Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net: sched: flower: Protect flwalk with rcu. The patch that refactored flwalk to use idrforeachentrycontinueul also removed the rcu protection for individual filters. This caused a use-after-free when the filter was deleted...

CVE-2026-68138

CVE-2026-68138：Linux qdisc 速率表竞态导致本地 root 提权 本仓库包含针对 CVE-2026-68138 的概念验证型本地权限提升漏洞利用程序，该漏洞是 Linux 流量控制速率表代码中的一个竞态条件。在测试的 QEMU 环境中，该 PoC 可将初始用户命名空间中 UID 为 1000 的普通进程提升为 UID 为 0 的 shell。 警告 此代码会故意破坏内核堆状态。请仅在你拥有的一次性隔离虚拟机中使用。竞态失败或过早清理可能导致客户机内核崩溃。请勿在工作站、服务器或第三方系统上运行。 漏洞概要 qdiscgetrtab 和 qdiscputrtab...

CVE-2026-72338 net/sched: act_pedit: fix TOCTOU heap OOB write in tc offload

In the Linux kernel, the following vulnerability has been resolved: net/sched: actpedit: fix TOCTOU heap OOB write in tc offload There is a TOCTOU race condition in flower lockless approach between sizing a flowrule buffer and filling it. [email protected] reports: The clsflower...

EUVD-2023-39785

Malicious code in bioql PyPI...

Linux Distros Unpatched Vulnerability : CVE-2023-35788

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - An issue was discovered in flsetgeneveopt in net/sched/clsflower.c in the Linux kernel before 6.3.7. It allows an out-of-bounds write in the flower classifier...

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'...

UBUNTU-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'...

kernel: net/sched: flower: fix filter idr initialization

A flaw was found in the Linux kernel’s networking traffic control flower classifier. The initialization of the filter IDR was moved too early in the flchange path, allowing concurrent access by multiple users while the structure was still in an inconsistent state. Under certain conditions, this...

kernel: net/sched: flower: fix filter idr initialization

A flaw was found in the Linux kernel’s networking traffic control flower classifier. The initialization of the filter IDR was moved too early in the flchange path, allowing concurrent access by multiple users while the structure was still in an inconsistent state. Under certain conditions, this...

Important: kernel-livepatch-6.1.25-37.47

Issue Overview: A flaw was found in the Linux kernel's networking subsystem within the RPL protocol's handling. This issue results from the improper handling of user-supplied data, which can lead to an assertion failure. This flaw allows an unauthenticated, remote attacker to create a denial of...

Important: kernel-livepatch-6.1.27-43.48

Issue Overview: A flaw was found in the Linux kernel's networking subsystem within the RPL protocol's handling. This issue results from the improper handling of user-supplied data, which can lead to an assertion failure. This flaw allows an unauthenticated, remote attacker to create a denial of...

kernel: cls_flower: out-of-bounds write in fl_set_geneve_opt()

A flaw was found in the TC flower classifier clsflower in the Networking subsystem of the Linux kernel. This issue occurs when sending two TCAFLOWERKEYENCOPTSGENEVE packets with a total size of 252 bytes, which results in an out-of-bounds write when the third packet enters flsetgeneveopt,...

kernel: cls_flower: out-of-bounds write in fl_set_geneve_opt()

A flaw was found in the TC flower classifier clsflower in the Networking subsystem of the Linux kernel. This issue occurs when sending two TCAFLOWERKEYENCOPTSGENEVE packets with a total size of 252 bytes, which results in an out-of-bounds write when the third packet enters flsetgeneveopt,...

kernel: cls_flower: out-of-bounds write in fl_set_geneve_opt()

A flaw was found in the TC flower classifier clsflower in the Networking subsystem of the Linux kernel. This issue occurs when sending two TCAFLOWERKEYENCOPTSGENEVE packets with a total size of 252 bytes, which results in an out-of-bounds write when the third packet enters flsetgeneveopt,...

kernel: cls_flower: out-of-bounds write in fl_set_geneve_opt()

A flaw was found in the TC flower classifier clsflower in the Networking subsystem of the Linux kernel. This issue occurs when sending two TCAFLOWERKEYENCOPTSGENEVE packets with a total size of 252 bytes, which results in an out-of-bounds write when the third packet enters flsetgeneveopt,...

kernel: cls_flower: out-of-bounds write in fl_set_geneve_opt()

A flaw was found in the TC flower classifier clsflower in the Networking subsystem of the Linux kernel. This issue occurs when sending two TCAFLOWERKEYENCOPTSGENEVE packets with a total size of 252 bytes, which results in an out-of-bounds write when the third packet enters flsetgeneveopt,...

LSN-0097-1: Kernel Live Patch Security Notice

It was discovered that the IP-VLAN network driver for the Linux kernel did not properly initialize memory in some situations, leading to an out-of- bounds write vulnerability. An attacker could use this to cause a denial of service system crash or possibly execute arbitrary code.CVE-2023-3090...

kernel: cls_flower: out-of-bounds write in fl_set_geneve_opt()

A flaw was found in the TC flower classifier clsflower in the Networking subsystem of the Linux kernel. This issue occurs when sending two TCAFLOWERKEYENCOPTSGENEVE packets with a total size of 252 bytes, which results in an out-of-bounds write when the third packet enters flsetgeneveopt,...

kernel: cls_flower: out-of-bounds write in fl_set_geneve_opt()

A flaw was found in the TC flower classifier clsflower in the Networking subsystem of the Linux kernel. This issue occurs when sending two TCAFLOWERKEYENCOPTSGENEVE packets with a total size of 252 bytes, which results in an out-of-bounds write when the third packet enters flsetgeneveopt,...

kernel: cls_flower: out-of-bounds write in fl_set_geneve_opt()

A flaw was found in the TC flower classifier clsflower in the Networking subsystem of the Linux kernel. This issue occurs when sending two TCAFLOWERKEYENCOPTSGENEVE packets with a total size of 252 bytes, which results in an out-of-bounds write when the third packet enters flsetgeneveopt,...