Linux Distros Unpatched Vulnerability : CVE-2026-80977

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - net: skbuff: don't touch shared zerocopy state in skbtxerror skbtxerror completes the zerocopy uarg and clears SKBFLALLZEROCOPY, and skbzcopydowngrademanaged...

CVE-2026-80977

CVE-2026-80977 affects the Linux kernel networking subsystem , specifically the skb_tx_error() function in the skbuff layer. When a cloned socket buffer is processed, skb_tx_error() prematurely clears shared zerocopy state (SKBFL_ALL_ZEROCOPY) and drops SKBFL_SHARED_FRAG while the original skb is...

Unbreakable Enterprise kernel security update

5.4.17-2136.359.3.1 - inet: frags: strip GSO state from fragments before reassembly Xinyang Ge Orabug: 39974845 CVE-2026-80590 5.4.17-2136.359.3 - Partial revert of 'x86/alternatives: Optimize optimizenops' Harshit Mogalapalli Orabug: 39866546 - Revert 'x86/alternatives: Add altinstr.flags' Harsh...

Oracle Linux 8 / 9 : Unbreakable Enterprise kernel (ELSA-2026-500249)

The remote Oracle Linux 8 / 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-500249 advisory. - inet: frags: strip GSO state from fragments before reassembly Xinyang Ge Orabug: 39974835 CVE-2026-80590 - KVM: x86/mmu: Stop needlessly making...

Unbreakable Enterprise kernel security update

5.15.0-324.217.5.2 - inet: frags: strip GSO state from fragments before reassembly Xinyang Ge Orabug: 39974835 CVE-2026-80590 5.15.0-324.217.5.1 - crypto: qat: restore misc workqueue lifecycle Manjunath Patil Orabug: 39937535 - LTS version: v5.15.217 Vijayendra Suman - ring-buffer: Use...

CVE-2026-80590

In the Linux kernel, the following vulnerability has been resolved: inet: frags: strip GSO state from fragments before reassembly A virtionethdr tun/tap, or AFPACKET with PACKETVNETHDR can mark an IPv4 or IPv6 fragment as GSO; nothing relates gsotype to fragoff...

PT-2026-82890

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists where a virtio net hdr used in tun/tap or AF PACKET with PACKET VNET HDR can incorrectly mark IPv4 or IPv6 fragments as Generic Segmentation Offload GSO. The functions in...

AZL-97830 CVE-2026-74747 affecting package kernel 6.6.150.1-1

In the Linux kernel, the following vulnerability has been resolved: ipvs: revalidate ihl to prevent out-of-bounds access While the outer IP header is already pulled into the skb head, we must be careful and revalidate the embedded headers after reading them from the skb frags to prevent...

UBUNTU-CVE-2026-74747

In the Linux kernel, the following vulnerability has been resolved: ipvs: revalidate ihl to prevent out-of-bounds access While the outer IP header is already pulled into the skb head, we must be careful and revalidate the embedded headers after reading them from the skb frags to prevent...

CVE-2026-74747 ipvs: revalidate ihl to prevent out-of-bounds access

In the Linux kernel, the following vulnerability has been resolved: ipvs: revalidate ihl to prevent out-of-bounds access While the outer IP header is already pulled into the skb head, we must be careful and revalidate the embedded headers after reading them from the skb frags to prevent...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15, Linux-6.1

In the Linux kernel, the following vulnerability has been resolved: net: prevented mss overflow in skbsegment Once again, syzbot is able to cause the kernel to crash in skbSegment. “GSOBYFRAGS” is a forbidden value, but unfortunately, the following calculation in skbSegment can easily result in...

CVE-2026-74662

In the Linux kernel, the following vulnerability has been resolved: inet: frags: publish queues before arming timer inetfragcreate arms the fragment queue timer before inserting the queue into the fqdir rhashtable. If the namespace fragment timeout is zero or negative, the timer can run before th...

UBUNTU-CVE-2026-74662

In the Linux kernel, the following vulnerability has been resolved: inet: frags: publish queues before arming timer inetfragcreate arms the fragment queue timer before inserting the queue into the fqdir rhashtable. If the namespace fragment timeout is zero or negative, the timer can run before th...

CVE-2026-74662

In the Linux kernel, the following vulnerability has been resolved: inet: frags: publish queues before arming timer inetfragcreate arms the fragment queue timer before inserting the queue into the fqdir rhashtable. If the namespace fragment timeout is zero or negative, the timer can run before th...

EUVD-2026-64349

In the Linux kernel, the following vulnerability has been resolved: inet: frags: publish queues before arming timer inetfragcreate arms the fragment queue timer before inserting the queue into the fqdir rhashtable. If the namespace fragment timeout is zero or negative, the timer can run before th...

CVE-2026-74662 inet: frags: publish queues before arming timer

In the Linux kernel, the following vulnerability has been resolved: inet: frags: publish queues before arming timer inetfragcreate arms the fragment queue timer before inserting the queue into the fqdir rhashtable. If the namespace fragment timeout is zero or negative, the timer can run before th...

CVE-2026-74662 inet: frags: publish queues before arming timer

In the Linux kernel, the following vulnerability has been resolved: inet: frags: publish queues before arming timer inetfragcreate arms the fragment queue timer before inserting the queue into the fqdir rhashtable. If the namespace fragment timeout is zero or negative, the timer can run before th...

CVE-2026-74662

CVE-2026-74662 is a race condition in the Linux kernel 's inet: frags (IP fragmentation) subsystem. In inet_frag_create(), the fragment queue timer is armed before the queue is inserted into the fqdir rhashtable. When the namespace fragment timeout is zero or negative, the timer can fire before t...

EUVD-2026-64564

In the Linux kernel, the following vulnerability has been resolved: net: devmem: prevent net-iov / page mixing We should either have netiov or page backed frags in a single skb, otherwise it blows up down the stack. Don't allow mixing in zerocopyfillskbfromdevmem...

CVE-2026-74627 net: devmem: prevent net-iov / page mixing

In the Linux kernel, the following vulnerability has been resolved: net: devmem: prevent net-iov / page mixing We should either have netiov or page backed frags in a single skb, otherwise it blows up down the stack. Don't allow mixing in zerocopyfillskbfromdevmem...