kernel: net/sched: sch_hfsc UAF

A use-after-free flaw was found in the Linux kernel's net/sched: schhfsc HFSC qdisc traffic control component that can be exploited to achieve local privilege escalation. If a class with a link-sharing curve, for example, with the HFSCFSC flag set, has a parent without a link-sharing curve, then...

PT-2024-21614

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 6.8.0-05205-g77fadd89fe2d-dirty 213 Description The issue arises when the mirred action is used on a classful egress qdisc and a packet is mirrored or redirected to itself, resulting in a qdisc lock deadlock. Thi...

Important: Red Hat Security Advisory: kernel security update

An update for kernel is now available for Red Hat Enterprise Linux 7.6 Advanced Update Support. 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...

CVE-2024-26669

In the Linux kernel, the following vulnerability has been resolved: net/sched: flower: Fix chain template offload When a qdisc is deleted from a net device the stack instructs the underlying driver to remove its flow offload callback from the associated filter block using the 'FLOWBLOCKUNBIND'...

DEBIAN-CVE-2024-26669

In the Linux kernel, the following vulnerability has been resolved: net/sched: flower: Fix chain template offload When a qdisc is deleted from a net device the stack instructs the underlying driver to remove its flow offload callback from the associated filter block using the 'FLOWBLOCKUNBIND'...

AZL-58750 CVE-2024-26669 affecting package kernel 5.15.200.1-1

In the Linux kernel, the following vulnerability has been resolved: net/sched: flower: Fix chain template offload When a qdisc is deleted from a net device the stack instructs the underlying driver to remove its flow offload callback from the associated filter block using the 'FLOWBLOCKUNBIND'...

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 Linux kernel that stems from a memory leak vulnerability when qdisc is deleted...

CVE-2024-26669

In the Linux kernel, the following vulnerability has been resolved: net/sched: flower: Fix chain template offload When a qdisc is deleted from a net device the stack instructs the underlying driver to remove its flow offload callback from the associated filter block using the 'FLOWBLOCKUNBIND'...

CVE-2021-47175

In the Linux kernel, the following vulnerability has been resolved: net/sched: fqpie: fix OOB access in the traffic path the following script: tc qdisc add dev eth0 handle 0x1 root fqpie flows 2 tc qdisc add dev eth0 clsact tc filter add dev eth0 egress matchall action skbedit priority 0x10002 pi...

PT-2024-11222 · Linux +1 · Linux Kernel +1

Name of the Vulnerable Software and Affected Versions: Linux kernel versions prior to 5.12.0+ Description: The issue is related to an out-of-bounds access in the traffic path of the Linux kernel's fq pie module. This occurs when the fq pie qdisc enqueue function attempts to access memory beyond t...

SUSE CVE-2021-47125

In the Linux kernel, the following vulnerability has been resolved: schhtb: fix refcount leak in htbparenttoleafoffload The commit ae81feb7338c "schhtb: fix null pointer dereference on a null newq" fixes a NULL pointer dereference bug, but it is not correct. Because htbgrafthelper properly handle...

Ubuntu 14.04 LTS : Linux kernel vulnerabilities (USN-6699-1)

The remote Ubuntu 14.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-6699-1 advisory. Reima Ishii discovered that the nested KVM implementation for Intel x86 processors in the Linux kernel did not properly validate control registers in...

UBUNTU-CVE-2021-47125

In the Linux kernel, the following vulnerability has been resolved: schhtb: fix refcount leak in htbparenttoleafoffload The commit ae81feb7338c "schhtb: fix null pointer dereference on a null newq" fixes a NULL pointer dereference bug, but it is not correct. Because htbgrafthelper properly handle...

RHEL 8 : kernel-rt (RHSA-2024:1269)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2024:1269 advisory. The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirement...

CVE-2021-47014

In the Linux kernel, the following vulnerability has been resolved: net/sched: actct: fix wild memory access when clearing fragments while testing re-assembly/re-fragmentation using actct, it's possible to observe a crash like the following one: KASAN: maybe wild-memory-access in range...

CVE-2021-47014 net/sched: act_ct: fix wild memory access when clearing fragments

In the Linux kernel, the following vulnerability has been resolved: net/sched: actct: fix wild memory access when clearing fragments while testing re-assembly/re-fragmentation using actct, it's possible to observe a crash like the following one: KASAN: maybe wild-memory-access in range...

SUSE SLES15 Security Update : kernel RT (Live Patch 5 for SLE 15 SP5) (SUSE-SU-2024:0624-1)

The remote SUSE Linux SLES15 host has a package installed that is affected by multiple vulnerabilities as referenced in the SUSE-SU-2024:0624-1 advisory. This update for the Linux Kernel 5.14.21-1505001318 fixes several issues. The following security issues were fixed: - CVE-2023-4921: Fixed a...

kernel: net/sched: sch_hfsc UAF

A use-after-free flaw was found in the Linux kernel's net/sched: schhfsc HFSC qdisc traffic control component that can be exploited to achieve local privilege escalation. If a class with a link-sharing curve, for example, with the HFSCFSC flag set, has a parent without a link-sharing curve, then...

kernel: net/sched: sch_hfsc UAF

A use-after-free flaw was found in the Linux kernel's net/sched: schhfsc HFSC qdisc traffic control component that can be exploited to achieve local privilege escalation. If a class with a link-sharing curve, for example, with the HFSCFSC flag set, has a parent without a link-sharing curve, then...

kernel: NULL pointer dereference in traffic control subsystem

A NULL pointer dereference flaw was found in qdiscgraft in net/sched/schapi.c in the Linux kernel. This issue may allow a local unprivileged user to trigger a denial of service if the allocworkqueue function return is not validated in time of failure, resulting in a system crash or leaked interna...