam: fix type confusion of dst_entry
CVE-2026-744289.8 CRITICALrxrpc: Fix double unlock in rxrpc_recvmsg()
CVE-2026-721399.8 CRITICALtcp: defer md5sig_info kfree past RCU grace period in tcp_connect
CVE-2026-724369.8 CRITICALnetfilter: ipset: Don't use test_bit() in lockless RCU readers in hash types
CVE-2026-720469.8 CRITICALgve: fix header buffer corruption with header-split and HW-GRO

Showing top 20 of 846 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2026-74526

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