SUSE CVE-2026-46306

In the Linux kernel, the following vulnerability has been resolved: flowdissector: do not dissect PPPoE PFC frames RFC 2516 Section 7 states that Protocol Field Compression PFC is NOT RECOMMENDED for PPPoE. In practice, pppd does not support negotiating PFC for PPPoE sessions, and the flow...

CVE-2026-46306

A flaw was found in the Linux kernel's flow dissector. This vulnerability allows a remote attacker to cause a Denial of Service DoS by sending a specially crafted Point-to-Point Protocol over Ethernet PPPoE Protocol Field Compression PFC frame to an affected system. The incorrect processing of...

CVE-2026-46306

In the Linux kernel, the following vulnerability has been resolved: flowdissector: do not dissect PPPoE PFC frames RFC 2516 Section 7 states that Protocol Field Compression PFC is NOT RECOMMENDED for PPPoE. In practice, pppd does not support negotiating PFC for PPPoE sessions, and the flow...

CVE-2026-46306 flow_dissector: do not dissect PPPoE PFC frames

In the Linux kernel, the following vulnerability has been resolved: flowdissector: do not dissect PPPoE PFC frames RFC 2516 Section 7 states that Protocol Field Compression PFC is NOT RECOMMENDED for PPPoE. In practice, pppd does not support negotiating PFC for PPPoE sessions, and the flow...

CVE-2026-46306

In the Linux kernel, the following vulnerability has been resolved: flowdissector: do not dissect PPPoE PFC frames RFC 2516 Section 7 states that Protocol Field Compression PFC is NOT RECOMMENDED for PPPoE. In practice, pppd does not support negotiating PFC for PPPoE sessions, and the flow...

EUVD-2026-35171

In the Linux kernel, the following vulnerability has been resolved: flowdissector: do not dissect PPPoE PFC frames RFC 2516 Section 7 states that Protocol Field Compression PFC is NOT RECOMMENDED for PPPoE. In practice, pppd does not support negotiating PFC for PPPoE sessions, and the flow...

CVE-2026-46306

CVE-2026-46306 affects the Linux kernel where the flow_dissector incorrectly dissects PPPoE PFC frames. The root cause is handling a compressed (1-byte) Protocol Field Compression (PFC) in PPPoE, which shifts the subsequent PPP payload by one byte, causing a 4-byte network-header misalignment and...

PT-2026-47377

In the Linux kernel, the following vulnerability has been resolved: flow dissector: do not dissect PPPoE PFC frames RFC 2516 Section 7 states that Protocol Field Compression PFC is NOT RECOMMENDED for PPPoE. In practice, pppd does not support negotiating PFC for PPPoE sessions, and the flow...

Astra Linux - уязвимость в linux, linux-5.10, linux-5.15, linux-6.1

In the Linux kernel, the following vulnerabilities have been resolved: net: iptunnel: prevents perpetual headroom growth The issue was triggered after the kasan function: BUG: KASAN: use-after-free in skbflowdissect+0x19d1/0x7a50 net/core/flowdissector.c:1170 A size 1 read was performed at addres...

Astra Linux - уязвимость в linux, linux-5.15, linux-6.1

In the Linux kernel, the following vulnerability has been resolved: bpf: Reject variable offset alu on PTRTOFLOWKEYS For PTRTOFLOWKEYS, the checkflowkeysaccess function only uses a fixed offset for validation. However, the variable offset ptr isn’t prohibited for this type of pointer. Therefore,...

Astra Linux - уязвимость в linux-6.1

In the Linux kernel, the following vulnerability has been resolved: net: flowdissector: Use DEBUGNETWARNONONCE. This issue is easy to reproduce both upstream and in the -stable kernels. Florian Westphal provided the following commit: d1dab4f71d37 “net: add and use skbgethashsymmetricnet". However...

Astra Linux - уязвимость в linux-5.15, linux-6.1

In the Linux kernel, the following vulnerabilities have been resolved: net/core: Fixed the ETHP1588 flow dissector When a PTP Ethernet raw frame with a size of more than 256 bytes followed by a 0xff pattern is sent to skbflowdissect, the calculation of the nhoff value is incorrect. For example,...

Astra Linux - уязвимость в linux-5.10, linux

In the Linux kernel, the following vulnerabilities have been resolved: ppp: Associating skb with a device at tx. Syzkaller triggered a flow dissector warning with the following code: c r0 = openat$ppp0xffffffffffffff9c, &0x7f0000000000, 0xc0802, 0x0 ioctl$PPPIOCNEWUNITr0, 0xc004743e,...

Unity Linux 20.1070a Security Update: kernel (UTSA-2026-013677)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013677 advisory. In the Linux kernel, the following vulnerability has been resolved: ppp: associate skb with a device at tx Syzkaller triggered flow dissector warning with the...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-010860)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-010860 advisory. In the Linux kernel, the following vulnerability has been resolved: ppp: associate skb with a device at tx Syzkaller triggered flow dissector warning with the...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-007512)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-007512 advisory. In the Linux kernel, the following vulnerability has been resolved: ppp: associate skb with a device at tx Syzkaller triggered flow dissector warning with the...

SUSE CVE-2026-23119

In the Linux kernel, the following vulnerability has been resolved: bonding: provide a net pointer to skbflowdissect After 3cbf4ffba5ee "net: plumb network namespace into skbflowdissect" we have to provide a net pointer to skbflowdissect, either via skb-dev, skb-sk, or a user provided pointer. In...

CVE-2026-23119

A flaw was found in the Linux kernel's network bonding driver. When performing XDP redirect operations through a bonding interface, the bondflowdissect function fails to provide a network namespace pointer to skbflowdissect. This triggers a kernel warning when processing packets with incomplete...

Linux Distros Unpatched Vulnerability : CVE-2026-23119

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - bonding: provide a net pointer to skbflowdissect After 3cbf4ffba5ee net: plumb network namespace into skbflowdissect we have to provide a net pointer to...

CVE-2026-23119

In the Linux kernel, the following vulnerability has been resolved: bonding: provide a net pointer to skbflowdissect After 3cbf4ffba5ee "net: plumb network namespace into skbflowdissect" we have to provide a net pointer to skbflowdissect, either via skb-dev, skb-sk, or a user provided pointer. In...