kernel: net/sched: cbs NULL pointer dereference when offloading is enabled

A NULL pointer dereference flaw was found in the Linux kernel's network scheduler. This issue occurs when offloading is enabled, the cbs instance is not added to the list. The code also incorrectly handles the case when offload is disabled without removing the qdisc. This could allow a local user...

PT-2025-20071

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 allo...

CVE-2019-19922: Uncontrolled Resource Consumption

kernel/sched/fair.c in the Linux kernel before 5.3.9, when cpu.cfsquotaus is used e.g., with Kubernetes, allows attackers to cause a denial of service against non-cpu-bound applications by generating a workload that triggers unwanted slice expiration, aka CID-de53fd7aedb1. In other words, althoug...

PT-2019-6417 · Openeuler +2 · Openeuler Kernel +2

Name of the Vulnerable Software and Affected Versions: openEuler kernel versions 4.19.90 through 4.19.90-2401.2 Description: The issue is related to a NULL Pointer Dereference vulnerability in the openEuler kernel on Linux, specifically in network modules, allowing Pointer Manipulation. This...

Important: Red Hat Security Advisory: kernel security and bug fix update

An update for kernel is now available for Red Hat Enterprise Linux 6. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from th...

CVE-2018-20784

In the Linux kernel before 4.20.2, kernel/sched/fair.c mishandles leaf cfsrq's, which allows attackers to cause a denial of service infinite loop in updateblockedaverages or possibly have unspecified other impact by inducing a high load...

CVE-2018-20784: Loop with Unreachable Exit Condition

In the Linux kernel before 4.20.2, kernel/sched/fair.c mishandles leaf cfsrq's, which allows attackers to cause a denial of service infinite loop in updateblockedaverages or possibly have unspecified other impact by inducing a high load...

Unbreakable Enterprise kernel security update

4.14.35-1818.5.4 - RDS: null pointer dereference in rdsatomicfreeop Mohamed Ghannam Orabug: 28020694 CVE-2018-5333 - x86/speculation: Make enhanced IBRS the default spectre v2 mitigation Alejandro Jimenez Orabug: 28474853 - x86/speculation: Enable enhanced IBRS usage Alejandro Jimenez Orabug:...

kernel security and bug fix update

2.6.32-696.3.1.OL6 - Update genkey bug 25599697 2.6.32-696.3.1 - netdrv be2net: Fix endian issue in logical link config command Ivan Vecera 1442979 1436527 - scsi lpfc: update for r 11.0.0.6 Maurizio Lombardi 1439636 1429881 - scsi lpfc: The lpfc driver does not issue RFFID and RFTID in the corre...

CVE-2017-7979

CVE-2017-7979 affects the Linux kernel 4.11.x via the packet action API (net/sched/act_api.c). The vulnerability arises from mishandling the tb nlattr array in the cookie feature, enabling a local attacker to trigger denial of service through uninitialized memory access and a refcount underflow, ...

CVE-2017-7979: Improper Input Validation

The cookie feature in the packet action API implementation in net/sched/actapi.c in the Linux kernel 4.11.x through 4.11-rc7 mishandles the tb nlattr array, which allows local users to cause a denial of service uninitialized memory access and refcount underflow, and system hang or crash or possib...

kernel security, bug fix, and enhancement update

2.6.32-696.OL6 - Update genkey bug 25599697 2.6.32-696 - net dccp: fix freeing skb too early for IPV6RECVPKTINFO Hannes Frederic Sowa 1424628 CVE-2017-6074 2.6.32-695 - block nvme: Dont poll device being removed David Milburn 1422521 2.6.32-694 - fs posixacl: Clear SGID bit when setting file...

openSUSE Security Update : the Linux Kernel (openSUSE-2016-1438)

The openSUSE 14.2 kernel was updated to receive various security and bugfixes. The following security bugs were fixed : - CVE-2016-9576: A use-after-free vulnerability in the SCSI generic driver allows users with write access to /dev/sg or /dev/bsg to elevate their privileges bsc1013604. The...

Oracle Linux 6 / 7 : Unbreakable Enterprise kernel (ELSA-2016-3635)

The remote Oracle Linux 6 / 7 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2016-3635 advisory. - sched: panic on corrupted stack end Jann Horn Orabug: 24971921 CVE-2016-1583 - ecryptfs: forbid opening files without mmap handler Jann Horn Orabug:...

OracleVM 3.3 : Unbreakable / etc (OVMSA-2016-0139)

The remote OracleVM system is missing necessary patches to address critical security updates : - HID: hiddev: validate numvalues for HIDIOCGUSAGES, HIDIOCSUSAGES commands Scott Bauer Orabug: 24798695 CVE-2016-5829 - Revert 'rds: skip rx/tx work when destroying connection' Brian Maly Orabug:...

Important: Red Hat Security Advisory: kernel security and bug fix update

An update for kernel is now available for Red Hat Enterprise Linux 6. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from th...

kernel security and bug fix update

2.6.32-642.4.2 - net tcp: make challenge acks less predictable Florian Westphal 1355606 1355607 CVE-2016-5696 2.6.32-642.4.1 - ipmi Remove smimsg from waitingrcvmsgs list before handleonerecvmsg David Arcari 1355980 1347189 - fs ext4: Remove useless spinlock in ext4getattr Lukas Czerner 1355981...

kernel security and bug fix update

2.6.32-642.3.1 - infiniband security: Restrict use of the write interface Don Dutile 1332547 1332548 CVE-2016-4565 2.6.32-642.2.1 - sched Revert 'kernel: sched: Cure load average vs NOHZ woes' Rafael Aquini 1343015 1326373 - sched Revert 'kernel: sched: Cure more NOHZ load average woes' Rafael...

Linux kernel information disclosure vulnerability (CNVD-2016-04424)

The Linux kernel is the kernel used by the operating system Linux, released by the Linux Foundation in the United States. A security vulnerability exists in the 'schedreadattr' function in the kernel/sched/core.c file in versions of Linux kernel 3.14-rc4 prior to 3.14-rc, which stems from a progr...

CVE-2014-9903: Exposure of Sensitive Information to an Unauthorized Actor

The schedreadattr function in kernel/sched/core.c in the Linux kernel 3.14-rc before 3.14-rc4 uses an incorrect size, which allows local users to obtain sensitive information from kernel stack memory via a crafted schedgetattr system call...