CVE-2026-90157 bpf: Reject negative optlen in cgroup getsockopt hook

In the Linux kernel, the following vulnerability has been resolved: bpf: Reject negative optlen in cgroup getsockopt hook A cgroup getsockopt BPF program can shrink ctx-optlen after the kernel getsockopt handler has run. The kernel-buffer variant, used by TCPZEROCOPYRECEIVE, only rejects values...

CVE-2026-90078 net/sched: act_skbmod: fix length calculations and avoid invalid header warnings

In the Linux kernel, the following vulnerability has been resolved: net/sched: actskbmod: fix length calculations and avoid invalid header warnings syzbot reported a warning in skbnetworkheaderlen triggered by tcfskbmodact: !skbtransportheaderwassetskb WARNING: CPU: 0 PID: 14949 at...

CVE-2026-90067 libceph: validate banner payload length

In the Linux kernel, the following vulnerability has been resolved: libceph: validate banner payload length When parsing the Ceph messenger v2 protocol banner, the payloadlen field is decoded from the banner prefix. If a client sends a banner with a payloadlen of 0, the kernel sets up a 0-length...

CVE-2026-90067 libceph: validate banner payload length

In the Linux kernel, the following vulnerability has been resolved: libceph: validate banner payload length When parsing the Ceph messenger v2 protocol banner, the payloadlen field is decoded from the banner prefix. If a client sends a banner with a payloadlen of 0, the kernel sets up a 0-length...

EUVD-2026-81928

In the Linux kernel, the following vulnerability has been resolved: libceph: validate banner payload length When parsing the Ceph messenger v2 protocol banner, the payloadlen field is decoded from the banner prefix. If a client sends a banner with a payloadlen of 0, the kernel sets up a 0-length...

CVE-2026-90067

CVE-2026-90067 is a Linux kernel vulnerability in the Ceph messenger v2 protocol implementation (net/ceph/messenger_v2.c). When parsing the msgr2 protocol banner, a client sending a payload_len of 0 causes the kernel to set up a 0-length socket read , violating a state-machine invariant and trigg...

EUVD-2026-81916

In the Linux kernel, the following vulnerability has been resolved: usb: atm: usbatm: fix invalid cirange initialization syzbot reported a shift-out-of-bounds in vccconnect: UBSAN: shift-out-of-bounds in net/atm/common.c:382:32 shift exponent -1 is negative CPU: 0 UID: 0 PID: 5987 Comm: syz.0.18...

CVE-2026-93113: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: clk: qcom: camcc-sc8280xp: unregister CAMCCGDSCCLK With the introduction of syncstate support in the clk and pmdomain subsystems, the following warning happens when the unused clocks are shutdown in camcc-sc8280xp: 15.408367...

CVE-2026-92485: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix WARNING in bpftracinglinkrelease The trampoline could be corrupted by the blindly 'tr-flags = BPFTRAMPFTAILCALLCTX' in verifier. 1. A fexit attached to a tailcallreachable prog. 'tr-flags' became 'BPFTRAMPFCALLORIG |...

CVE-2026-90190: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: nullblk: use DEFINEMUTEX for the file-scope mutex In nullinit, mutexinit&lock currently happens after configfsregistersubsystem, which exposes the nullb subsystem to userspace. A racing mkdir into /sys/kernel/config/nullb/ can...

CVE-2026-90021

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: fmidi: initialize work in fmidialloc fmidialloc initializes freeref to 1 and it can only be incremented when a sound card is registered via fmidiregistercard. fmidiregistercard is only called in fmidibind which...

AZL-101144 CVE-2026-90021 affecting package kernel 6.6.157.1-1

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: fmidi: initialize work in fmidialloc fmidialloc initializes freeref to 1 and it can only be incremented when a sound card is registered via fmidiregistercard. fmidiregistercard is only called in fmidibind which...

CVE-2026-89979

In the Linux kernel, the following vulnerability has been resolved: ALSA: pcm: Fix race between non-atomic ops and trigger-start We protect the races of the concurrent state transitions between atomic PCM ops, but the checks between the non-atomic ops hwparams, hwfree and prepare and the atomic o...

DEBIAN-CVE-2026-89979

In the Linux kernel, the following vulnerability has been resolved: ALSA: pcm: Fix race between non-atomic ops and trigger-start We protect the races of the concurrent state transitions between atomic PCM ops, but the checks between the non-atomic ops hwparams, hwfree and prepare and the atomic o...

DEBIAN-CVE-2026-89973

In the Linux kernel, the following vulnerability has been resolved: nvme-tcp: check the data direction of a C2HData PDU nvmetcphandlec2hdata finds the request by command id and checks that it has a payload, but it does not check that the command asked for data to be read. A controller that answer...

AZL-101397 CVE-2026-89979 affecting package kernel 6.6.152.1-1

In the Linux kernel, the following vulnerability has been resolved: ALSA: pcm: Fix race between non-atomic ops and trigger-start We protect the races of the concurrent state transitions between atomic PCM ops, but the checks between the non-atomic ops hwparams, hwfree and prepare and the atomic o...

CVE-2026-89973

In the Linux kernel, the following vulnerability has been resolved: nvme-tcp: check the data direction of a C2HData PDU nvmetcphandlec2hdata finds the request by command id and checks that it has a payload, but it does not check that the command asked for data to be read. A controller that answer...

CVE-2026-90031

CVE-2026-90031 affects the Linux kernel's ene_ub6250 USB storage driver. The root cause is a race condition on the shared us->current_urb field: the delayed scan work (via usb_stor_Bulk_max_lun()) and the probe path (via ene_get_card_type()) both access it concurrently, with only the scan path...

EUVD-2026-80639

In the Linux kernel, the following vulnerability has been resolved: usb-storage: eneub6250: fix race between scan work and probe eneub6250probe calls usbstorprobe2, which starts the usb-storage infrastructure and schedules the delayed scan work. The driver then calls enegetcardtype, which sends a...

CVE-2026-90021

In the Linux kernel , the USB gadget f_midi driver contained a bug where INIT_WORK was performed in f_midi_bind() rather than f_midi_alloc(). If f_midi_bind() was never executed, the work struct remained uninitialized, causing f_midi_free to trigger a warning in __flush_work due to work->func ...