CVE-2026-90250

In the Linux kernel, the following vulnerability has been resolved: bpf, cgroup: Fix storage null-ptr-deref after replacing prog Syzkaller reported a storage null-ptr-deref issue after replacing prog. This occurs in the following scenario: 1. prog A, an empty prog, is attached to a cgrp. 2. prog ...

DEBIAN-CVE-2026-90250

In the Linux kernel, the following vulnerability has been resolved: bpf, cgroup: Fix storage null-ptr-deref after replacing prog Syzkaller reported a storage null-ptr-deref issue after replacing prog. This occurs in the following scenario: 1. prog A, an empty prog, is attached to a cgrp. 2. prog ...

AZL-102777 CVE-2026-90091 affecting package kernel 6.6.152.1-1

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: fix race l2capsockcleanuplisten vs. putchan For L2CAP sockets without owning sk-sksocket, reading l2cappisk-chan may race against concurrent l2capsockkill - l2capsockputchan. This excludes simultaneous protoops...

DEBIAN-CVE-2026-90091

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: fix race l2capsockcleanuplisten vs. putchan For L2CAP sockets without owning sk-sksocket, reading l2cappisk-chan may race against concurrent l2capsockkill - l2capsockputchan. This excludes simultaneous protoops...

CVE-2026-93050

CVE-2026-93050 affects the Linux kernel in the ipack/ipoctal driver. Three distinct memory-safety issues occur when an iPack device is removed while a tty session is still active: (1) a use-after-free of struct ipoctal because the remove callback frees it via kfree() while tty operations may stil...

EUVD-2026-82160

In the Linux kernel, the following vulnerability has been resolved: ipack: ipoctal: fix UAF, null-ptr-deref, and use-after-free in cleanup on remove Three issues arise when the device is removed while a tty session is still active: 1. UAF of struct ipoctal: the remove callback frees ipoctal via...

EUVD-2026-81843

In the Linux kernel, the following vulnerability has been resolved: bpf, cgroup: Fix storage null-ptr-deref after replacing prog Syzkaller reported a storage null-ptr-deref issue after replacing prog. This occurs in the following scenario: 1. prog A, an empty prog, is attached to a cgrp. 2. prog ...

CVE-2026-90250

CVE-2026-90250 is a null pointer dereference vulnerability in the Linux kernel's BPF/cgroup subsystem . The issue occurs when a BPF program using BPF_MAP_TYPE_PERCPU_CGROUP_STORAGE replaces an empty prog via link_update. The root cause is that __cgroup_bpf_replace fails to allocate and assign the...

CVE-2026-90250 bpf, cgroup: Fix storage null-ptr-deref after replacing prog

In the Linux kernel, the following vulnerability has been resolved: bpf, cgroup: Fix storage null-ptr-deref after replacing prog Syzkaller reported a storage null-ptr-deref issue after replacing prog. This occurs in the following scenario: 1. prog A, an empty prog, is attached to a cgrp. 2. prog ...

CVE-2026-90250 bpf, cgroup: Fix storage null-ptr-deref after replacing prog

In the Linux kernel, the following vulnerability has been resolved: bpf, cgroup: Fix storage null-ptr-deref after replacing prog Syzkaller reported a storage null-ptr-deref issue after replacing prog. This occurs in the following scenario: 1. prog A, an empty prog, is attached to a cgrp. 2. prog ...

CVE-2026-90166 smb/server: fix null-ptr-deref in ksmbd_ipc_tree_connect_request()

In the Linux kernel, the following vulnerability has been resolved: smb/server: fix null-ptr-deref in ksmbdipctreeconnectrequest See the procedure below: ksmbdtreeconnconnect ksmbdshareconfigget share-name = kstrdup // fail if !testshareconfigflagshare, KSMBDSHAREFLAGPIPE // false // do not check...

CVE-2026-90166

CVE-2026-90166 affects the Linux kernel's SMB server (ksmbd) . The vulnerability is a null pointer dereference in ksmbd_ipc_tree_connect_request(), triggered when kstrdup() in ksmbd_share_config_get() fails and returns NULL for share->name, which is then passed to strlen() without a null check...

CVE-2026-90091 Bluetooth: L2CAP: fix race l2cap_sock_cleanup_listen() vs. put_chan

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: fix race l2capsockcleanuplisten vs. putchan For L2CAP sockets without owning sk-sksocket, reading l2cappisk-chan may race against concurrent l2capsockkill - l2capsockputchan. This excludes simultaneous protoops...

EUVD-2026-81952

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: fix race l2capsockcleanuplisten vs. putchan For L2CAP sockets without owning sk-sksocket, reading l2cappisk-chan may race against concurrent l2capsockkill - l2capsockputchan. This excludes simultaneous protoops...

CVE-2026-90186: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: nullblk: reject per-device queue resize for shared tag set When sharedtags is enabled, nullsetuptagset makes the device use the global tagset, whose driverdata stays NULL. nullmapqueues therefore falls back to the module-wide...

CVE-2026-90166: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: smb/server: fix null-ptr-deref in ksmbdipctreeconnectrequest See the procedure below: ksmbdtreeconnconnect ksmbdshareconfigget share-name = kstrdup // fail if !testshareconfigflagshare, KSMBDSHAREFLAGPIPE // false // do not check...

CVE-2026-90091: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: fix race l2capsockcleanuplisten vs. putchan For L2CAP sockets without owning sk-sksocket, reading l2cappisk-chan may race against concurrent l2capsockkill - l2capsockputchan. This excludes simultaneous protoops...

CVE-2026-90250: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: bpf, cgroup: Fix storage null-ptr-deref after replacing prog Syzkaller reported a storage null-ptr-deref issue after replacing prog. This occurs in the following scenario: 1. prog A, an empty prog, is attached to a cgrp. 2. prog ...

DEBIAN-CVE-2026-89780

In the Linux kernel, the following vulnerability has been resolved: net: qualcomm: rmnet: restore skb-dev on deaggregated frames rmnetmapdeaggregate allocates each sub-frame with allocskb and leaves skb-dev NULL. rmnetmapingresshandler assigns skb-dev = ep-egressdev only on the data path, but a M...

CVE-2026-89780

In the Linux kernel, the following vulnerability has been resolved: net: qualcomm: rmnet: restore skb-dev on deaggregated frames rmnetmapdeaggregate allocates each sub-frame with allocskb and leaves skb-dev NULL. rmnetmapingresshandler assigns skb-dev = ep-egressdev only on the data path, but a M...