Skip to main content

Linux Kernel CVE-2026-80599

| EUVDEUVD-2026-67475 HIGH
2026-08-28 Linux GHSA-j72w-p49p-cjqq
Linux Buffer Overflow Red Hat Suse
8.1
CVSS 3.1 · Vendor: Linux
Share

Severity by source

Vendor (Linux) PRIMARY
8.1 HIGH
AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
vuln.today AI
8.1 HIGH

AV:A correct for L2 mesh protocol; PR:N confirmed since sending raw frames requires no auth; C:H for kernel OOB read disclosure, A:H for panic risk.

3.1 AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
4.0 AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:H/SC:N/SI:N/SA:N
SUSE
HIGH
qualitative
Red Hat
5.5 MEDIUM
qualitative

Primary rating from Vendor (Linux).

CVSS VectorVendor: Linux

Attack Vector
Adjacent
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
High

Lifecycle Timeline

5
Analysis Generated
Aug 29, 2026 - 07:26 vuln.today
CVSS changed
Aug 29, 2026 - 07:22 NVD
8.1 (HIGH)
Patch available
Aug 28, 2026 - 09:02 EUVD
CVE Published
Aug 28, 2026 - 06:48 cve.org
UNKNOWN (no severity yet)
CVE Published
Aug 28, 2026 - 06:48 cve.org
HIGH 8.1

DescriptionCVE.org

In the Linux kernel, the following vulnerability has been resolved:

batman-adv: dat: ensure accessible eth_hdr proto field

When batadv_get_vid() accesses the proto field of the ethernet header, it is not checking if the data itself is accessible. The caller is responsible for it. But in contrast to other call sites, batadv_dat_get_vid() and its caller didn't make sure this is true. This could have caused an out-of-bounds access.

AnalysisAI

Out-of-bounds read in the Linux kernel's batman-adv (B.A.T.M.A.N. Advanced) mesh networking subsystem exposes adjacent-network attackers to kernel memory disclosure and system crash. …

Unlock full vulnerability intelligence

  • Risk assessment & exploitation conditions
  • Attack chain visualization
  • Remediation with exact patch versions
  • Threat intelligence from 22 sources
  • Personal watchlist & email alerts
Continue with Google Continue with GitHub

Free forever · No credit card required

Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
technique details hidden
Delivery
technique details hidden
Exploit
technique details hidden
Execution
technique details hidden
Persist
technique details hidden
Impact
technique details hidden
Sign in to reveal

Vulnerability AssessmentAI

Exploitation Exploitation requires: (1) the batman-adv kernel module to be loaded on the target system - this is not loaded by default in standard Linux distributions and must be explicitly configured for mesh networking; (2) the DAT (Distributed ARP Table) feature of batman-adv to be active, which is its default state when the module is loaded; (3) the attacker to be on the same Layer 2 network segment or batman-adv mesh domain as the target, as the CVSS AV:A vector confirms - remote internet-based exploitation is not possible. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 8.1 score with AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H correctly reflects the adjacent-network attack vector and high dual impact (confidentiality and availability), but must be contextualized. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario Full exploit scenario with step-by-step reproduction available after sign-in.
Remediation The primary fix is to upgrade to a patched Linux kernel stable release: 7.2, 7.1.5, 6.18.40, 6.12.97, 6.6.145, 6.1.178, 5.15.212, or 5.10.261, as applicable to your branch. … Detailed patch versions, workarounds, and compensating controls in full report.
Sign in to read full assessment

Recommended ActionAI

Within 24 hours: audit Linux systems for batman-adv kernel module presence (check dmesg and /proc/modules). …

Sign in for detailed remediation steps and compensating controls.

Threat intelligence, references, and detailed analysis are available after sign-in.

Same technique Buffer Overflow

View all
CVE-2017-7269 CRITICAL POC
9.8
CVE-2015-5119 CRITICAL POC
9.8
CVE-2015-3113 CRITICAL POC
9.8
CVE-2011-2462 CRITICAL POC
9.8
CVE-2020-0796 CRITICAL POC
10.0
CVE-2019-11043 CRITICAL POC
9.8
CVE-2009-0927 HIGH POC
8.8
CVE-2012-1889 HIGH POC
8.8

Vendor StatusVendor

SUSE

Severity: Important
Product Status
SUSE Linux Enterprise Desktop 15 SP7 Affected
SUSE Linux Enterprise Desktop 15 SP7 Affected
SUSE Linux Enterprise High Availability Extension 15 SP7 Affected
SUSE Linux Enterprise High Availability Extension 15 SP7 Affected
SUSE Linux Enterprise High Availability Extension 16.0 Affected

Share

CVE-2026-80599 vulnerability details – vuln.today
Back

This site uses cookies essential for authentication and security. No tracking or analytics cookies are used. Privacy Policy