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8.2
HIGH CVSS 3.1
CVE-2026-72035
net/sched: sch_taprio: Replace direct dequeue call with peek and qdisc_dequeue_peeked
Overview
Description

In the Linux kernel, the following vulnerability has been resolved: net/sched: sch_taprio: Replace direct dequeue call with peek and qdisc_dequeue_peeked When taprio's software path peeks a non-work-conserving child qdisc, the child stashes the peeked skb in its gso_skb; taprio_dequeue_from_txq() then takes the packet with a direct child ->dequeue() call, which ignores that stash, orphans the peeked skb and desyncs the child's qlen/backlog. With a qfq child this re-enters the child on an emptied list and dereferences NULL, panicking the kernel from softirq on ordinary egress. Take the packet through qdisc_dequeue_peeked(), as sch_red and sch_sfb now do. The helper returns the child's stashed skb first and is a no-op when there is none, so a work-conserving child is unaffected and the gated path now consumes the skb whose length was charged to the budget.

Details
INFO

Published Date :

Aug. 15, 2026, 6:21 a.m.

Last Modified :

Aug. 17, 2026, 6:18 a.m.

Remotely Exploit :

Yes !

Source :

416baaa9-dc9f-4396-8d5f-8c081fb06d67
Impact
Affected Products

The following products are affected by CVE-2026-72035 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Linux linux_kernel
: Total Affected Vendor : 1 | Products : 1
Scoring
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 HIGH 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Solution
Update the Linux kernel to fix a null dereference and kernel panic issue.
  • Apply the latest Linux kernel patches.
  • Update to a patched Linux kernel version.
  • Recompile the kernel with the provided fix.
  • Restart the system after updating.
References
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2026-72035.

URL Resource
https://git.kernel.org/stable/c/18d580cb00c55805633bae45e90cf22ed6b8e424
https://git.kernel.org/stable/c/2dcebbd1ad2e180fe7b98bf346ced69a872e11e6
https://git.kernel.org/stable/c/6ee5a7665a9080bcb05d703bf981a579436fd05e
https://git.kernel.org/stable/c/e056e1dfcddca877dd46d704e8ec9860cfc9ec44
https://git.kernel.org/stable/c/e2b7ee61989f2d39df6c2cc06f9db1aea69bdb09
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-72035 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-72035 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-72035 vulnerability anywhere in the article.

Results are limited to the first 20 news articles due to potential performance issues.

The following table lists the changes that have been made to the CVE-2026-72035 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by 416baaa9-dc9f-4396-8d5f-8c081fb06d67

    Aug. 17, 2026

    Action Type Old Value New Value
    Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
    Changed Affected [{'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': '5a781ccbd19e4664babcbe4b4ead7aa2b9283d22', 'lessThan': '6ee5a7665a9080bcb05d703bf981a579436fd05e', 'versionType': 'git'}, {'status': 'affected', 'version': '5a781ccbd19e4664babcbe4b4ead7aa2b9283d22', 'lessThan': '18d580cb00c55805633bae45e90cf22ed6b8e424', 'versionType': 'git'}, {'status': 'affected', 'version': '5a781ccbd19e4664babcbe4b4ead7aa2b9283d22', 'lessThan': 'e2b7ee61989f2d39df6c2cc06f9db1aea69bdb09', 'versionType': 'git'}, {'status': 'affected', 'version': '5a781ccbd19e4664babcbe4b4ead7aa2b9283d22', 'lessThan': '2dcebbd1ad2e180fe7b98bf346ced69a872e11e6', 'versionType': 'git'}, {'status': 'affected', 'version': '5a781ccbd19e4664babcbe4b4ead7aa2b9283d22', 'lessThan': 'e056e1dfcddca877dd46d704e8ec9860cfc9ec44', 'versionType': 'git'}], 'programFiles': ['net/sched/sch_taprio.c'], 'defaultStatus': 'unaffected'}, {'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': '4.20'}, {'status': 'unaffected', 'version': '0', 'lessThan': '4.20', 'versionType': 'semver'}, {'status': 'unaffected', 'version': '6.6.145', 'versionType': 'semver', 'lessThanOrEqual': '6.6.*'}, {'status': 'unaffected', 'version': '6.12.97', 'versionType': 'semver', 'lessThanOrEqual': '6.12.*'}, {'status': 'unaffected', 'version': '6.18.40', 'versionType': 'semver', 'lessThanOrEqual': '6.18.*'}, {'status': 'unaffected', 'version': '7.1.5', 'versionType': 'semver', 'lessThanOrEqual': '7.1.*'}, {'status': 'unaffected', 'version': '7.2-rc2', 'versionType': 'original_commit_for_fix', 'lessThanOrEqual': '*'}], 'programFiles': ['net/sched/sch_taprio.c'], 'defaultStatus': 'affected'}] [{'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': '5a781ccbd19e4664babcbe4b4ead7aa2b9283d22', 'lessThan': '6ee5a7665a9080bcb05d703bf981a579436fd05e', 'versionType': 'git'}, {'status': 'affected', 'version': '5a781ccbd19e4664babcbe4b4ead7aa2b9283d22', 'lessThan': '18d580cb00c55805633bae45e90cf22ed6b8e424', 'versionType': 'git'}, {'status': 'affected', 'version': '5a781ccbd19e4664babcbe4b4ead7aa2b9283d22', 'lessThan': 'e2b7ee61989f2d39df6c2cc06f9db1aea69bdb09', 'versionType': 'git'}, {'status': 'affected', 'version': '5a781ccbd19e4664babcbe4b4ead7aa2b9283d22', 'lessThan': '2dcebbd1ad2e180fe7b98bf346ced69a872e11e6', 'versionType': 'git'}, {'status': 'affected', 'version': '5a781ccbd19e4664babcbe4b4ead7aa2b9283d22', 'lessThan': 'e056e1dfcddca877dd46d704e8ec9860cfc9ec44', 'versionType': 'git'}], 'programFiles': ['net/sched/sch_taprio.c'], 'defaultStatus': 'unaffected'}, {'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': '4.20'}, {'status': 'unaffected', 'version': '0', 'lessThan': '4.20', 'versionType': 'semver'}, {'status': 'unaffected', 'version': '6.6.145', 'versionType': 'semver', 'lessThanOrEqual': '6.6.*'}, {'status': 'unaffected', 'version': '6.12.97', 'versionType': 'semver', 'lessThanOrEqual': '6.12.*'}, {'status': 'unaffected', 'version': '6.18.40', 'versionType': 'semver', 'lessThanOrEqual': '6.18.*'}, {'status': 'unaffected', 'version': '7.1.5', 'versionType': 'semver', 'lessThanOrEqual': '7.1.*'}, {'status': 'unaffected', 'version': '7.2', 'versionType': 'original_commit_for_fix', 'lessThanOrEqual': '*'}], 'programFiles': ['net/sched/sch_taprio.c'], 'defaultStatus': 'affected'}]
  • New CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67

