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CVE-2026-63980

🗓️ 21 Jul 2026 23:25:26Reported by redhat.comType 
redhatcve
 redhatcve
🔗 access.redhat.com👁 6 Views

Linux kernel handshake deadlock from spin_lock vs spin_lock_bh, causing denial of service.

Related
Refs
ReporterTitlePublishedViews
Family
CVE
CVE-2026-63980
19 Jul 202614:56
cve
Cvelist
CVE-2026-63980 net/handshake: Use spin_lock_bh for hn_lock
19 Jul 202614:56
cvelist
Debian CVE
CVE-2026-63980
19 Jul 202614:56
debiancve
EUVD
EUVD-2026-45753
19 Jul 202614:56
euvd
NVD
CVE-2026-63980
19 Jul 202616:17
nvd
OSV
BELL-CVE-2026-63980
22 Jul 202606:04
osv
OSV
CVE-2026-63980 net/handshake: Use spin_lock_bh for hn_lock
19 Jul 202614:56
osv
OSV
DEBIAN-CVE-2026-63980
19 Jul 202616:17
osv
OSV
UBUNTU-CVE-2026-63980
20 Jul 202600:00
osv
Positive Technologies
PT-2026-61297
19 Jul 202600:00
ptsecurity
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21 Jul 2026 23:30Current
5.4Medium risk
Vulners AI Score5.4
CVSS 3.15.5 - 7.5
EPSS0.00446
6