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2263 articles · 104394 vulns · 38/41 feeds (7d)
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CVE-2026-23473PATCHED
linux · linux kernel

io_uring/poll: fix multishot recv missing EOF on wakeup race

Description

A vulnerability categorized as critical has been discovered in Linux Kernel up to 6.18.19/6.19.9/7.0-rc4. This vulnerability affects the function shutdown. Such manipulation leads to state issue. This vulnerability is referenced as CVE-2026-23473.

Affected Products

VendorProductVersions
linuxlinux kerneldbc2564cfe0faff439dc46adb8c009589054ea46, dbc2564cfe0faff439dc46adb8c009589054ea46, dbc2564cfe0faff439dc46adb8c009589054ea46, 5.19, 6.18.19, 6.19.9, 7.0-rc4

References

  • https://git.kernel.org/stable/c/0f4ce79b8db7b040373fc664c8bc6c5fd74bd196
  • https://git.kernel.org/stable/c/bf33554b6abf7e7faeadd8af1b82037ea755a6bb
  • https://git.kernel.org/stable/c/a68ed2df72131447d131531a08fe4dfcf4fa4653

Related News (3 articles)

Tier A
Microsoft MSRC1d ago
CVE-2026-23473 io_uring/poll: fix multishot recv missing EOF on wakeup race
→ No new info (linked only)
Tier C
VulDB2d ago
CVE-2026-23473 | Linux Kernel up to 6.18.19/6.19.9/7.0-rc4 shutdown state issue
→ No new info (linked only)
Tier C
Linux Kernel CVEs2d ago
CVE-2026-23473: io_uring/poll: fix multishot recv missing EOF on wakeup race
→ No new info (linked only)
CISA KEV❌ No
Actively exploited❌ No
Patch available
0f4ce79b8db7b040373fc664c8bc6c5fd74bd196bf33554b6abf7e7faeadd8af1b82037ea755a6bba68ed2df72131447d131531a08fe4dfcf4fa465306.18.206.19.107.0-rc5
PublishedApr 3, 2026
Last enriched2d agov2
Trending Score40
Source articles3
Independent3
Info Completeness7/14
Missing: cvss, epss, cwe, kev, exploit, iocs, mitre_attack

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Related CVEs (5)

CRITICALCVE-2026-23444EXP
wifi: mac80211: always free skb on ieee80211_tx_prepare_skb() failure
Trending: 55
NONECVE-2026-31410EXP
ksmbd: use volume UUID in FS_OBJECT_ID_INFORMATION
Trending: 50
NONECVE-2026-23472EXP
serial: core: fix infinite loop in handle_tx() for PORT_UNKNOWN
Trending: 47
CRITICALCVE-2026-23442
ipv6: add NULL checks for idev in SRv6 paths
Trending: 40
CRITICALCVE-2026-23443EXP
ACPI: processor: Fix previous acpi_processor_errata_piix4() fix
Trending: 39

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Verification

State: unverified
Confidence: 0%

Vulnerability Timeline

CVE Published
Apr 3, 2026
Patch Available
Apr 3, 2026
Discovered by ZDM
Apr 3, 2026
Updated: description, severity, affectedVersions
Apr 3, 2026

Version History

v2
Last enriched 2d ago
v2Tier C2d ago

Updated severity to CRITICAL, added new affected versions, and provided a new description with CVE-2026-23473.

descriptionseverityaffectedVersions
via VulDB
v12d ago

Initial creation