Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: sched/smt: Fixed the imbalance in schedsmtpresent. I received the following warning during the stress test: jump label: negative count! WARNING: CPU: 3, PID: 38, at kernel/jumplabel.c:263, statickeyslowtrydec+0x9d/0xb0 Call Trace...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: In the net: sched subsystem, there is a issue with schmultiq. A possible out-of-bounds write may occur during the multiqtune function. The q-bands fields will be assigned to qopt-bands to execute subsequent code logic after...

Important: kernel

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: gpiolib: cdev: Fix use after free in lineinfochangednotify CVE-2024-36899 In the Linux kernel, the following vulnerability has been resolved: bpf: Fix overloading of MEMUNINIT's meaning CVE-2024-50164 In the Linux...

Security update for the Linux Kernel

The SUSE Linux Enterprise Micro 6.0 RT kernel was updated to receive various security bugfixes. The following security bugs were fixed: CVE-2023-52489: mm/sparsemem: fix race in accessing memorysection-usage bsc1221326. CVE-2023-52581: netfilter: nftables: fix memleak when more than 255 elements...

Vulnerability of components of Linux operating system’s kernel’s net/sched module, allowing a hacker to cause a service failure

The vulnerability of the net/sched components in the Linux operating system’s kernel is related to improper locking mechanisms. Exploiting this vulnerability can allow an attacker to cause a service failure...

sched/numa: Fix the potential null pointer dereference in task_numa_work()

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SUSE CVE-2025-21657

In the Linux kernel, the following vulnerability has been resolved: schedext: Replace rqlock to rawspinrqlock in scxopsbypass scxopsbypass iterates all CPUs to re-enqueue all the scx tasks. For each CPU, it acquires a lock using rqlock regardless of whether a CPU is offline or the CPU is currentl...

DEBIAN-CVE-2025-21657

In the Linux kernel, the following vulnerability has been resolved: schedext: Replace rqlock to rawspinrqlock in scxopsbypass scxopsbypass iterates all CPUs to re-enqueue all the scx tasks. For each CPU, it acquires a lock using rqlock regardless of whether a CPU is offline or the CPU is currentl...

UBUNTU-CVE-2025-21657

In the Linux kernel, the following vulnerability has been resolved: schedext: Replace rqlock to rawspinrqlock in scxopsbypass scxopsbypass iterates all CPUs to re-enqueue all the scx tasks. For each CPU, it acquires a lock using rqlock regardless of whether a CPU is offline or the CPU is currentl...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. Linux kernel has a security vulnerability that stems from the use of an inappropriate lock in the scxopsbypass function in the schedext module. This could lead to unwanted...

DEBIAN-CVE-2025-21647

In the Linux kernel, the following vulnerability has been resolved: sched: schcake: add bounds checks to host bulk flow fairness counts Even though we fixed a logic error in the commit cited below, syzbot still managed to trigger an underflow of the per-host bulk flow counters, leading to an out ...

UBUNTU-CVE-2025-21653

In the Linux kernel, the following vulnerability has been resolved: netsched: clsflow: validate TCAFLOWRSHIFT attribute syzbot found that TCAFLOWRSHIFT attribute was not validated. Right shitfing a 32bit integer is undefined for large shift values. UBSAN: shift-out-of-bounds in...

UBUNTU-CVE-2025-21647

In the Linux kernel, the following vulnerability has been resolved: sched: schcake: add bounds checks to host bulk flow fairness counts Even though we fixed a logic error in the commit cited below, syzbot still managed to trigger an underflow of the per-host bulk flow counters, leading to an out ...

SUSE CVE-2024-57891

In the Linux kernel, the following vulnerability has been resolved: schedext: Fix invalid irq restore in scxopsbypass While adding outer irqsave/restore locking, 0e7ffff1b811 "scx: Fix raciness in scxopsbypass" forgot to convert an inner rqunlockirqrestore to rqunlock which could re-enable IRQ...

DEBIAN-CVE-2024-57891

In the Linux kernel, the following vulnerability has been resolved: schedext: Fix invalid irq restore in scxopsbypass While adding outer irqsave/restore locking, 0e7ffff1b811 "scx: Fix raciness in scxopsbypass" forgot to convert an inner rqunlockirqrestore to rqunlock which could re-enable IRQ...

CLSA-2025-1736778412 kernel: Fix of 17 CVEs

tracing: Free buffers when a used dynamic event is removed CVE-2022-49006 - ASoC: ops: Check bounds for second channel in sndsocputvolswsx CVE-2022-48951 - ext4: fix slab-use-after-free in ext4splitextentat CVE-2024-49884 - ext4: fix bug on in ext4escacheextent as ext4splitextentat failed...

SUSE CVE-2024-41932

In the Linux kernel, the following vulnerability has been resolved: sched: fix warning in schedsetaffinity Commit 8f9ea86fdf99b added some logic to schedsetaffinity that included a WARN when a per-task affinity assignment races with a cpuset update. Specifically, we can have a race where a cpuset...

SUSE CVE-2024-46896

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: don't access invalid sched Since 2320c9e6a768 "drm/sched: memset 'job' in drmschedjobinit" accessing job-base.sched can produce unexpected results as the initialisation of job-base.sched done in amdgpujoballoc is...

SUSE CVE-2024-49573

In the Linux kernel, the following vulnerability has been resolved: sched/fair: Fix NEXTBUDDY Adam reports that enabling NEXTBUDDY insta triggers a WARN in picknextentity. Moving clearbuddies up before the delayed dequeue bits ensures no -next buddy becomes delayed. Further ensure no new -next...

DEBIAN-CVE-2024-49573

In the Linux kernel, the following vulnerability has been resolved: sched/fair: Fix NEXTBUDDY Adam reports that enabling NEXTBUDDY insta triggers a WARN in picknextentity. Moving clearbuddies up before the delayed dequeue bits ensures no -next buddy becomes delayed. Further ensure no new -next...