CVE-2026-52980

A flaw was found in the Linux kernel's sched/fair scheduler. When a new schedentity is forked, its reldeadline may be unexpectedly set, leading to an abnormally large deadline value. If the task later calls schedyield, this inflated deadline can cause an overflow in vruntime calculations. This ca...

CVE-2026-52980

CVE-2026-52980 concerns the Linux kernel sched/fair subsystem. Connected sources describe a bug where, when a new sched_entity is forked, its se->rel_deadline may still be set and cause the scheduler to treat the deadline as relative, converting it to an absolute value by adding the current vr...

CVE-2026-52980 sched/fair: Clear rel_deadline when initializing forked entities

In the Linux kernel, the following vulnerability has been resolved: sched/fair: Clear reldeadline when initializing forked entities A yield-triggered crash can happen when a newly forked schedentity enters the fair class with se-reldeadline unexpectedly set. The failing sequence is: 1. A task is...

PT-2026-51874

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A crash can occur when a newly forked sched entity enters the fair class with se-rel deadline unexpectedly set. This happens because the sched fork function fails to clear rel deadline...

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: sched/fair: Do not balance tasks to their current running CPUs. We encountered a situation where the balancer attempts to balance a migrated task with disabled status, triggering a warning in settaskcpu. The detailed error messag...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: sched/fair: This bug prevents dead task groups from regaining access to cfsrq. Kevin is reporting crashes that indicate a use-after-free of cfsrq in the function updateblockedaverages. Initial debugging revealed that cfsrq...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: sched/fair: Fixed the issue with zerovruntime tracking. John reported that stress-ng-yield could cause his machine to behave abnormally. He managed to bisect the process to commit the change using the code b3d99f43c72b...

EUVD-2026-28607

In the Linux kernel, the following vulnerability has been resolved: sched/fair: Fix zerovruntime tracking fix John reported that stress-ng-yield could make his machine unhappy and managed to bisect it to commit b3d99f43c72b "sched/fair: Fix zerovruntime tracking". The combination of yield and tha...

UBUNTU-CVE-2026-43323

In the Linux kernel, the following vulnerability has been resolved: sched/fair: Fix zerovruntime tracking fix John reported that stress-ng-yield could make his machine unhappy and managed to bisect it to commit b3d99f43c72b "sched/fair: Fix zerovruntime tracking". The combination of yield and tha...

CVE-2026-43323

CVE-2026-43323 refers to a Linux kernel scheduler flaw in the fair scheduling component where zero_vruntime tracking could become inconsistent under certain conditions (e.g., frequent yield and multi‑cgroup scenarios). The linked sources describe a specific scenario with two runnable tasks exchan...

CVE-2026-43323 sched/fair: Fix zero_vruntime tracking fix

In the Linux kernel, the following vulnerability has been resolved: sched/fair: Fix zerovruntime tracking fix John reported that stress-ng-yield could make his machine unhappy and managed to bisect it to commit b3d99f43c72b "sched/fair: Fix zerovruntime tracking". The combination of yield and tha...

CVE-2026-43323

In the Linux kernel, the following vulnerability has been resolved: sched/fair: Fix zerovruntime tracking fix John reported that stress-ng-yield could make his machine unhappy and managed to bisect it to commit b3d99f43c72b "sched/fair: Fix zerovruntime tracking". The combination of yield and tha...

Linux kernel 安全漏洞

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the zerovruntime tracking fix in sched/fair. This vulnerability may lead to abnormal task...

PT-2026-38974

In the Linux kernel, the following vulnerability has been resolved: sched/fair: Fix zero vruntime tracking fix John reported that stress-ng-yield could make his machine unhappy and managed to bisect it to commit b3d99f43c72b "sched/fair: Fix zero vruntime tracking". The combination of yield and...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-005505)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-005505 advisory. In the Linux kernel, the following vulnerability has been resolved: sched/fair: Don't balance task to its current running CPU We've run into the case that the balanc...

Unity Linux 20.1070a Security Update: kernel (UTSA-2026-005710)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-005710 advisory. In the Linux kernel, the following vulnerability has been resolved: sched/fair: Don't balance task to its current running CPU We've run into the case that the balanc...

Unity Linux 20.1070e Security Update: kernel (UTSA-2025-992580)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-992580 advisory. In the Linux kernel, the following vulnerability has been resolved: sched/fair: Don't balance task to its current running CPU We've run into the case that the balanc...

RockyLinux 10 : kernel (RLSA-2025:8374)

The remote RockyLinux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2025:8374 advisory. kernel: sched/fair: Fix potential memory corruption in childcfsrqonlist CVE-2025-21919 kernel: cifs: Fix integer overflow while processing acregmax moun...

kernel security update

An update is available for kernel. This update affects Rocky Linux 9. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list The kernel packages contain the Linux kernel, the core of any Linux operating...

EUVD-2023-59869

Malicious code in bioql PyPI...