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So we can easily check if a machine had the CCS bug, when looking back over bug reports where we have the same machine with newer kernel
from the top result below
https://cdn.kernel.org/pub/linux/kernel/v7.x/ChangeLog-7.2.5
smb2_read_pipe() allocates only the payload size, so the alignment padding can expose up to seven bytes of uninitialized kernel heap memory
https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.18.51
smb2_read_pipe() allocates only the payload size, so the alignment padding can expose up to seven bytes of uninitialized kernel heap memory
https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.18.50
com Fixes: 5d2146a3354f ("selftests/mm: skip mlock tests if nobody user can't read it") Signed-off-by: Injae Ryou Cc: Brendan Jackman Cc: B
https://cdn.kernel.org/pub/linux/kernel/v7.x/ChangeLog-7.1.6
This missed the case where background I/O holds the final reference after userspace close() returns, and required explicit maintenance at each close-path site
https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.157
org/linux-kernel/5df6968a-2e5f-468e-b457-fc201535dd4c@linux
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.266
However, there exists a race window where this check can be bypassed: ring_buffer_lock_reserve cpu_buffer = buffer->buffers[cpu]; // cpu_buffer_a rb_reserve_next_event rb_start_commit // inc committing if (unlikely(READ_ONCE(cpu_buffer->buffer)
https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.183
With an authenticated peer, the reproducer triggered the same KASAN report in 2 of 2 unpatched runs on a KASAN-enabled netdev/main kernel: BUG: KASAN: slab-use-after-free in sctp_outq_select_transport Read of size 4 at addr ffff88800b9bd95c by task python3/197 Call Trace: sctp_outq_select_transport+0x549/0x8b0 [sctp]
https://cdn.kernel.org/pub/linux/kernel/v7.x/ChangeLog-7.2.6
org Tested-by: Brett A C Sheffield Tested-by: Salvatore Bonaccorso Tested-by: Ronald Warsow Tested-by: Takeshi Ogasawara Tested-by: Peter Schneider Tested-by: Benjamin Boortz Tested-by: Markus Reichelt Tested-by: Barry K
https://cdn.kernel.org/pub/linux/kernel/v7.x/ChangeLog-7.1.13
Bridge a wired interface to an mt7925u AP and the first forwarded frame that arrives short panics the kernel: skbuff: skb_under_panic: len:415 put:4 tail:0x19b end:0x640 dev:wlan1 kernel BUG at net/core/skbuff
https://cdn.kernel.org/pub/linux/kernel/v7.x/ChangeLog-7.1.8
:04:08 2026 -0400 drm/xe: Wait on external BO kernel fences in exec IOCTL [ Upstream commit af80e2bfde9312c76b60cf9274248dce0410b30d ] Before arming a user job, xe_exec_ioctl() only added the VM's dma-resv KERNEL slot as a dependency
https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.156
The interrupt URB buffer is allocated in setup_port_interrupt_in() based on the endpoint's wMaxPacketSize: buffer_size = usb_endpoint_maxp(epd); port->interrupt_in_buffer = kmalloc(buffer_size, GFP_KERNEL); When a USB device declares wMaxPacketSize = 8 on its interrupt IN endpoint, the buffer is allocated from kmalloc
https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.153
However, there exists a race window where this check can be bypassed: ring_buffer_lock_reserve cpu_buffer = buffer->buffers[cpu]; // cpu_buffer_a rb_reserve_next_event rb_start_commit // inc committing if (unlikely(READ_ONCE(cpu_buffer->buffer)
https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.184
However, there exists a race window where this check can be bypassed: ring_buffer_lock_reserve cpu_buffer = buffer->buffers[cpu]; // cpu_buffer_a rb_reserve_next_event rb_start_commit // inc committing if (unlikely(READ_ONCE(cpu_buffer->buffer)
https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.151
org/drm/xe/kernel/-/work_items/8412 Tested-by: Alexander Kaplan Cc: Signed-off-by: Kai Vehmanen Link: https://patch
https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.18.44
org Signed-off-by: Greg Kroah-Hartman Signed-off-by: Greg Kroah-Hartman commit 10be509fa8fd95d1e47d40d1f68b0b26dfe9d572 Author: Oliver Hartkopp Date: Fri Aug 7 09:52:11 2026 +0200 can: isotp: fix timer drain order, wakeup handling and tx_gen ordering commit 050f010f920da17c1044a4f174766ad553e770b6 upstream
https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.18.46
org Tested-by: Pavel Machek (CIP) Tested-by: Brett A C Sheffield Tested-by: Florian Fainelli Tested-by: Barry K
https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.18.45
preferred_lft forever inet6 fe80::211:22ff:fe33:2255/64 scope link tentative proto kernel_ll valid_lft forever preferred_lft forever 6: eth1: mtu 1500 qdisc noqueue state UP group default qlen 1000 link/ether 00:22:22:33:22:55 brd ff:ff:ff:ff:ff:ff link-netns ns3 inet6 2001:db8:2::1/64 scope global nodad valid_lft
https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.152
With an authenticated peer, the reproducer triggered the same KASAN report in 2 of 2 unpatched runs on a KASAN-enabled netdev/main kernel: BUG: KASAN: slab-use-after-free in sctp_outq_select_transport Read of size 4 at addr ffff88800b9bd95c by task python3/197 Call Trace: sctp_outq_select_transport+0x549/0x8b0 [sctp]
https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12.104
With an authenticated peer, the reproducer triggered the same KASAN report in 2 of 2 unpatched runs on a KASAN-enabled netdev/main kernel: BUG: KASAN: slab-use-after-free in sctp_outq_select_transport Read of size 4 at addr ffff88800b9bd95c by task python3/197 Call Trace: sctp_outq_select_transport+0x549/0x8b0 [sctp]
https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.18.42
Otherwise, a built-in driver that tries to use the buddy allocator will run into a kernel NULL pointer dereference because slab_blocks is uninitialized
https://cdn.kernel.org/pub/linux/kernel/v7.x/ChangeLog-7.1.9
With an authenticated peer, the reproducer triggered the same KASAN report in 2 of 2 unpatched runs on a KASAN-enabled netdev/main kernel: BUG: KASAN: slab-use-after-free in sctp_outq_select_transport Read of size 4 at addr ffff88800b9bd95c by task python3/197 Call Trace: sctp_outq_select_transport+0x549/0x8b0 [sctp]
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.265
With an authenticated peer, the reproducer triggered the same KASAN report in 2 of 2 unpatched runs on a KASAN-enabled netdev/main kernel: BUG: KASAN: slab-use-after-free in sctp_outq_select_transport Read of size 4 at addr ffff88800b9bd95c by task python3/197 Call Trace: sctp_outq_select_transport+0x549/0x8b0 [sctp]
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.216
With an authenticated peer, the reproducer triggered the same KASAN report in 2 of 2 unpatched runs on a KASAN-enabled netdev/main kernel: BUG: KASAN: slab-use-after-free in sctp_outq_select_transport Read of size 4 at addr ffff88800b9bd95c by task python3/197 Call Trace: sctp_outq_select_transport+0x549/0x8b0 [sctp]
https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12.101
org Tested-by: Florian Fainelli Tested-by: Miguel Ojeda Tested-by: Peter Schneider Tested-by: Brett A C Sheffield Tested-by: Salvatore Bonaccorso Tested-by: Shuah Khan Tested-by: Pavel Machek (CIP) Tested-by: Mark Brown Tested-by: Harshit Mogalapalli Tested-by: Ron Economos Signed-off-by: Greg Kroah-Hartman commit
https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.148
179936] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000 [ 1
https://cdn.kernel.org/pub/linux/kernel/v7.x/ChangeLog-7.2.2
Two writes to a tap by an unprivileged user in its own userns are enough: kernel BUG at net/core/skbuff
https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.155
Two writes to a tap by an unprivileged user in its own userns are enough: kernel BUG at net/core/skbuff
https://cdn.kernel.org/pub/linux/kernel/v6.x/linux-6.18.50.tar.xz
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https://cdn.kernel.org/pub/linux/kernel/v6.x/patch-6.1.184.xz
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https://cdn.kernel.org/pub/linux/kernel/v6.x/incr/patch-6.12.104-105.xz
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