CVE-2026-68373

In the Linux kernel, the following vulnerability has been resolved: wifi: at76c50x-usb: avoid length underflow in at76guessfreq at76guessfreq checks only that the received frame is at least a bare 802.11 header 24 bytes before subtracting the fixed management-body offset: len -= eloff; For both...

CVE-2026-68253

In the Linux kernel, the following vulnerability has been resolved: drm/i915/hdcp: check streams bounds before overflow The data-streams overflow check is done after the buffer overflow has already happened. Move the overflow check before the write. Side note, emitting a warning splat with a...

CVE-2026-68257

In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: fix 32-bit overflow in CWSR total size calculation totalcwsrsize was computed in 32-bit before being used as a BO/SVM allocation size. With large ctxsaverestoreareasize and debugmemorysize multiplied by the XCC count,...

UBUNTU-CVE-2026-68253

In the Linux kernel, the following vulnerability has been resolved: drm/i915/hdcp: check streams bounds before overflow The data-streams overflow check is done after the buffer overflow has already happened. Move the overflow check before the write. Side note, emitting a warning splat with a...

UBUNTU-CVE-2026-68274

In the Linux kernel, the following vulnerability has been resolved: drm/xe/guc: Fix buffer overflow in steered register list allocation The size calculation for the steered register extarray uses only the geometry DSS mask gdssmask to determine the number of entries to allocate: total =...

UBUNTU-CVE-2026-68209

In the Linux kernel, the following vulnerability has been resolved: media: sun4i-csi: Return queued buffers on startstreaming failure The vb2 framework hands buffers to the driver via bufqueue before calling startstreaming. If startstreaming returns an error without first returning those buffers...

UBUNTU-CVE-2026-68400

In the Linux kernel, the following vulnerability has been resolved: firmware: armffa: Fix Endpoint Memory Access Descriptor offset calculation Use the descriptor's epmemoffset to calculate the start of the endpoint memory access array and to comply with the FF-A spec instead of defaulting to...

UBUNTU-CVE-2026-68213

In the Linux kernel, the following vulnerability has been resolved: media: rtl2832sdr: Return queued buffers on startstreaming failure The vb2 framework hands buffers to the driver via bufqueue before calling startstreaming. If startstreaming returns an error without first returning those buffers...

UBUNTU-CVE-2026-68278

In the Linux kernel, the following vulnerability has been resolved: drm/dp/mst: fix buffer overflows in sideband chunk accumulation drmdpsidebandappendpayload has three related bugs when processing device-provided sideband reply data: 1. Zero-length curchunklen underflow: msglen is a 6-bit field...

UBUNTU-CVE-2026-68262

In the Linux kernel, the following vulnerability has been resolved: drm/imagination: Fix user array stride in pvrsetuobjarray pvrsetuobjarray copies an array of kernel objects to a userspace array whose element size is described by out-stride. When out-stride is different from the kernel object...

UBUNTU-CVE-2026-68330

In the Linux kernel, the following vulnerability has been resolved: net: airoha: Fix DMA direction for NPU mailbox buffer airohanpusendmsg always maps the mailbox buffer with DMATODEVICE, but some callers expect the NPU to write response data back into the same buffer: - airohanpuwlanmsgget...

UBUNTU-CVE-2026-68231

In the Linux kernel, the following vulnerability has been resolved: media: airspy: Return queued buffers on startstreaming failure The vb2 framework hands buffers to the driver via bufqueue before calling startstreaming. If startstreaming returns an error without first returning those buffers via...

UBUNTU-CVE-2026-68184

In the Linux kernel, the following vulnerability has been resolved: cdrom: fix stack out-of-bounds read in CDROMVOLCTRL mmcioctlcdromvolume first reads the audio control mode page into a 32-byte stack buffer with cgc-buflen set to 24. If the device reports a block descriptor, the function increas...

DEBIAN-CVE-2026-68130

In the Linux kernel, the following vulnerability has been resolved: ksmbd: defer destroyprevioussession until after NTLM authentication In ntlmauthenticate, destroyprevioussession is called using a user pointer resolved from the client-supplied NTLM blob username field before the NTLMv2 response ...

CVE-2026-68135

In the Linux kernel, the following vulnerability has been resolved: net: hip04: fix RX buffer leak on buildskb failure When buildskb fails in hip04rxpoll, the driver jumps to the refill path without releasing the current RX buffer and its DMA mapping. Installing a replacement buffer then overwrit...

CVE-2026-68123

In the Linux kernel, the following vulnerability has been resolved: openvswitch: fix GSO userspace truncation underflow OVSACTIONATTRTRUNC currently stores a delta from the original skb length in OVSCBskb-cutlen. When a later userspace action segments a GSO skb, queuegsopackets reuses that delta...

CVE-2026-68124

In the Linux kernel, the following vulnerability has been resolved: mctp: serial: handle zero-length frames to prevent rx buffer overflow The MCTP serial receive state machine reads a frame length byte in mctpserialpushheader case 2 and validates it upper-bound-only: if c MCTPSERIALFRAMEMTU...

CVE-2026-68121

In the Linux kernel, the following vulnerability has been resolved: pppoe: reload header pointer after devhardheader pppoesendmsg saves a pointer to the PPPoE header before calling devhardheader. Device header callbacks are allowed to reallocate the skb head, invalidating pointers into it. This c...

DEBIAN-CVE-2026-68097

In the Linux kernel, the following vulnerability has been resolved: ksmbd: validate ACE size against SID sub-authorities setntacldacl validates sid.numsubauth before copying an ACE, but does not verify that the declared ACE size contains all sub-authorities described by that field. An undersized...

CVE-2026-68135

In the Linux kernel, the following vulnerability has been resolved: net: hip04: fix RX buffer leak on buildskb failure When buildskb fails in hip04rxpoll, the driver jumps to the refill path without releasing the current RX buffer and its DMA mapping. Installing a replacement buffer then overwrit...