CVE-2026-72228: batman-adv: frag: fix primary_if leak on failed linearization

Received
AliasesUBUNTU-CVE-2026-72228DEBIAN-CVE-2026-72228
Published 15-08-2026Last modified 17-08-2026

Vulnerability summary

CVE-2026-72228 is a vulnerability in linux with no CVSS score yet. EPSS estimates a 0.22% chance of exploitation in the next 30 days, higher than 12.5% of scored vulnerabilities.

Priority
Insufficient evidence

No CVSS vector published; no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
Not scored
010
No CVSS score recorded
EPSS score
0.22%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 16 · Related 15

Timeline

  1. 15-08-2026
    PublishedVulnerability first disclosed.
  2. 17-08-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: batman-adv: frag: fix primary_if leak on failed linearization If the skb has a frag_list, it must be linearized before it can be split using skb_split(). But when this step failed, it must not only free the skb but also take care of the reference to the already found primary_if.

CVSS metrics

Risk metrics not yet published.

EPSS trend

Probability

0.22%

Chance of exploitation in the next 30 days

Percentile

13%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.22% on 06-10-2026

06-10-202605-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Version check

Known conditions: not stated in public data.

Ubuntu168 products
  • linuxAll versions (No fix recorded) | < 5.15.0-198.208 | < 6.8.0-147.147 | < 7.0.0-38.38
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-awsAll versions (No fix recorded) | < 5.15.0-1117.124 | < 6.8.0-1067.70 | < 7.0.0-1014.14
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Debian1 product
  • linux< 6.1.180-1 | < 6.12.100-1 | < 7.1.5-1
Linux1 product
  • linux≥ a6a73781b460c4fe2cf2c40400ac91dfddb353fa, < e59b1960f71521ce4eb4397c4e82f5285601ab57 | ≥ 8f37aad74f46dd5d8b95fac17804b75f77931fa9, < c1b28432fd6345e0d2308f39c507ed5750c265d2 | ≥ a063f2fba3fa633a599253b62561051ac185fa99, < 4f3bf293f7662500142234ae6f23725953690bc9 | ≥ a063f2fba3fa633a599253b62561051ac185fa99, < d2148aeee93197ccf821114489775132f28eebf5 | ≥ a063f2fba3fa633a599253b62561051ac185fa99, < db3c700826e8126fbdaa83468a9c4ee4ee65319f | ≥ a063f2fba3fa633a599253b62561051ac185fa99, < a90f4fff9025371bce5371daa610af957de8dd6a | ≥ a063f2fba3fa633a599253b62561051ac185fa99, < 777a88256d6f70672116e53400659cc417e1feaa | ≥ a063f2fba3fa633a599253b62561051ac185fa99, < 353d2c1d5492e53ae34f490a84494124dc3d3531 | 5ed837a7e05bcba72bdcd86b12547ea5b796cc01 | 5853618b022b8ed287a278540303e1b283d6f247 | 3915341a935f3397f65a01580dc3bfc4cdf53d14 | bea410635595f8efbec90c948da04c3613ef87ea | ≥ 5.10.117, < 5.10.261 | ≥ 5.15.41, < 5.15.212 | ≥ 4.14.280, < 4.15 | ≥ 4.19.244, < 4.20 | ≥ 5.4.195, < 5.5 | ≥ 5.17.9, < 5.18 | 5.18

3 vendors · 170 products

References

27 links
Show all 27 references