CVE-2026-72235

HIGHPre-NVD 8.88.8
EchelonGraph scoreHIGH confidence

Score 8.8 from GitHub Security Advisory (severity: HIGH) published 2026-08-15. a secondary CVSS source baseline 8.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 5 sources updated this week
8.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 8.8Exploit: None knownExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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

batman-adv: retrieve ethhdr after potential skb realloc on RX

pskb_may_pull() in batadv_interface_rx() could reallocate the buffer behind the skb. Variables which were pointing to the old buffer need to be reassigned to avoid an use-after-free.

This was done correctly for the VLAN header but missed for the ethernet header which is later used for the TT and AP isolation handling.

CVSS v3
8.8
EG Score
8.8(high)
EG Risk
44(Track)
EG Risk 44/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity88% × 45%
Exploitation0% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
27%
KEV
Not listed

Published

August 15, 2026

Last Modified

August 17, 2026

Advisory Details (8)

Auto-updated Aug 17, 2026
No patch confirmed yet.
generic

batman-adv: retrieve ethhdr after potential skb realloc on RX - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/f19259395b44af67f3c274e34237c295b526b859
generic

batman-adv: retrieve ethhdr after potential skb realloc on RX - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/b031fc97e1993d29d6c3a0e86a99140528cf31e8
generic

batman-adv: retrieve ethhdr after potential skb realloc on RX - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/a1820344b180cb55af748f102bc536b5c93164db
generic

batman-adv: retrieve ethhdr after potential skb realloc on RX - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/85a71a81854e0e191ad0e533eabb4eff54866feb
generic

batman-adv: retrieve ethhdr after potential skb realloc on RX - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/6e189f14d1ea28db212b9d70a02131a7ce518012
generic

batman-adv: retrieve ethhdr after potential skb realloc on RX - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/6abf73589bed3f27ee240c08108feb72bed0b9c6
generic

batman-adv: retrieve ethhdr after potential skb realloc on RX - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/2cefa5141cab8ec1e4b24cf585958b13f2e3049d
generic

batman-adv: retrieve ethhdr after potential skb realloc on RX - kernel/git/stable/linux.git - Linux kernel stable tree

https://git.kernel.org/stable/c/035e1fed892d3d06002a73ff73668f618a514644

Vendor Advisories for CVE-2026-72235(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Data Freshness Timeline

(refreshed 28× in last 7d / 28× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-08-20 13:06 UTCGHSA enrichment
  2. 2026-08-19 23:59 UTCEG score recompute
  3. 2026-08-19 23:59 UTCGHSA enrichment
  4. 2026-08-19 17:04 UTCEPSS rescore
  5. 2026-08-19 10:51 UTCGHSA enrichment
  6. 2026-08-18 21:44 UTCEG score recompute
  7. 2026-08-18 21:44 UTCGHSA enrichment
  8. 2026-08-18 13:49 UTCEPSS rescore
  9. 2026-08-18 13:49 UTCEPSS rescore
  10. 2026-08-18 08:37 UTCGHSA enrichment
  11. 2026-08-17 19:29 UTCEG score recompute
  12. 2026-08-17 19:29 UTCGHSA enrichment
  13. 2026-08-17 13:47 UTCEPSS rescore
  14. 2026-08-17 06:20 UTCEG score recompute
  15. 2026-08-17 06:20 UTCGHSA enrichment
  16. 2026-08-17 05:59 UTCEG score recompute 8.80
  17. 2026-08-17 05:59 UTCGHSA enrichment
  18. 2026-08-17 05:54 UTCMITRE cvelistV5CVSS v3 → 8.8 · severity → HIGH
  19. 2026-08-17 05:31 UTCEG score recompute
  20. 2026-08-17 05:31 UTCGHSA enrichment
  21. 2026-08-17 05:25 UTCMITRE cvelistV5
  22. 2026-08-16 14:56 UTCEPSS rescore
  23. 2026-08-16 14:56 UTCEPSS rescore
  24. 2026-08-16 02:15 UTCEPSS rescore
  25. 2026-08-15 06:39 UTCGHSA enrichment
Show 3 more
  1. 2026-08-15 06:23 UTCNVD update
  2. 2026-08-15 06:09 UTCEG score recompute
  3. 2026-08-15 06:02 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-72235?
CVE-2026-72235 is a high vulnerability published on August 15, 2026. In the Linux kernel, the following vulnerability has been resolved: batman-adv: retrieve ethhdr after potential skb realloc on RX pskbmaypull() in batadvinterfacerx() could reallocate the buffer behind the skb. Variables which were pointing to the old buffer need to be reassigned to avoid an…
When was CVE-2026-72235 disclosed?
CVE-2026-72235 was first published in the National Vulnerability Database on August 15, 2026, with the most recent update on August 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-72235 actively exploited?
CVE-2026-72235 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 72.9% of all scored CVEs.
What is the CVSS score of CVE-2026-72235?
CVE-2026-72235 has a CVSS v3 base score of 8.8 (NVD).
How do I remediate CVE-2026-72235?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-72235, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

Explore the affected products and dependency analysis for CVE-2026-72235

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