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Kernel: T8914: add support for 2.5G pluggables on BCM57810S
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Kernel: T8605: net/l2tp: allow unmanaged tunnel setup without route to peer
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Add the well-known JAMESMTL kernel module patch for bnx2x to advertise 2.5Gbit/s
capabilities on Broadcom NetXtreme2-X cards with BCM57810S chipset.
This is useful for ISP GPON access networks that use 2.5Gbit/s pluggables and
need the NIC to negotiate beyond 1000baseT/Full, avoiding the 940Mbit/s
practical cap on overprovisioned 1G services.
References:
* https://hack-gpon.org/broadcom-57810s/
* https://github.com/JAMESMTL/snippets/blob/dceb2fee74d80c66d/bnx2x/patches/bnx2x_warpcore_8727_2_5g_sgmii_txfault.patch
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The Kernel 6.18.33 now has an upstream fix for the fragnesia vulnerability
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This fixes the LPE https://github.com/0xdeadbeefnetwork/ssh-keysign-pwn
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that allows unprivileged users to read files owned by any other user
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Fragnesia is a universal Linux local privilege escalation exploit, discovered
with V12 by William Bowling with the V12 team. Fragnesia is a member of the
Dirty Frag vulnerability class. This is a separate bug in the ESP/XFRM from
dirtyfrag which has received its own patch. However, it is in the same surface
and the mitigation is the same as for dirtyfrag.
It abuses a logic bug in the Linux XFRM ESP-in-TCP subsystem to achieve
arbitrary byte writes into the kernel page cache of read-only files, without
requiring any race condition.
The technique extends the page-cache write bug class that includes Dirty Pipe:
when a TCP socket transitions to espintcp ULP mode after data has already been
spliced from a file into the receive queue, the kernel processes the queued
file pages as ESP ciphertext. The AES-GCM keystream byte at counter block
position 2, byte 0 is XORed directly into the cached file page. By selecting
the IV nonce to produce a desired keystream byte, any target byte in the file
can be set to any value — one byte per trigger invocation.
From: https://github.com/v12-security/pocs/blob/532994fc003a7/fragnesia/README.md
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Kernel-created L2TPv3 tunnels (genetlink L2TP_CMD_TUNNEL_CREATE without
L2TP_ATTR_FD) used udp_sock_create() and kernel_connect(), which invoke
__ip4_datagram_connect() / __ip6_datagram_connect(). Those paths insist on
a successful FIB lookup at connect time. If no route to the configured
remote existed yet, tunnel and interface creation failed.
The data path already resolves routes on transmit (e.g. __ip_queue_xmit(),
inet6_csk_route_socket()). This change defers requiring a route until
packets are sent.
Details:
- UDP encapsulation: bind with udp_sock_create() after zeroing peer_udp_port,
then l2tp_udp_sk_set_peer() sets daddr/dport and socket "connected" state
without caching sk_dst from connect.
- IPv4 L2TP/IP (l2tp_ip): on -ENETUNREACH / -EHOSTUNREACH from
__ip4_datagram_connect(), l2tp_ip_connect_deferred() installs peer and
bind-table updates without a connect-time route.
- IPv6 L2TP/IP (l2tp_ip6): same for __ip6_datagram_connect(), including
IPv4-mapped peers and scope / bound-device checks aligned with the normal
connect path.
Forwarding still only happens once the FIB can reach the peer. Until then
outgoing packets follow the existing no-route drop path.
Assisted-by: Cursor:claude-4.6-opus
Signed-off-by: Christian Breunig <christian@breunig.cc>
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* Forwared port all out-of-tree driver patches
* Add Intel QAT patch to make it compile for LInux 6.18
* Remove out-of-tree OpenVPN DCO module - now available upstream
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The inotify support for overlayfs is no longer needed. Native upstream support
landed in kernel 4.16 (commit 31747eda41ef/764baba80168 in 2018, which made
overlayfs hash inodes by their lower inode so fsnotify works on overlay mounts),
and kernel 6.8 (commit bc2473c90fca in 2023) extended it so fsnotify generates
events for operations on the real underlying files of an overlay.
The patch was an out-of-tree workaround that never went upstream and predates
these solutions.
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The custom patch "nft_ct: Added nfct_seqadj_ext_add() for DNAT'ed - conntrack."
is now available upstream in the Kernel tree.
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The patch adds seqadj initialization for NATed conntrack.
This fixes access to FTP servers "behind" the NAT router.
The patch itself was proposed to the kernel and was accepted.
In future versions it should be included into the kernel.
Signed-off-by: Andrii Melnychenko <a.melnychenko@vyos.io>
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Add missing libraries to the linux‑perf package: libpfm4, libslang2, libtraceevent1.
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Previous patch was removed during VyOS 1.3 -> 1.4 development cycle as the
internal handling for Kernel package generation changed.
This brings back the perf binary in a new linux-perf-$KERNELVERSION
Debian package.
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Add build scripts for .deb packages without Jenkins.
To exclude Jenkins we need some place where we can put new builds-scripts
to run in parallel (old/new) during meantime
We will deprecate old Jenkins package builds in the future.
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