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EUVD-2026-62244

🗓️ 19 Aug 2026 05:28:32Reported by EUVDType 
euvd
 euvd
🔗 euvd.enisa.europa.eu👁 20 Views

RACK setsockopt lock-drop race in TCP stack causes use-after-free exploitable for local privilege escalation.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
freebsd
FreeBSD
FreeBSD -- Use-after-free in TCP RACK stack option handler
30 Jun 202600:00
–freebsd
bdu_fstec
BDU FSTEC
FreeBSD tcp_rack.ko Privilege Escalation
10 Aug 202600:00
–bdu_fstec
circl
Circl
CVE-2026-49422
6 Jul 202601:35
–circl
cve
CVE
CVE-2026-49422
19 Aug 202605:28
–cve
cvelist
Cvelist
CVE-2026-49422 Use-after-free in TCP RACK stack option handler
19 Aug 202605:28
–cvelist
freebsd_advisory
FreeBSD Advisory
FreeBSD-SA-26:43.tcp
30 Jun 202600:00
–freebsd_advisory
nessus
Tenable Nessus
FreeBSD : FreeBSD -- Use-after-free in TCP RACK stack option handler (6c547c1b-74e2-11f1-958d-bc241121aa0a)
1 Jul 202600:00
–nessus
mend
Mend
CVE-2026-49422
19 Aug 202605:28
–mend
nvd
NVD
CVE-2026-49422
19 Aug 202606:17
–nvd
packetstormnews
Packet Storm News
FreeBSD Security Advisory - FreeBSD-SA-26:43.tcp
30 Jun 202600:00
–packetstormnews
Rows per page
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19 Aug 2026 12:10Current
7.1High risk
Vulners AI Score7.1
CVSS 3.18.4
EPSS0.00168
20