Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: bpf: Added bpfprogrundatapointers syzbot found that clsbpfclassify can change tcskbcbskb-dropreason, triggering a warning in skskbreasonDrop. WARNING: CPU: 0, PID: 5965, at net/core/skbuff.c:1192 skskbreasonDrop,...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net/sched: schtaprio: properly canceled the timer from tapriodestroy There is a comment in qdisccreate regarding the fact that we do not call ops-reset in some cases. errout4: “Any broken qdiscs that would require an ops-reset...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: net:sched: fixed a possible refcount leak in tcnewtfilter. It is necessary to call tfilterput to store the refcount obtained from tp-ops-get, to avoid possible refcount leaks when chain-tmpltops != NULL and chain-tmpltops !=...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: block, bfq: fixed the UAF in wakerbfqq after bfqsplitbfqq Our syzkaller report identifies the following UAF for v6.6: BUG: KASAN: slab-use-after-free in bfqinitrq+0x175d/0x17a0 block/bfq-iosched.c:6958 A size 8 read at address...

Astra Linux – Vulnerability in Linux 6.1, Linux, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: drm/amdgpu: fix usage of slab after free +0.000021 BUG: KASAN: slab-use-after-free in drmschedentityflush+0x6cb/0x7a0 gpusched +0.000027 Reading of size 8 at address ffff8881b8605f88 by task amdpciunplug/2147 +0.000023 CPU: 6...

Astra Linux – Vulnerability in cups

OpenPrinting CUPS is an open-source printing system for Linux and other Unix-like operating systems. In versions 2.4.16 and earlier, there was a heap-based buffer overflow in the CUPS scheduler when constructing filter option strings from job attributes. As of publication, there are no publicly...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/fence: Fixed an oops due to incorrect initialization of drmsched before its fini. Currently, amdgpu calls drmschedfini from the fence driver’s fini routine. Such a call is expected to occur only after the respective in...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: net/sched: schtaprio: fixed possible use-after-free issue. syzbot reported a serious crash 1 in nettxaction, which made no sense until we obtained a reproducible example. This example reinstalls the taprio qdisc, but an invali...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: net/sched: netem: account for backlog updates from child qdisc Generally, the qlen of any classful qdisc should reflect the number of packets held by the qdisc itself and all its children. In the case of netem, qlen only accounts...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: drm/sched: Avoid data corruption. Wait for all dependencies of a task to complete before terminating it, to prevent data corruption...

Astra Linux – Vulnerability in Linux 5.10, Linux, Linux 5.15

A use-after-free vulnerability in the Linux kernel’s net/sched:clsRoute component can be exploited to achieve local privilege escalation. When the route4change function is called on an existing filter, the entire tcfresult struct is always copied into the new instance of the filter. This creates ...

CVE-2026-74638

A flaw was found in the Linux kernel's drm/v3d driver. This vulnerability arises from concurrent handling of scheduler timeout events across different hardware queues, which share a single global reset mechanism. When a reset occurs in one queue while another is processing a timeout, the...

SUSE CVE-2026-74731

In the Linux kernel, the following vulnerability has been resolved: schedext: Skip sub-disable teardown for never-linked sub-schedulers A sub-scheduler enable can fail before scxlinksched links the sched into the hierarchy, e.g. when the parent is already being disabled, and cleanup still runs th...

CVE-2026-74731

In the Linux kernel, the following vulnerability has been resolved: schedext: Skip sub-disable teardown for never-linked sub-schedulers A sub-scheduler enable can fail before scxlinksched links the sched into the hierarchy, e.g. when the parent is already being disabled, and cleanup still runs th...

CVE-2026-74638

In the Linux kernel, the following vulnerability has been resolved: drm/v3d: Serialize the scheduler timeout handlers V3D exposes several independent hardware queues BIN, RENDER, TFU and CSD but has only a single, global reset. A timeout on any one queue therefore has to stop, reset and restart t...

AZL-97143 CVE-2026-74620 affecting package kernel 6.6.150.1-1

In the Linux kernel, the following vulnerability has been resolved: net/sched: actgact, actpolice: range check the fallback control action tcfactioncheckctrlact range checks the primary control action: if !opcode ret = action TCACTVALUEMAX ? -EINVAL : 0; TCACTVALUEMAX is TCACTTRAP, so...

CVE-2026-74594

In the Linux kernel, the following vulnerability has been resolved: sched/psi: Shut down rtpolltimer in psicgroupfree psischedulertpollwork is called locklessly from the scheduler hotpath and can race psitriggerdestroy taking down the last rtpoll trigger under rtpolltriggerlock:...

CVE-2026-74731

In the Linux kernel, the following vulnerability has been resolved: schedext: Skip sub-disable teardown for never-linked sub-schedulers A sub-scheduler enable can fail before scxlinksched links the sched into the hierarchy, e.g. when the parent is already being disabled, and cleanup still runs th...

UBUNTU-CVE-2026-74594

In the Linux kernel, the following vulnerability has been resolved: sched/psi: Shut down rtpolltimer in psicgroupfree psischedulertpollwork is called locklessly from the scheduler hotpath and can race psitriggerdestroy taking down the last rtpoll trigger under rtpolltriggerlock:...

UBUNTU-CVE-2026-74731

In the Linux kernel, the following vulnerability has been resolved: schedext: Skip sub-disable teardown for never-linked sub-schedulers A sub-scheduler enable can fail before scxlinksched links the sched into the hierarchy, e.g. when the parent is already being disabled, and cleanup still runs th...