kernel: net: skbuff: propagate shared-frag marker through frag-transfer helpers

A flaw was found in the Linux kernel's networking skbuff component. When skbtrycoalesce attaches paged fragments, it can lose the SKBFLSHAREDFRAG marker. This can lead to the Encapsulating Security Payload ESP input decrypting data in place over page-cache backed fragments, potentially resulting ...

kernel: net: skbuff: propagate shared-frag marker through frag-transfer helpers

A flaw was found in the Linux kernel's networking skbuff component. When skbtrycoalesce attaches paged fragments, it can lose the SKBFLSHAREDFRAG marker. This can lead to the Encapsulating Security Payload ESP input decrypting data in place over page-cache backed fragments, potentially resulting ...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: ksmbd: Fixed a signedness bug in smbdirectpreparenegotiation. The function smbdirectpreparenegotiation casts a unsigned u32 value from sp-maxrecvsize and req-preferredsendsize into a signed int before calculating mintint, .......

The vulnerability of the skb_try_coalesce() function in the net/core/skbuff.c module, which is part of the Linux kernel’s networking functions, allows a attacker to compromise the confidentiality, integrity, and accessibility of protected information.

The vulnerability of the skbtrycoalesce function in the net/core/skbuff.c module of the Linux kernel’s networking functions relates to the reutilization of previously freed memory. Exploiting this vulnerability could allow an attacker to compromise the confidentiality, integrity, and accessibilit...

EUVD-2026-25651

In the Linux kernel, the following vulnerability has been resolved: net: sched: actcsum: validate nested VLAN headers tcfcsumact walks nested VLAN headers directly from skb-data when an skb still carries in-payload VLAN tags. The current code reads vlan-hvlanencapsulatedproto and then pulls...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-013412)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013412 advisory. In the Linux kernel, the following vulnerability has been resolved: i40e: add validation for ringlen param The ringlen parameter provided by the virtual function VF ...

CVE-2026-31422 net/sched: cls_flow: fix NULL pointer dereference on shared blocks

In the Linux kernel, the following vulnerability has been resolved: net/sched: clsflow: fix NULL pointer dereference on shared blocks flowchange calls tcfblockq and dereferences q-handle to derive a default baseclass. Shared blocks leave block-q NULL, causing a NULL deref when a flow filter witho...

CVE-2026-31406 xfrm: Fix work re-schedule after cancel in xfrm_nat_keepalive_net_fini()

In the Linux kernel, the following vulnerability has been resolved: xfrm: Fix work re-schedule after cancel in xfrmnatkeepalivenetfini After canceldelayedworksync is called from xfrmnatkeepalivenetfini, xfrmstatefini flushes remaining states via xfrmstatedelete, which calls...

The vulnerability of the unix_stream_sendpage() function in the net/unix/af_unix.c module, which is part of the Linux kernel’s networking functions, allows a hacker to cause a service failure.

The vulnerability of the unixstreamsendpage function in the net/unix/afunix.c module, which is part of the Linux kernel’s networking functions, is related to synchronization errors when using shared resources. Exploiting this vulnerability can allow an attacker to cause service failures...

The vulnerability of the skb_copy_ubufs() function in the net/core/skbuff.c module, which is part of Linux’s kernel network functions, allows a attacker to compromise the confidentiality, integrity, and accessibility of the protected information.

The vulnerability of the skbcopyubufs function in the net/core/skbuff.c module, which is part of Linux’s kernel network functions, relates to the issue of data being written outside of the buffer’s boundaries. Exploiting this vulnerability could allow an attacker to compromise the confidentiality...

The vulnerability of the __bpf_sk_lookup() function in the net/core/filter.c module exposes network functions of the Linux operating system, allowing a hacker to cause a service failure.

The vulnerability of the bpfsklookup function in the net/core/filter.c module related to Linux kernel’s networking functions is associated with errors during the update of the reference counter. Exploiting this vulnerability could allow an attacker to cause a service failure...

The vulnerability of the cfusbl_device_notify() function in the net/caif/caif_usb.c module, which is part of the Linux kernel’s networking functions, allows a attacker to compromise the confidentiality, integrity, and accessibility of the protected information.

The vulnerability of the cfusbldevicenotify function in the net/caif/caifusb.c module, which is part of the Linux kernel’s networking functions, is related to errors during link counter updates. Exploiting this vulnerability could allow an attacker to compromise the confidentiality, integrity, an...

The vulnerability of the sk_psock_init() function in the net/core/skmsg.c module, which supports network functions of the Linux kernel, allows a attacker to cause a service failure.

The vulnerability of the skpsockinit function in the net/core/skmsg.c module, which supports network functions of the Linux kernel, involves exposing confidential information. Exploiting this vulnerability could allow an attacker to cause service failures...

Linux Distros Unpatched Vulnerability : CVE-2026-23340

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - net: sched: avoid qdiscresetalltxgt vs dequeue race for lockless qdiscs When shrinking the number of real tx queues, netifsetrealnumtxqueues calls...

The vulnerability of the kcm_splice_read() function in the net/kcm/kcmsock.c module, which is part of the networking functions of the Linux kernel, allows a hacker to cause a service failure.

The vulnerability of the kcmspliceread function in the net/kcm/kcmsock.c module, which is part of the Linux kernel’s networking functions, is related to synchronization errors when using shared resources. Exploiting this vulnerability can allow an attacker to cause service failures...

The vulnerability of the __xfrm_policy_check() function in the net/xfrm/xfrm_policy.c module, which is part of the Linux kernel’s networking functions, allows a hacker to trigger a service failure.

The vulnerability of the xfrmpolicycheck function in the net/xfrm/xfrmpolicy.c module, which is part of the Linux kernel’s networking functions, is related to errors during the update of the link counters. Exploiting this vulnerability could allow an attacker to trigger a service failure...

The vulnerability of the decode_pool() function in the net/ceph/osdmap.c module, which is part of the Linux kernel’s networking functions, allows a hacker to gain access to protected information or cause service failures.

The vulnerability of the decodepool function in the net/ceph/osdmap.c module, which implements kernel networking functions in the Linux operating system, relates to reading beyond the buffer boundaries. Exploiting this vulnerability could allow a malicious actor to gain access to protected...

The vulnerability of the kcm_release() function in the net/kcm/kcmsock.c module, which is part of the networking functions in the Linux kernel, allows a hacker to cause a service failure.

The vulnerability of the kcmrelease function in the net/kcm/kcmsock.c module, which implements networking functions for the Linux operating system’s kernel, is related to synchronization errors when using shared resources. Exploiting this vulnerability can allow an attacker to cause service...

The vulnerability of the dst_count_dec() function in the net/core/dst.c module, a support for network functions in the Linux kernel, allows a hacker to cause a service failure.

The vulnerability of the dstcountdec function in the net/core/dst.c module, part of the Linux kernel’s networking functions support, involves disclosing confidential information. Exploiting this vulnerability could allow an attacker to cause service failures...

The vulnerability of the dev_fill_forward_path() function in the net/core/dev.c module, which supports kernel network functions in the Linux operating system, allows a hacker to cause a service failure.

The vulnerability of the devfillforwardpath function in the net/core/dev.c module, which is part of Linux’s kernel-based networking functions, involves insecure management of privileges. Exploiting this vulnerability could allow an attacker to cause a service failure...