CVE-2026-46331

🚨 CVE-2026-46331 - Linux Kernel COW Bug Linux Kernel net/sched Partial Copy-on-Write COW Page Cache Corruption -orange?style=for-the-badge A Linux kernel vulnerability caused by incorrect Copy-on-Write COW handling in the traffic control tc packet editing subsystem. 📖 Overview CVE-2026-46331 is a...

Linux Distros Unpatched Vulnerability : CVE-2026-90058

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - net/sched: bound qdiscpktlen to prevent qdisc soft lockup qdiscgetstab accepts a user-supplied size table, and qdisccalculatepktlen amplifies qdiscpktlen throug...

Linux Distros Unpatched Vulnerability : CVE-2026-90099

"The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - net/sched: account classifier filter allocations to memcg Allocations in the tc classifier change paths filter objects, per-CPU counters, and per-filter aux da...

AZL-102560 CVE-2026-90099 affecting package kernel 6.6.150.1-1

In the Linux kernel, the following vulnerability has been resolved: net/sched: account classifier filter allocations to memcg Allocations in the tc classifier change paths filter objects, per-CPU counters, and per-filter aux data use plain GFPKERNEL without GFPACCOUNT, allowing unprivileged users...

AZL-102933 CVE-2026-90058 affecting package kernel 6.6.150.1-1

In the Linux kernel, the following vulnerability has been resolved: net/sched: bound qdiscpktlen to prevent qdisc soft lockup qdiscgetstab accepts a user-supplied size table, and qdisccalculatepktlen amplifies qdiscpktlen through the overhead, the size-table data u16, and sizelog up to...

EUVD-2026-81702

In the Linux kernel, the following vulnerability has been resolved: net: sched: fix 32-bit backlog wrap in gred, bfifo and plug enqueue gredenqueue, bfifoenqueue and plugenqueue admit a packet when the current backlog plus the packet length fits within the queue limit: sch-qstats.backlog +...

CVE-2026-90109 net: sched: fix 32-bit backlog wrap in gred, bfifo and plug enqueue

In the Linux kernel, the following vulnerability has been resolved: net: sched: fix 32-bit backlog wrap in gred, bfifo and plug enqueue gredenqueue, bfifoenqueue and plugenqueue admit a packet when the current backlog plus the packet length fits within the queue limit: sch-qstats.backlog +...

CVE-2026-90099

CVE-2026-90099 affects the Linux kernel's net/sched (traffic control) subsystem. Allocations in tc classifier *_change() paths use GFP_KERNEL without __GFP_ACCOUNT , allowing unprivileged users in a user+network namespace to pin kernel memory outside memcg charging by creating large numbers of tc...

EUVD-2026-81960

In the Linux kernel, the following vulnerability has been resolved: net/sched: account classifier filter allocations to memcg Allocations in the tc classifier change paths filter objects, per-CPU counters, and per-filter aux data use plain GFPKERNEL without GFPACCOUNT, allowing unprivileged users...

CVE-2026-90099 net/sched: account classifier filter allocations to memcg

In the Linux kernel, the following vulnerability has been resolved: net/sched: account classifier filter allocations to memcg Allocations in the tc classifier change paths filter objects, per-CPU counters, and per-filter aux data use plain GFPKERNEL without GFPACCOUNT, allowing unprivileged users...

CVE-2026-90058 net/sched: bound qdisc_pkt_len to prevent qdisc soft lockup

In the Linux kernel, the following vulnerability has been resolved: net/sched: bound qdiscpktlen to prevent qdisc soft lockup qdiscgetstab accepts a user-supplied size table, and qdisccalculatepktlen amplifies qdiscpktlen through the overhead, the size-table data u16, and sizelog up to...

CVE-2026-90058

CVE-2026-90058 is a Linux kernel vulnerability in the net/sched subsystem. The root cause is that qdisc_get_stab() accepts a user-supplied size table, and __qdisc_calculate_pkt_len() amplifies qdisc_pkt_len() through overhead, size-table data (u16), and size_log, allowing a crafted stab to set th...

CVE-2026-46331

PACKETEDITMEME - CVE-2026-46331 net/sched actpedit partial-COW page-cache corruption culprit 899ee91156e5, present v5.18 .. fixed v7.1-rc7. packeteditmeme.c turns it into unprivileged local root: a userns CAPNETADMIN child overwrites the cached ELF metadata of a setuid-root binary with...

cve-2026-46331-audit

cve-2026-46331-audit Read-only audit script for CVE-2026-46331 a.k.a. pedit COW — a partial copy-on-write bug in the Linux kernel's net/sched actpedit action that lets a local unprivileged user corrupt page cache memory and escalate to root. root@kitploit: | | | \ | | / / \ \ / / | | | | | | | | ...

CVE-2026-68138

CVE-2026-68138 — Linux 内核 net/sched qdisc 速率表 UAF 跟踪站点 CVE-2026-68138 补丁状态跟踪器的来源：一个单页站点，记录哪些发行版已为 Linux 内核中 net/sched qdisc 速率表的释放后使用 / 双重释放（use-after-free / double-free）漏洞发布了修复。 事实所在 关于该漏洞的所有信息——CVE ID、受影响版本和已修复版本、上游修复提交、发现与披露致谢，以及当前各发行版的补丁状态——均属于跟踪器页面，而非本 README： 渲染页面：...

packet_edit_meme

PACKETEDITMEME - 又名 CVE-2026-46331 net/sched actpedit 部分COW页缓存损坏 罪魁祸首 899ee91156e5， 存在 v5.18 .. 已修复 v7.1-rc7。packeteditmeme.c 将其转化为无特权本地 root：一个 userns CAPNETADMIN 子进程覆盖了 setuid-root /bin/su 的缓存 ELF 入口，使用 setgid0+setuid0+execve"/bin/sh" shellcode。 root@kitploit: make ./packeteditmeme...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: net/sched: taprio: avoid disabling offload when it was never enabled In a rather strange API design decision, qdisc-destroy is called even if qdisc-init never succeeded. This isn’t exclusive to the commit 87b60cfacf9f “netsched:...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net/sched: actskbedit: fix divide-by-zero in tcfskbedithash Commit 38a6f0865796 “net: sched: support hash selecting tx queue” added support for SKBEDITFTXQSKBHASH. The inclusive range size is computed as follows: mappingmod =...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: netsched: schsfq: rejecting invalid perturb periods. Gerrard Tai reported that the perturbperiod of SFQ does not have a range check yet, and this could be exploited to trigger a race condition, which has been fixed in a separa...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net/sched: clsu32: use skbheaderpointercareful skbheaderpointer does not fully validate negative @offset values. Use skbheaderpointercareful instead. GangMin Kim provided a report and a reproduction example for u32classify: Bug:...