CVE-2026-98430— RDMA/efa: Keep admin queues alive while IRQ is registered
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.
In the Linux kernel, the following vulnerability has been resolved: RDMA/efa: Keep admin queues alive while IRQ is registered The management IRQ handler accesses both the admin completion queue and the async event queue. The driver registered the IRQ before co
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I. Basic Information for CVE-2026-98430
Vulnerability Information
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Vulnerability Title
RDMA/efa: Keep admin queues alive while IRQ is registered
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved:
RDMA/efa: Keep admin queues alive while IRQ is registered
The management IRQ handler accesses both the admin completion queue and the
async event queue. The driver registered the IRQ before constructing these
queues and destroyed them before freeing the IRQ, so the handler's lifetime
was not contained by the resources it accesses.
Initialize the queues with interrupts masked, request the IRQ, and then
switch to interrupt mode. On removal, reset the device and free the IRQ
before destroying the queues. Also reset the device before destroying the
queues if IRQ registration fails, because the device already has their DMA
addresses.
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
II. Public POCs for CVE-2026-98430
| # | POC Description | Source Link | Shenlong Link |
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Other References for CVE-2026-98430 (6)
Same Patch Batch · Linux · 2026-10-14 · 46 CVEs total
| CVE-2026-98398 | locking/lockdep: Invalidate stale class_cache entries for zapped classes | |
| CVE-2026-98396 | powerpc: Do not restore KUAP in arch_exit_to_user_mode_prepare() | |
| CVE-2026-98393 | net: ipv4: Fix UDP length overflow with PMTU discover and big MTU | |
| CVE-2026-98391 | drm/xe: Guard page-fault worker with runtime PM check | |
| CVE-2026-98389 | drm/amdgpu: skip gfx switch_power_profile during GPU reset | |
| CVE-2026-98388 | exec: do_close_on_exec() before taking exec_update_lock | |
| CVE-2026-98387 | s390/crypto: Fix skcipher_walk return code handling in aes_s390 | |
| CVE-2026-98386 | scsi: qla2xxx: Use memset_io() to clear QLAFX00 request ring slot | |
| CVE-2026-98390 | x86/amd_node: Avoid divide by zero on virtualized systems | |
| CVE-2026-98397 | platform/x86: x86-android-tablets: hold device reference for secondary fwnode teardown | |
| CVE-2026-98395 | powerpc/entry: Fix irq_soft_mask corruption on replayed interrupt exit | |
| CVE-2026-98399 | s390/ipl: Fix NULL deref in dump_reipl without re-IPL parm block | |
| CVE-2026-98400 | s390/ipl: Fix NULL deref in kdump without re-IPL parm block | |
| CVE-2026-98402 | net: icmp: avoid invalid transport header access in icmp_send tracepoint | |
| CVE-2026-98401 | net: iptunnel: fix stale transport header during tunnel decapsulation | |
| CVE-2026-98403 | s390/boot: Avoid IPL parameter append past command line | |
| CVE-2026-98404 | drm/virtio: Fix a NULL vs ERR_PTR() bug in virtio_gpu_user_framebuffer_create() | |
| CVE-2026-98405 | smb: client: fix missing iov bounds check in parse_posix_sids() | |
| CVE-2026-98406 | wifi: mac80211: avoid WARN in set_bitrate_mask when sdata not in driver | |
| CVE-2026-98408 | watchdog: rzv2h: Avoid division by zero |
Showing top 20 of 46 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same product: Linux
-
CVE-2026-98431
RDMA/uverbs: Fix mmap_lock/disassociation_lock circular depe -
CVE-2026-98429
RDMA/efa: Keep EQ resources alive while IRQ is registered -
CVE-2026-98427
net/sched: codel: bound the dropping loop per dequeue call -
CVE-2026-98428
ALSA: usb: 6fire: Avoid embedded URBs -
CVE-2026-98425
wifi: mac80211: don't warn when an IBSS has no channel to sc
Same vendor: Linux
-
CVE-2026-98431
RDMA/uverbs: Fix mmap_lock/disassociation_lock circular depe -
CVE-2026-98429
RDMA/efa: Keep EQ resources alive while IRQ is registered -
CVE-2026-98427
net/sched: codel: bound the dropping loop per dequeue call -
CVE-2026-98428
ALSA: usb: 6fire: Avoid embedded URBs -
CVE-2026-98425
wifi: mac80211: don't warn when an IBSS has no channel to sc
V. Comments for CVE-2026-98430
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