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In the Linux kernel, the following vulnerability has been resolved: rxrpc: Fix conn-level packet handling to unshare RESPONSE packets The security operations that verify the RESPONSE packets decrypt bits of it in place - however, the sk_buff may be shared with a packet sniffer, which would lead to the sniffer seeing an apparently corrupt packet (actually decrypted). Fix this by handing a copy of the packet off to the specific security handler if the packet was cloned.

CVE-2026-46000 addresses a logic flaw in the Linux kernel's RxRPC networking subsystem related to conn-level packet handling. The kernel's security operations decrypted RESPONSE packets in place on shared sk_buff structures, which could lead to packet sniffers observing corrupted or decrypted packets unexpectedly. This vulnerability is part of a group of flaws known as Dirty Frag, involving improper handling of shared page fragments during socket buffer operations. Local attackers could leverage this to escalate privileges or escape container environments. The issue has been fixed by ensuring that a copy of the packet is handed off to the security handler if the packet was cloned. The fix is included in Linux kernel versions 6.8.0-1057.60~22.04.1 and later, among others, as detailed in Ubuntu security advisories USN-8370-1 and USN-8371-1.

Detailed information about UBUNTU-CVE-2026-46000 affecting null linux. Get real-time updates, technical details, and mitigation strategies.

UBUNTU-CVE-2026-46000 - Live Threat Intelligence - Threat Radar | OffSeq.com

In the Linux kernel, the following vulnerability has been resolved: rxrpc: Fix conn-level packet handling to unshare RESPONSE packets The security… (CVE-2026-46000)

CVE-2026-46000 addresses a vulnerability in the rxrpc component related to connection-level packet handling, specifically the unsharing of RESPONSE packets. The available information is limited and does not provide technical details beyond the title. There is no CVSS score or detailed impact description provided. No known exploits are reported in the wild. The affected products include Microsoft and Azure Linux 3.0 versions. No patch or remediation information is currently available.

This vulnerability concerns the rxrpc protocol implementation in Microsoft and Azure Linux 3.0, where connection-level packet handling for RESPONSE packets requires correction to properly unshare these packets. The exact nature of the flaw and its exploitation method are not detailed in the provided data. No CVSS score or vendor advisory with patch information is available at this time.

Detailed information about rxrpc: Fix conn-level packet handling to unshare RESPONSE packets affecting Microsoft Security Response Center Microsoft. Get real-ti

rxrpc: Fix conn-level packet handling to unshare RESPONSE packets - Live Threat Intelligence - Threat Radar | OffSeq.com

CVE-2026-46000 rxrpc: Fix conn-level packet handling to unshare RESPONSE packets - VEX

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rxrpc: Fix conn-level packet handling to unshare RESPONSE packets


In the Linux kernel, the following vulnerability has been resolved: rxrpc: Fix conn-level packet handling to unshare RESPONSE packets The security… (CVE-2026-46000)CVE-2026-46000 0 In the Linux kernel, the following vulnerability has been resolved: rxrpc: Fix conn-level packet handling to unshare RESPONSE packets The security operations that verify the RESPONSE packets decrypt bits of it in place - however, the sk_buff may be shared with a packet sniffer, which would lead to the sniffer seeing an apparently corrupt packet (actually decrypted). Fix this by handing a copy of the packet off to the specific security handler if the packet was cloned. MediumVulnerability#gcve #osv #ubuntu-cve-2026-46000 Join the discussion	GCVE Database	05/27/2026, 00:00:00 UTC Added: 07/18/2026, 11:18:44 UTC
rxrpc: Fix conn-level packet handling to unshare RESPONSE packetsCVE-2026-46000 0 CVE-2026-46000 addresses a vulnerability in the rxrpc component related to connection-level packet handling, specifically the unsharing of RESPONSE packets. The available information is limited and does not provide technical details beyond the title. There is no CVSS score or detailed impact description provided. No known exploits are reported in the wild. The affected products include Microsoft and Azure Linux 3.0 versions. No patch or remediation information is currently available. MediumVulnerability#gcve #csaf #cve-2026-46000 Join the discussion	GCVE Database	05/02/2026, 00:00:00 UTC Added: 05/28/2026, 20:54:13 UTC

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