    Aug. 15, 2026

    Action Type Old Value New Value
    Added Affected [{'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': '5a781ccbd19e4664babcbe4b4ead7aa2b9283d22', 'lessThan': '6ee5a7665a9080bcb05d703bf981a579436fd05e', 'versionType': 'git'}, {'status': 'affected', 'version': '5a781ccbd19e4664babcbe4b4ead7aa2b9283d22', 'lessThan': '18d580cb00c55805633bae45e90cf22ed6b8e424', 'versionType': 'git'}, {'status': 'affected', 'version': '5a781ccbd19e4664babcbe4b4ead7aa2b9283d22', 'lessThan': 'e2b7ee61989f2d39df6c2cc06f9db1aea69bdb09', 'versionType': 'git'}, {'status': 'affected', 'version': '5a781ccbd19e4664babcbe4b4ead7aa2b9283d22', 'lessThan': '2dcebbd1ad2e180fe7b98bf346ced69a872e11e6', 'versionType': 'git'}, {'status': 'affected', 'version': '5a781ccbd19e4664babcbe4b4ead7aa2b9283d22', 'lessThan': 'e056e1dfcddca877dd46d704e8ec9860cfc9ec44', 'versionType': 'git'}], 'programFiles': ['net/sched/sch_taprio.c'], 'defaultStatus': 'unaffected'}, {'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': '4.20'}, {'status': 'unaffected', 'version': '0', 'lessThan': '4.20', 'versionType': 'semver'}, {'status': 'unaffected', 'version': '6.6.145', 'versionType': 'semver', 'lessThanOrEqual': '6.6.*'}, {'status': 'unaffected', 'version': '6.12.97', 'versionType': 'semver', 'lessThanOrEqual': '6.12.*'}, {'status': 'unaffected', 'version': '6.18.40', 'versionType': 'semver', 'lessThanOrEqual': '6.18.*'}, {'status': 'unaffected', 'version': '7.1.5', 'versionType': 'semver', 'lessThanOrEqual': '7.1.*'}, {'status': 'unaffected', 'version': '7.2-rc2', 'versionType': 'original_commit_for_fix', 'lessThanOrEqual': '*'}], 'programFiles': ['net/sched/sch_taprio.c'], 'defaultStatus': 'affected'}]
    Added Description In the Linux kernel, the following vulnerability has been resolved: net/sched: sch_taprio: Replace direct dequeue call with peek and qdisc_dequeue_peeked When taprio's software path peeks a non-work-conserving child qdisc, the child stashes the peeked skb in its gso_skb; taprio_dequeue_from_txq() then takes the packet with a direct child ->dequeue() call, which ignores that stash, orphans the peeked skb and desyncs the child's qlen/backlog. With a qfq child this re-enters the child on an emptied list and dereferences NULL, panicking the kernel from softirq on ordinary egress. Take the packet through qdisc_dequeue_peeked(), as sch_red and sch_sfb now do. The helper returns the child's stashed skb first and is a no-op when there is none, so a work-conserving child is unaffected and the gated path now consumes the skb whose length was charged to the budget.
    Added Reference https://git.kernel.org/stable/c/18d580cb00c55805633bae45e90cf22ed6b8e424
    Added Reference https://git.kernel.org/stable/c/2dcebbd1ad2e180fe7b98bf346ced69a872e11e6
    Added Reference https://git.kernel.org/stable/c/6ee5a7665a9080bcb05d703bf981a579436fd05e
    Added Reference https://git.kernel.org/stable/c/e056e1dfcddca877dd46d704e8ec9860cfc9ec44
    Added Reference https://git.kernel.org/stable/c/e2b7ee61989f2d39df6c2cc06f9db1aea69bdb09
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CVSS
Vulnerability Scoring Details
Base CVSS Score: 8.2
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact