Security Vulnerabilities
In the Linux kernel, the following vulnerability has been resolved:
drm/amdgpu: Add bounds checking to ib_{get,set}_value
The uvd/vce/vcn code accesses the IB at predefined offsets without
checking that the IB is large enough. Check the bounds here. The caller
is responsible for making sure it can handle arbitrary return values.
Also make the idx a uint32_t to prevent overflows causing the condition
to fail.
CVSS Score
7.1
EPSS Score
0.0
Published
2026-05-28
In the Linux kernel, the following vulnerability has been resolved:
spi: mpc52xx: fix use-after-free on unbind
The state machine work is scheduled by the interrupt handler and
therefore needs to be cancelled after disabling interrupts to avoid a
potential use-after-free.
CVSS Score
7.8
EPSS Score
0.0
Published
2026-05-28
In the Linux kernel, the following vulnerability has been resolved:
drm/amdgpu/sdma4: replace BUG_ON with WARN_ON in fence emission
sdma_v4_0_ring_emit_fence() contains two BUG_ON(addr & 0x3) assertions
that verify fence writeback addresses are dword-aligned. These
assertions can be reached from unprivileged userspace via crafted
DRM_IOCTL_AMDGPU_CS submissions, causing a fatal kernel panic in a
scheduler worker thread.
Replace both BUG_ON() calls with WARN_ON() to log the condition without
crashing the kernel. A misaligned fence address at this point indicates
a driver bug, but crashing the kernel is never the correct response when
the assertion is reachable from userspace.
The CS IOCTL path is the correct place to filter invalid submissions;
the ring emission callback is too late to do anything about it.
(cherry picked from commit b90250bd933afd1ba94d86d6b13821997b22b18e)
CVSS Score
5.5
EPSS Score
0.0
Published
2026-05-28
In the Linux kernel, the following vulnerability has been resolved:
EDAC/versalnet: Fix device name memory leak
The device name allocated via kzalloc() in init_one_mc() is assigned to
dev->init_name but never freed on the normal removal path. device_register()
copies init_name and then sets dev->init_name to NULL, so the name pointer
becomes unreachable from the device. Thus leaking memory.
Use a stack-local char array instead of using kzalloc() for name.
CVSS Score
5.5
EPSS Score
0.0
Published
2026-05-28
In the Linux kernel, the following vulnerability has been resolved:
media: rockchip: rkcif: Add missing MUST_CONNECT flag to pads
The pads missed checks for connected devices which may a null dereference
when the stream is enabled.
Unable to handle kernel NULL pointer dereference at virtual address
0000000000000020
pc : rkcif_interface_enable_streams+0x48/0xf0
lr : rkcif_interface_enable_streams+0x44/0xf0
Call trace:
rkcif_interface_enable_streams+0x48/0xf0
v4l2_subdev_enable_streams+0x26c/0x3f0
rkcif_stream_start_streaming+0x140/0x278
vb2_start_streaming+0x74/0x188
vb2_core_streamon+0xe0/0x1d8
vb2_ioctl_streamon+0x60/0xa8
v4l_streamon+0x2c/0x40
__video_do_ioctl+0x34c/0x400
video_usercopy+0x2d0/0x800
video_ioctl2+0x20/0x60
v4l2_ioctl+0x48/0x78
CVSS Score
5.5
EPSS Score
0.0
Published
2026-05-28
In the Linux kernel, the following vulnerability has been resolved:
drm/amdgpu/vcn4: Prevent OOB reads when parsing IB
Rewrite the IB parsing to use amdgpu_ib_get_value() which handles the
bounds checks.
CVSS Score
7.1
EPSS Score
0.0
Published
2026-05-28
In the Linux kernel, the following vulnerability has been resolved:
staging: media: atomisp: Disallow all private IOCTLs
Disallow all private IOCTLs. These aren't quite as safe as one could
assume of IOCTL handlers; disable them for now. Instead of removing the
code, return in the beginning of the function if cmd is non-zero in order
to keep static checkers happy.
CVSS Score
7.8
EPSS Score
0.0
Published
2026-05-28
In the Linux kernel, the following vulnerability has been resolved:
batman-adv: reject new tp_meter sessions during teardown
Prevent tp_meter from starting new sender or receiver sessions after
mesh_state has left BATADV_MESH_ACTIVE.
CVSS Score
7.8
EPSS Score
0.0
Published
2026-05-28
In the Linux kernel, the following vulnerability has been resolved:
vsock/virtio: fix empty payload in tap skb for non-linear buffers
For non-linear skbs, virtio_transport_build_skb() goes through
virtio_transport_copy_nonlinear_skb() to copy the original payload
in the new skb to be delivered to the vsockmon tap device.
This manually initializes an iov_iter but does not set iov_iter.count.
Since the iov_iter is zero-initialized, the copy length is zero and no
payload is actually copied to the monitor interface, leaving data
un-initialized.
Fix this by removing the linear vs non-linear split and using
skb_copy_datagram_iter() with iov_iter_kvec() for all cases, as
vhost-vsock already does. This handles both linear and non-linear skbs,
properly initializes the iov_iter, and removes the now unused
virtio_transport_copy_nonlinear_skb().
While touching this code, let's also check the return value of
skb_copy_datagram_iter(), even though it's unlikely to fail.
CVSS Score
5.5
EPSS Score
0.0
Published
2026-05-28
In the Linux kernel, the following vulnerability has been resolved:
batman-adv: stop tp_meter sessions during mesh teardown
TP meter sessions remain linked on bat_priv->tp_list after the netlink
request has already finished. When the mesh interface is removed,
batadv_mesh_free() currently tears down the mesh without first draining
these sessions.
A running sender thread or a late incoming tp_meter packet can then keep
processing against a mesh instance which is already shutting down.
Synchronize tp_meter with the mesh lifetime by stopping all active
sessions from batadv_mesh_free() and waiting for sender threads to exit
before teardown continues.
CVSS Score
7.8
EPSS Score
0.0
Published
2026-05-28