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 ...

DEBIAN-CVE-2026-90183

In the Linux kernel, the following vulnerability has been resolved: blk-iolatency: clear delay state when freeing policy data io.latency can throttle a group which has no latency target of its own. When a sibling misses its target, checkscalechange scales down its peers, and a peer that reaches...

CVE-2026-90182

In the Linux kernel, the following vulnerability has been resolved: blk-iocost: clear delay state when freeing policy data iocgkickdelay turns sufficiently large debt into an explicit block-cgroup delay with blkcgsetdelay, setting blkg-usedelay to -1 and incrementing blkcg-congestioncount. Cleari...

DEBIAN-CVE-2026-90182

In the Linux kernel, the following vulnerability has been resolved: blk-iocost: clear delay state when freeing policy data iocgkickdelay turns sufficiently large debt into an explicit block-cgroup delay with blkcgsetdelay, setting blkg-usedelay to -1 and incrementing blkcg-congestioncount. Cleari...

AZL-102494 CVE-2026-90183 affecting package kernel 6.6.157.1-1

In the Linux kernel, the following vulnerability has been resolved: blk-iolatency: clear delay state when freeing policy data io.latency can throttle a group which has no latency target of its own. When a sibling misses its target, checkscalechange scales down its peers, and a peer that reaches...

DEBIAN-CVE-2026-90159

In the Linux kernel, the following vulnerability has been resolved: bpf: Disallow bpfg,setsockopt in cgroup UNIX getname hooks bpfsetsockopt and bpfgetsockopt call sockownedbyme for full sockets, so these helpers expect the socket lock to be held. BPFCGROUPUNIXGETPEERNAME and...

DEBIAN-CVE-2026-90065

In the Linux kernel, the following vulnerability has been resolved: net/smc: release the internal TCP sock on IPPROTOSMC socket creation failure IPPROTOSMC sockets create an internal TCP sock "clcsock" from the proto-init hook. When socket creation fails after proto-init has run - e.g. a cgroup B...

CVE-2026-93150

CVE-2026-93150 affects the Linux kernel cgroup/cpuset subsystem. The root cause is a race condition on the nr_deadline_tasks variable in the cpuset structure: it can be concurrently modified by inc_dl_tasks_cs() (under rq->lock) and cpuset_attach() (under cpuset_mutex), leading to data corrupt...

CVE-2026-93150 cgroup/cpuset: Make nr_deadline_tasks an atomic_t

In the Linux kernel, the following vulnerability has been resolved: cgroup/cpuset: Make nrdeadlinetasks an atomict The nrdeadlinetasks variable in the cpuset structure was introduced by commit 6c24849f5515 "sched/cpuset: Keep track of SCHEDDEADLINE task in cpusets". It is reported by sashiko 1 th...

CVE-2026-93150 cgroup/cpuset: Make nr_deadline_tasks an atomic_t

In the Linux kernel, the following vulnerability has been resolved: cgroup/cpuset: Make nrdeadlinetasks an atomict The nrdeadlinetasks variable in the cpuset structure was introduced by commit 6c24849f5515 "sched/cpuset: Keep track of SCHEDDEADLINE task in cpusets". It is reported by sashiko 1 th...

EUVD-2026-81987

In the Linux kernel, the following vulnerability has been resolved: blk-cgroup: fix race between policy activation and blkg destruction When switching an IO scheduler on a block device, blkcgactivatepolicy allocates blkgpolicydata pd for all blkgs attached to the queue. However, blkcgactivatepoli...

CVE-2026-90326

A race condition in the Linux kernel's blk-cgroup subsystem can lead to a use-after-free and memory leak when switching an I/O scheduler on a block device. The race occurs between blkcg_activate_policy() and concurrent blkcg deletion: the rollback path may access already-freed policy data (pd), a...

CVE-2026-90326 blk-cgroup: fix race between policy activation and blkg destruction

In the Linux kernel, the following vulnerability has been resolved: blk-cgroup: fix race between policy activation and blkg destruction When switching an IO scheduler on a block device, blkcgactivatepolicy allocates blkgpolicydata pd for all blkgs attached to the queue. However, blkcgactivatepoli...

CVE-2026-90326 blk-cgroup: fix race between policy activation and blkg destruction

In the Linux kernel, the following vulnerability has been resolved: blk-cgroup: fix race between policy activation and blkg destruction When switching an IO scheduler on a block device, blkcgactivatepolicy allocates blkgpolicydata pd for all blkgs attached to the queue. However, blkcgactivatepoli...

CVE-2026-90325 blk-cgroup: skip dying blkg in blkcg_activate_policy()

In the Linux kernel, the following vulnerability has been resolved: blk-cgroup: skip dying blkg in blkcgactivatepolicy When switching IO schedulers on a block device, blkcgactivatepolicy can race with concurrent blkcg deletion, leading to a use-after-free in rcuacceleratecbs. T1: T2: blkgdestroy...

CVE-2026-90325 blk-cgroup: skip dying blkg in blkcg_activate_policy()

In the Linux kernel, the following vulnerability has been resolved: blk-cgroup: skip dying blkg in blkcgactivatepolicy When switching IO schedulers on a block device, blkcgactivatepolicy can race with concurrent blkcg deletion, leading to a use-after-free in rcuacceleratecbs. T1: T2: blkgdestroy...

EUVD-2026-81986

In the Linux kernel, the following vulnerability has been resolved: blk-cgroup: skip dying blkg in blkcgactivatepolicy When switching IO schedulers on a block device, blkcgactivatepolicy can race with concurrent blkcg deletion, leading to a use-after-free in rcuacceleratecbs. T1: T2: blkgdestroy...

CVE-2026-90313 bpf, cgroup: Fix invalid storage access after __cgroup_bpf_attach failed

In the Linux kernel, the following vulnerability has been resolved: bpf, cgroup: Fix invalid storage access after cgroupbpfattach failed A potential invalid storage access issue can occur after replacing a cgroup bpf prog. This occurs in the following scenario: 1. prog1 with storage is attached t...

EUVD-2026-81974

In the Linux kernel, the following vulnerability has been resolved: bpf, cgroup: Fix invalid storage access after cgroupbpfattach failed A potential invalid storage access issue can occur after replacing a cgroup bpf prog. This occurs in the following scenario: 1. prog1 with storage is attached t...