CVE-2025-21692-poc

CVE-2025-21692-poc This is code for my exploit of the CVE-2025-21692 ets qdisc vulnerability, which accompanies my writeup. Bear in mind that as specified in the writeup the kernel version was patched to enable the vulnerability, 6.6.75 is not vulnerable without removing the patch, but on older,...

CVE-2015-8299

knAx20150101 Title: Remote code execution vulnerability in the KNX management software ETS Category/Abstract: Buffer overflow vulnerability Product: ETS Engineering Tool Software Affected versions: ETS 4.1.5 Build 3246 no other versions tested Fixed in version: unknown Vendor: KNX Association...

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

In the Linux kernel, the following vulnerability has been resolved: net/sched: ets: using the old ‘nbands’ value while purging unused classes Shuang reported that the schets test case crashes in etsclassqlennotify after recent changes made by Lion 2. The issue arises when performing etsqdiscchang...

Astra Linux – vulnerability in linux-5.10, linux-6.1, linux-5.15

In the Linux kernel, the following vulnerability has been resolved: net/sched: ets: Always remove class from active list before deleting in etsqdiscchange [email protected] says: The vulnerability is a race condition between etsqdiscdequeue and etsqdiscchange. It leads to a UAF on...

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

In the Linux kernel, the following vulnerability has been resolved: net/sched: ets: Remove a drr class from the active list if it changes to strict. Whenever a user issues a ets qdisc change command, transforming a drr class into a strict one, the ets code does not check whether that class was in...

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

In the Linux kernel, the following vulnerability has been resolved: net: sched: fix ets qdisc OOB Indexing Haowei Yan discovered that etsclassfromarg can index an Out-Of-Bound class when the clid of 0 is passed. This may lead to local privilege escalation. 18.852298 ------------ Cut here ---...

Astra Linux – vulnerability in linux-5.10

In the Linux kernel, the following vulnerability has been resolved: net/sched: schets: do not remove idle classes from the round-robin list Shuang reported that the following script: 1 tc qdisc add dev ddd0 handle 10: parent 1: ets bands 8 strict 4 priomap 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 2...

Astra Linux – vulnerability in linux-5.10, linux-6.1, linux-5.15

In the Linux kernel, the following vulnerability has been resolved: netsched: ets: fix a race in etsqdiscchange Gerrard Tai reported a race condition in ETS, where the SFQ perturb timer fires at the wrong time. The race sequence is as follows: CPU 0 CPU 1 1: lock root 2: qdisctreeflushbacklog 3:...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net/sched: schets: do not peek at classes beyond ‘nbands’ When the number of DRR classes decreases, the round-robin active list may contain elements that have already been freed in etsqdiscchange. As a result, it’s possible to...

SUSE CVE-2026-98009

In the Linux kernel, the following vulnerability has been resolved: net/sched: ets: clamp quantum in parse and fallback paths etsqdiscchange falls back to pschedmtu with no floor for bands without an explicit quantum. With a crafted size table qdiscpktlen reaches 2 GiB, so a zero pschedmtu on a...

Rocky Linux 9 [CIQ] Security Update: kernel / kernel-64k / kernel-64k-core / kernel-64k-debug / etc Multiple Vulnerabilities (crlsa-2026_36957)

The Rocky Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-202636957 advisory. kernel: net/sched: ets: Always remove class from active list before deleting in etsqdiscchange CVE-2025-71066 kernel: KVM: x86: Fix shadow paging...

Rocky Linux 10.0 [CIQ] Security Update: kernel / kernel-64k / kernel-64k-core / kernel-64k-debug / etc Multiple Vulnerabilities (crlsa-2025_14510)

The Rocky Linux 10.0 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-202514510 advisory. kernel: netsched: ets: Fix double list add in class with netem as child qdisc CVE-2025-37914 kernel: i40e: fix MMIO write access to an invalid page in...

DEBIAN-CVE-2026-98009

In the Linux kernel, the following vulnerability has been resolved: net/sched: ets: clamp quantum in parse and fallback paths etsqdiscchange falls back to pschedmtu with no floor for bands without an explicit quantum. With a crafted size table qdiscpktlen reaches 2 GiB, so a zero pschedmtu on a...

CVE-2026-98009

In the Linux kernel, the following vulnerability has been resolved: net/sched: ets: clamp quantum in parse and fallback paths etsqdiscchange falls back to pschedmtu with no floor for bands without an explicit quantum. With a crafted size table qdiscpktlen reaches 2 GiB, so a zero pschedmtu on a...

AZL-104865 CVE-2026-98009 affecting package kernel 6.6.157.1-1

In the Linux kernel, the following vulnerability has been resolved: net/sched: ets: clamp quantum in parse and fallback paths etsqdiscchange falls back to pschedmtu with no floor for bands without an explicit quantum. With a crafted size table qdiscpktlen reaches 2 GiB, so a zero pschedmtu on a...

CVE-2026-98009 net/sched: ets: clamp quantum in parse and fallback paths

In the Linux kernel, the following vulnerability has been resolved: net/sched: ets: clamp quantum in parse and fallback paths etsqdiscchange falls back to pschedmtu with no floor for bands without an explicit quantum. With a crafted size table qdiscpktlen reaches 2 GiB, so a zero pschedmtu on a...

CVE-2026-98009

The Linux kernel contains a vulnerability in the net/sched: ets component where the ets_qdisc_change() function falls back to psched_mtu() without a floor for bands lacking an explicit quantum. An attacker with CAP_NET_ADMIN privileges can use a crafted size table to cause qdisc_pkt_len to reach ...

CVE-2026-98009 net/sched: ets: clamp quantum in parse and fallback paths

In the Linux kernel, the following vulnerability has been resolved: net/sched: ets: clamp quantum in parse and fallback paths etsqdiscchange falls back to pschedmtu with no floor for bands without an explicit quantum. With a crafted size table qdiscpktlen reaches 2 GiB, so a zero pschedmtu on a...

CVE-2026-98009

In the Linux kernel, the following vulnerability has been resolved: net/sched: ets: clamp quantum in parse and fallback paths etsqdiscchange falls back to pschedmtu with no floor for bands without an explicit quantum. With a crafted size table qdiscpktlen reaches 2 GiB, so a zero pschedmtu on a...

CVE-2026-98009: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: net/sched: ets: clamp quantum in parse and fallback paths etsqdiscchange falls back to pschedmtu with no floor for bands without an explicit quantum. With a crafted size table qdiscpktlen reaches 2 GiB, so a zero pschedmtu on a...