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. A security vulnerability exists in the Linux kernel that stems from schedyield not being properly scheduled in time travel mode, which could lead to a deadlock...

DEBIAN-CVE-2025-37821

In the Linux kernel, the following vulnerability has been resolved: sched/eevdf: Fix se-slice being set to U64MAX and resulting crash There is a code path in dequeueentities that can set the slice of a schedentity to U64MAX, which sometimes results in a crash. The offending case is when...

UBUNTU-CVE-2025-37823

In the Linux kernel, the following vulnerability has been resolved: netsched: hfsc: Fix a potential UAF in hfscdequeue too Similarly to the previous patch, we need to safe guard hfscdequeue too. But for this one, we don't have a reliable reproducer...

UBUNTU-CVE-2025-37821

In the Linux kernel, the following vulnerability has been resolved: sched/eevdf: Fix se-slice being set to U64MAX and resulting crash There is a code path in dequeueentities that can set the slice of a schedentity to U64MAX, which sometimes results in a crash. The offending case is when...

CVE-2025-37821 sched/eevdf: Fix se->slice being set to U64_MAX and resulting crash

In the Linux kernel, the following vulnerability has been resolved: sched/eevdf: Fix se-slice being set to U64MAX and resulting crash There is a code path in dequeueentities that can set the slice of a schedentity to U64MAX, which sometimes results in a crash. The offending case is when...

CVE-2025-37821

The CVE-2025-37821 issue in the Linux kernel’s scheduler (eevdf) caused se->slice to be set to U64_MAX during a complex dequeue sequence, leading to a large, destabilizing vruntime/vlag mismatch and a potential crash. The root cause was that, when dequeuing a delayed group entity whose parent ...

CVE-2020-36791

In the Linux kernel, the following vulnerability has been resolved: netsched: keep allochash updated after hash allocation In commit 599be01ee567 "netsched: fix an OOB access in clstcindex" I moved cp-hash calculation before the first tcindexallocperfecthash, but cp-allochash is left untouched...

PT-2025-20071 · Linux · Linux Kernel

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: A vulnerability in the Linux kernel has been resolved, related to the net sched component. The issue arises from the cp-alloc hash not being updated after hash allocation in tcindex...

Online Class and Exam Scheduling System class_sched.php file cross-site scripting vulnerability

Online Class and Exam Scheduling System is an online class and exam scheduling system. A cross-site scripting vulnerability exists in Online Class and Exam Scheduling System, which stems from a lack of validation of the class parameter in the file /Scheduling/pages/classsched.php against an...

sched/fair: Fix potential memory corruption in child_cfs_rq_on_list

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UBUNTU-CVE-2025-37752

In the Linux kernel, the following vulnerability has been resolved: netsched: schsfq: move the limit validation It is not sufficient to directly validate the limit on the data that the user passes as it can be updated based on how the other parameters are changed. Move the check at the end of the...

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 resource management errors. Exploiting this vulnerability can allow an attacker to cause service failures...

PT-2025-22175

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A vulnerability in the Linux kernel has been resolved, related to the net sched component, specifically the qfq queueing discipline. The issue arises when a netem child qdisc causes the...

PT-2025-22176

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A vulnerability in the Linux kernel has been resolved, related to the net sched: ets, where a netem child qdisc can cause the parent qdisc's enqueue callback to be reentrant. This can le...

net/sched: cls_api: fix error handling causing NULL dereference

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PT-2025-18433

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 6.14.0-rc2-syzkaller Description The issue is related to the Linux kernel's net sched module, specifically the sch sfq component. It is not sufficient to directly validate the limit on the data that the user...

CVE-2025-21995

In the Linux kernel, the following vulnerability has been resolved: drm/sched: Fix fence reference count leak The lastscheduled fence leaks when an entity is being killed and adding the cleanup callback fails. Decrement the reference count of prev when dmafenceaddcallback fails, ensuring proper...

CVE-2025-21995 drm/sched: Fix fence reference count leak

In the Linux kernel, the following vulnerability has been resolved: drm/sched: Fix fence reference count leak The lastscheduled fence leaks when an entity is being killed and adding the cleanup callback fails. Decrement the reference count of prev when dmafenceaddcallback fails, ensuring proper...

kernel: net/sched: Fix mirred deadlock on device recursion

In the Linux kernel, the following vulnerability has been resolved: net/sched: Fix mirred deadlock on device recursion The Linux kernel CVE team has assigned CVE-2024-27010 to this issue. Upstream advisory: https://lore.kernel.org/linux-cve-announce/2024050148-CVE-2024-27010-5a68@gregkh/T...

AZL-59966 CVE-2025-21919 affecting package kernel for versions less than 5.15.180.1-1

In the Linux kernel, the following vulnerability has been resolved: sched/fair: Fix potential memory corruption in childcfsrqonlist childcfsrqonlist attempts to convert a 'prev' pointer to a cfsrq. This 'prev' pointer can originate from struct rq's leafcfsrqlist, making the conversion invalid and...