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CVE-2026-64459

🗓️ 25 Jul 2026 10:17:00Reported by ubuntu.comType 
ubuntucve
 ubuntucve
🔗 ubuntu.com👁 3 Views

Linux kernel TCP-AO use-after-free in tcp_ao_destroy_sock allows privilege escalation via forged segments.

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Refs
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attackerkb
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25 Jul 202608:51
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Amazon Linux 2023 : bpftool6.18, kernel6.18, kernel6.18-devel (ALAS2023-2026-2045)
18 Aug 202600:00
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25 Jul 202600:00
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circl
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CVE-2026-64459
27 Jul 202606:24
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25 Jul 202608:51
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cvelist
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CVE-2026-64459 tcp: restore RCU grace period in tcp_ao_destroy_sock
25 Jul 202608:51
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debiancve
Debian CVE
CVE-2026-64459
25 Jul 202608:51
debiancve
euvd
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EUVD-2026-48803
25 Jul 202608:51
euvd
nvd
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25 Jul 202610:17
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osv
OSV
BELL-CVE-2026-64459
29 Jul 202606:06
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OSOS VersionArchitecturePackagePackage VersionFilename
Ubuntu26.04alllinux0linux_0_all.deb
Ubuntu24.04alllinux-hwe-7.00linux-hwe-7.0_0_all.deb
Ubuntu26.04alllinux-aws0linux-aws_0_all.deb
Ubuntu26.04alllinux-azure0linux-azure_0_all.deb
Ubuntu26.04alllinux-azure-fde0linux-azure-fde_0_all.deb
Ubuntu26.04alllinux-gcp0linux-gcp_0_all.deb
Ubuntu26.04alllinux-gke0linux-gke_0_all.deb
Ubuntu26.04alllinux-ibm0linux-ibm_0_all.deb
Ubuntu26.04alllinux-nvidia0linux-nvidia_0_all.deb
Ubuntu24.04alllinux-nvidia-7.00linux-nvidia-7.0_0_all.deb
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18 Aug 2026 17:52Current
5.4Medium risk
Vulners AI Score5.4
CVSS 3.19.8
EPSS0.00475
3